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  <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
    <link:label id="lab_bcs_MotorFinanceCommissionArrangementsMember_019edf59-c18f-7c5c-a796-4eeb887006d1_terseLabel_en-US" xlink:label="lab_bcs_MotorFinanceCommissionArrangementsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Motor finance commission arrangements</link:label>
    <link:label id="lab_bcs_MotorFinanceCommissionArrangementsMember_label_en-US" xlink:label="lab_bcs_MotorFinanceCommissionArrangementsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Motor Finance Commission Arrangements [Member]</link:label>
    <link:label id="lab_bcs_MotorFinanceCommissionArrangementsMember_documentation_en-US" xlink:label="lab_bcs_MotorFinanceCommissionArrangementsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Motor Finance Commission Arrangements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_MotorFinanceCommissionArrangementsMember" xlink:href="bcs-20260630.xsd#bcs_MotorFinanceCommissionArrangementsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_MotorFinanceCommissionArrangementsMember" xlink:to="lab_bcs_MotorFinanceCommissionArrangementsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract_019edf59-c225-739a-93c3-f1d689b4b5b7_terseLabel_en-US" xlink:label="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive (loss)/income that may be recycled to profit or loss:</link:label>
    <link:label id="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract_label_en-US" xlink:label="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:to="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValue_019ef44a-2d22-7cd7-9b91-7055e7883090_totalLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValue" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total assets</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValue_019edf59-c18f-7069-bf26-320fc0b497d1_periodStartLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValue" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning balance, financial assets</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValue_019edf59-c18f-7f72-94de-2355a03f54d0_periodEndLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValue" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending balance, financial assets</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValue_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets, at fair value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtFairValue" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtFairValue" xlink:to="lab_ifrs-full_FinancialAssetsAtFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DerivativesMember_019edf59-c225-74c9-9e85-4c25ce914e09_verboseLabel_en-US" xlink:label="lab_ifrs-full_DerivativesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Derivatives</link:label>
    <link:label id="lab_ifrs-full_DerivativesMember_label_en-US" xlink:label="lab_ifrs-full_DerivativesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivatives [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DerivativesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DerivativesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DerivativesMember" xlink:to="lab_ifrs-full_DerivativesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfContingentLiabilitiesLineItems_019edf59-c225-791d-8318-5e7884db2b36_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of contingent liabilities [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfContingentLiabilitiesLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of contingent liabilities [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfContingentLiabilitiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="lab_ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestExpense_019edf59-c190-7ffc-bdfd-b19b5cff5fad_negatedLabel_en-US" xlink:label="lab_ifrs-full_InterestExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Interest and similar expense</link:label>
    <link:label id="lab_ifrs-full_InterestExpense_label_en-US" xlink:label="lab_ifrs-full_InterestExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestExpense" xlink:to="lab_ifrs-full_InterestExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_RangeMember_019edf59-c18f-7f6a-9ab0-5fe2d4c4e0c2_terseLabel_en-US" xlink:label="lab_srt_RangeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statistical Measurement [Domain]</link:label>
    <link:label id="lab_srt_RangeMember_label_en-US" xlink:label="lab_srt_RangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statistical Measurement [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_RangeMember" xlink:to="lab_srt_RangeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ChangesInPropertyPlantAndEquipment_019edf59-c18f-7f96-9f1d-51c3f41ec9c0_terseLabel_en-US" xlink:label="lab_ifrs-full_ChangesInPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property and equipment</link:label>
    <link:label id="lab_ifrs-full_ChangesInPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_ChangesInPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ChangesInPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ChangesInPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ChangesInPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_ChangesInPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_ExcessOfExpectedLossesOverImpairment_019edf59-c18f-7c78-b0f8-ac4324a6c0d9_negatedTerseLabel_en-US" xlink:label="lab_bcs_ExcessOfExpectedLossesOverImpairment" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Excess of expected losses over impairment</link:label>
    <link:label id="lab_bcs_ExcessOfExpectedLossesOverImpairment_label_en-US" xlink:label="lab_bcs_ExcessOfExpectedLossesOverImpairment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Excess Of Expected Losses Over Impairment</link:label>
    <link:label id="lab_bcs_ExcessOfExpectedLossesOverImpairment_documentation_en-US" xlink:label="lab_bcs_ExcessOfExpectedLossesOverImpairment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Excess Of Expected Losses Over Impairment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_ExcessOfExpectedLossesOverImpairment" xlink:href="bcs-20260630.xsd#bcs_ExcessOfExpectedLossesOverImpairment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_ExcessOfExpectedLossesOverImpairment" xlink:to="lab_bcs_ExcessOfExpectedLossesOverImpairment" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_CommitmentsAndContingentLiabilitiesAxis_019f8905-9475-76a6-a221-a7f778d8bd37_terseLabel_en-US" xlink:label="lab_bcs_CommitmentsAndContingentLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitments and Contingent Liabilities [Axis]</link:label>
    <link:label id="lab_bcs_CommitmentsAndContingentLiabilitiesAxis_label_en-US" xlink:label="lab_bcs_CommitmentsAndContingentLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments and Contingent Liabilities [Axis]</link:label>
    <link:label id="lab_bcs_CommitmentsAndContingentLiabilitiesAxis_documentation_en-US" xlink:label="lab_bcs_CommitmentsAndContingentLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commitments and Contingent Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_CommitmentsAndContingentLiabilitiesAxis" xlink:href="bcs-20260630.xsd#bcs_CommitmentsAndContingentLiabilitiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_CommitmentsAndContingentLiabilitiesAxis" xlink:to="lab_bcs_CommitmentsAndContingentLiabilitiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WagesAndSalaries_019edf59-c225-7e01-b127-a0a0130c8e54_terseLabel_en-US" xlink:label="lab_ifrs-full_WagesAndSalaries" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Salaries</link:label>
    <link:label id="lab_ifrs-full_WagesAndSalaries_label_en-US" xlink:label="lab_ifrs-full_WagesAndSalaries" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Wages and salaries</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WagesAndSalaries" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WagesAndSalaries"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WagesAndSalaries" xlink:to="lab_ifrs-full_WagesAndSalaries" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember_019ef4f7-a440-71f3-9c02-f1402c18c44e_verboseLabel_en-US" xlink:label="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Currency translation reserve</link:label>
    <link:label id="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember_label_en-US" xlink:label="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reserve of exchange differences on translation [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:to="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DividendsPaidOrdinaryShares_019edf59-c225-74f0-9a25-1dc4293cc291_terseLabel_en-US" xlink:label="lab_ifrs-full_DividendsPaidOrdinaryShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividends paid, ordinary shares</link:label>
    <link:label id="lab_ifrs-full_DividendsPaidOrdinaryShares_label_en-US" xlink:label="lab_ifrs-full_DividendsPaidOrdinaryShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends paid, ordinary shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DividendsPaidOrdinaryShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DividendsPaidOrdinaryShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DividendsPaidOrdinaryShares" xlink:to="lab_ifrs-full_DividendsPaidOrdinaryShares" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_QualifyingCapitalIncludingMinorityInterestsIssuedBySubsidiaries_019edf59-c225-7681-8df5-1fe99be17063_terseLabel_en-US" xlink:label="lab_bcs_QualifyingCapitalIncludingMinorityInterestsIssuedBySubsidiaries" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Qualifying T2 capital (including minority interests) issued by subsidiaries</link:label>
    <link:label id="lab_bcs_QualifyingCapitalIncludingMinorityInterestsIssuedBySubsidiaries_label_en-US" xlink:label="lab_bcs_QualifyingCapitalIncludingMinorityInterestsIssuedBySubsidiaries" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Qualifying Capital (Including Minority Interests) Issued By Subsidiaries</link:label>
    <link:label id="lab_bcs_QualifyingCapitalIncludingMinorityInterestsIssuedBySubsidiaries_documentation_en-US" xlink:label="lab_bcs_QualifyingCapitalIncludingMinorityInterestsIssuedBySubsidiaries" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of qualifying capital issued by subsidiaries, including minority interests.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_QualifyingCapitalIncludingMinorityInterestsIssuedBySubsidiaries" xlink:href="bcs-20260630.xsd#bcs_QualifyingCapitalIncludingMinorityInterestsIssuedBySubsidiaries"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_QualifyingCapitalIncludingMinorityInterestsIssuedBySubsidiaries" xlink:to="lab_bcs_QualifyingCapitalIncludingMinorityInterestsIssuedBySubsidiaries" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ChangesInOtherProvisions_019edf59-c225-7663-b70b-3df1739e87a4_terseLabel_en-US" xlink:label="lab_ifrs-full_ChangesInOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase in provision</link:label>
    <link:label id="lab_ifrs-full_ChangesInOtherProvisions_label_en-US" xlink:label="lab_ifrs-full_ChangesInOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in other provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ChangesInOtherProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ChangesInOtherProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ChangesInOtherProvisions" xlink:to="lab_ifrs-full_ChangesInOtherProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LevelsOfFairValueHierarchyDomain_019edf59-c18f-7106-b4df-0e97e636e382_terseLabel_en-US" xlink:label="lab_ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Levels of fair value hierarchy [domain]</link:label>
    <link:label id="lab_ifrs-full_LevelsOfFairValueHierarchyDomain_label_en-US" xlink:label="lab_ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Levels of fair value hierarchy [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:to="lab_ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsAtAmortisedCostMember_019edf59-c225-7d90-b5ad-70518f463165_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtAmortisedCostMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets at amortised cost</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtAmortisedCostMember_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtAmortisedCostMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets at amortised cost, class [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtAmortisedCostMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtAmortisedCostMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtAmortisedCostMember" xlink:to="lab_ifrs-full_FinancialAssetsAtAmortisedCostMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_ProfitLossFromOperatingActivitiesBeforeImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_019edf59-c0d6-7e14-87d3-4cff9dc827d3_totalLabel_en-US" xlink:label="lab_bcs_ProfitLossFromOperatingActivitiesBeforeImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Profit before impairment</link:label>
    <link:label id="lab_bcs_ProfitLossFromOperatingActivitiesBeforeImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_label_en-US" xlink:label="lab_bcs_ProfitLossFromOperatingActivitiesBeforeImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (Loss) From Operating Activities Before Impairment Loss (Reversal Of Impairment Loss) Recognised In Profit Or Loss</link:label>
    <link:label id="lab_bcs_ProfitLossFromOperatingActivitiesBeforeImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_documentation_en-US" xlink:label="lab_bcs_ProfitLossFromOperatingActivitiesBeforeImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The profit (loss) from operating activities of the entity, before impairment loss (reversal of impairment loss) recognised in profit or loss.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_ProfitLossFromOperatingActivitiesBeforeImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:href="bcs-20260630.xsd#bcs_ProfitLossFromOperatingActivitiesBeforeImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_ProfitLossFromOperatingActivitiesBeforeImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:to="lab_bcs_ProfitLossFromOperatingActivitiesBeforeImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OperatingExpense_019edf59-c225-7ce0-b623-cf5ae956dd70_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_OperatingExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Operating expenses</link:label>
    <link:label id="lab_ifrs-full_OperatingExpense_label_en-US" xlink:label="lab_ifrs-full_OperatingExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OperatingExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OperatingExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OperatingExpense" xlink:to="lab_ifrs-full_OperatingExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AssetsAndLiabilitiesDomain_019edf59-c225-738f-af48-a06af417bac9_terseLabel_en-US" xlink:label="lab_ifrs-full_AssetsAndLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets and liabilities [domain]</link:label>
    <link:label id="lab_ifrs-full_AssetsAndLiabilitiesDomain_label_en-US" xlink:label="lab_ifrs-full_AssetsAndLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets and liabilities [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AssetsAndLiabilitiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AssetsAndLiabilitiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AssetsAndLiabilitiesDomain" xlink:to="lab_ifrs-full_AssetsAndLiabilitiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_CGUExcludingBusinessBankingMember_019edf59-c18f-742c-969f-ec15b6735566_terseLabel_en-US" xlink:label="lab_bcs_CGUExcludingBusinessBankingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CGU excluding Business Banking</link:label>
    <link:label id="lab_bcs_CGUExcludingBusinessBankingMember_label_en-US" xlink:label="lab_bcs_CGUExcludingBusinessBankingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">CGU Excluding Business Banking [Member]</link:label>
    <link:label id="lab_bcs_CGUExcludingBusinessBankingMember_documentation_en-US" xlink:label="lab_bcs_CGUExcludingBusinessBankingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">CGU Excluding Business Banking</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_CGUExcludingBusinessBankingMember" xlink:href="bcs-20260630.xsd#bcs_CGUExcludingBusinessBankingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_CGUExcludingBusinessBankingMember" xlink:to="lab_bcs_CGUExcludingBusinessBankingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_NumberOfShareBuybacks_019edf59-c225-76b5-ad2a-8ef95da0e17b_terseLabel_en-US" xlink:label="lab_bcs_NumberOfShareBuybacks" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of share buybacks</link:label>
    <link:label id="lab_bcs_NumberOfShareBuybacks_label_en-US" xlink:label="lab_bcs_NumberOfShareBuybacks" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Share Buybacks</link:label>
    <link:label id="lab_bcs_NumberOfShareBuybacks_documentation_en-US" xlink:label="lab_bcs_NumberOfShareBuybacks" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Share Buybacks</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_NumberOfShareBuybacks" xlink:href="bcs-20260630.xsd#bcs_NumberOfShareBuybacks"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_NumberOfShareBuybacks" xlink:to="lab_bcs_NumberOfShareBuybacks" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfShareCapitalAxis_019edf59-c225-7c76-a20d-b1ac25931a13_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of share capital [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfShareCapitalAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of share capital [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfShareCapitalAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfShareCapitalAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfShareCapitalAxis" xlink:to="lab_ifrs-full_ClassesOfShareCapitalAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EliminationOfIntersegmentAmountsMember_019edf59-c225-7cb1-902c-8a0588809112_terseLabel_en-US" xlink:label="lab_ifrs-full_EliminationOfIntersegmentAmountsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Of which inter-segmental income/(expense)</link:label>
    <link:label id="lab_ifrs-full_EliminationOfIntersegmentAmountsMember_label_en-US" xlink:label="lab_ifrs-full_EliminationOfIntersegmentAmountsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Elimination of intersegment amounts [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EliminationOfIntersegmentAmountsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EliminationOfIntersegmentAmountsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EliminationOfIntersegmentAmountsMember" xlink:to="lab_ifrs-full_EliminationOfIntersegmentAmountsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_NumberOfSharesComprisingOneAmericanDepositoryShare_019edf59-c0d6-77d9-80c6-a7eb5d862f00_terseLabel_en-US" xlink:label="lab_bcs_NumberOfSharesComprisingOneAmericanDepositoryShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of shares comprising, one american depository share (in shares)</link:label>
    <link:label id="lab_bcs_NumberOfSharesComprisingOneAmericanDepositoryShare_label_en-US" xlink:label="lab_bcs_NumberOfSharesComprisingOneAmericanDepositoryShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Shares Comprising One American Depository Share</link:label>
    <link:label id="lab_bcs_NumberOfSharesComprisingOneAmericanDepositoryShare_documentation_en-US" xlink:label="lab_bcs_NumberOfSharesComprisingOneAmericanDepositoryShare" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Shares Comprising One American Depository Share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_NumberOfSharesComprisingOneAmericanDepositoryShare" xlink:href="bcs-20260630.xsd#bcs_NumberOfSharesComprisingOneAmericanDepositoryShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_NumberOfSharesComprisingOneAmericanDepositoryShare" xlink:to="lab_bcs_NumberOfSharesComprisingOneAmericanDepositoryShare" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DerivativeFinancialAssetsHeldForTrading_019edf59-c18f-7491-917a-c1e9c5a9a764_terseLabel_en-US" xlink:label="lab_ifrs-full_DerivativeFinancialAssetsHeldForTrading" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative financial assets held for trading</link:label>
    <link:label id="lab_ifrs-full_DerivativeFinancialAssetsHeldForTrading_label_en-US" xlink:label="lab_ifrs-full_DerivativeFinancialAssetsHeldForTrading" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative financial assets held for trading</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DerivativeFinancialAssetsHeldForTrading" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DerivativeFinancialAssetsHeldForTrading"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DerivativeFinancialAssetsHeldForTrading" xlink:to="lab_ifrs-full_DerivativeFinancialAssetsHeldForTrading" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_TransfersIntoLevel3OfFairValueHierarchyAssetsLiabilitiesNet_019edf59-c190-715c-bcb0-0269df9a2d79_terseLabel_en-US" xlink:label="lab_bcs_TransfersIntoLevel3OfFairValueHierarchyAssetsLiabilitiesNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers into Level 3 of fair value hierarchy, assets (liabilities) net</link:label>
    <link:label id="lab_bcs_TransfersIntoLevel3OfFairValueHierarchyAssetsLiabilitiesNet_label_en-US" xlink:label="lab_bcs_TransfersIntoLevel3OfFairValueHierarchyAssetsLiabilitiesNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transfers Into Level 3 Of Fair Value Hierarchy, Assets (Liabilities), Net</link:label>
    <link:label id="lab_bcs_TransfersIntoLevel3OfFairValueHierarchyAssetsLiabilitiesNet_documentation_en-US" xlink:label="lab_bcs_TransfersIntoLevel3OfFairValueHierarchyAssetsLiabilitiesNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of transfers of assets less liabilities into Level 3 of the fair value hierarchy. [Refer: Level 3 of fair value hierarchy [member]]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_TransfersIntoLevel3OfFairValueHierarchyAssetsLiabilitiesNet" xlink:href="bcs-20260630.xsd#bcs_TransfersIntoLevel3OfFairValueHierarchyAssetsLiabilitiesNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_TransfersIntoLevel3OfFairValueHierarchyAssetsLiabilitiesNet" xlink:to="lab_bcs_TransfersIntoLevel3OfFairValueHierarchyAssetsLiabilitiesNet" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember_019edf59-c18f-7096-aeb1-d8d421b7be84_verboseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">2028</link:label>
    <link:label id="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than two years and not later than three years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:to="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_OriginatedAndSoldToThirdPartiesByAcquiredSubsidiaryMember_019edf59-c18f-7c6a-9631-a2edadca18f4_terseLabel_en-US" xlink:label="lab_bcs_OriginatedAndSoldToThirdPartiesByAcquiredSubsidiaryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Originated and sold to third parties by acquired subsidiary</link:label>
    <link:label id="lab_bcs_OriginatedAndSoldToThirdPartiesByAcquiredSubsidiaryMember_label_en-US" xlink:label="lab_bcs_OriginatedAndSoldToThirdPartiesByAcquiredSubsidiaryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Originated And Sold To Third Parties By Acquired Subsidiary [Member]</link:label>
    <link:label id="lab_bcs_OriginatedAndSoldToThirdPartiesByAcquiredSubsidiaryMember_documentation_en-US" xlink:label="lab_bcs_OriginatedAndSoldToThirdPartiesByAcquiredSubsidiaryMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for sales of loans originated and sold to third parties by mortgage originator affiliates of an entity that the Group acquired in 2007 (Acquired Subsidiary).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_OriginatedAndSoldToThirdPartiesByAcquiredSubsidiaryMember" xlink:href="bcs-20260630.xsd#bcs_OriginatedAndSoldToThirdPartiesByAcquiredSubsidiaryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_OriginatedAndSoldToThirdPartiesByAcquiredSubsidiaryMember" xlink:to="lab_bcs_OriginatedAndSoldToThirdPartiesByAcquiredSubsidiaryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Equity_019edf59-c190-7b72-a4d9-b1a5072192ad_totalLabel_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total equity</link:label>
    <link:label id="lab_ifrs-full_Equity_019edf59-c190-7bf7-8a5a-26334cbcd9fb_periodStartLabel_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning Balance, equity</link:label>
    <link:label id="lab_ifrs-full_Equity_019edf59-c190-7975-a1d8-95b3266d8607_periodEndLabel_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending Balance, equity</link:label>
    <link:label id="lab_ifrs-full_Equity_019edf59-c190-7c74-b050-d6b3706bd03c_verboseLabel_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Equity</link:label>
    <link:label id="lab_ifrs-full_Equity_label_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Equity" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Equity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Equity" xlink:to="lab_ifrs-full_Equity" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DerivativeFinancialLiabilitiesHeldForTrading_019edf59-c18f-7377-9050-8eacb5638575_negatedLabel_en-US" xlink:label="lab_ifrs-full_DerivativeFinancialLiabilitiesHeldForTrading" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Derivative financial liabilities held for trading</link:label>
    <link:label id="lab_ifrs-full_DerivativeFinancialLiabilitiesHeldForTrading_label_en-US" xlink:label="lab_ifrs-full_DerivativeFinancialLiabilitiesHeldForTrading" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative financial liabilities held for trading</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DerivativeFinancialLiabilitiesHeldForTrading" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DerivativeFinancialLiabilitiesHeldForTrading"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DerivativeFinancialLiabilitiesHeldForTrading" xlink:to="lab_ifrs-full_DerivativeFinancialLiabilitiesHeldForTrading" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GrossFinancialAssetsSetOffAgainstFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements_019edf59-c18f-7394-ae87-2acfe48460cb_terseLabel_en-US" xlink:label="lab_ifrs-full_GrossFinancialAssetsSetOffAgainstFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gross financial assets set off against financial liabilities subject to offsetting, enforceable master netting arrangements or similar agreements</link:label>
    <link:label id="lab_ifrs-full_GrossFinancialAssetsSetOffAgainstFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements_label_en-US" xlink:label="lab_ifrs-full_GrossFinancialAssetsSetOffAgainstFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gross financial assets set off against financial liabilities subject to offsetting, enforceable master netting arrangements or similar agreements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GrossFinancialAssetsSetOffAgainstFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GrossFinancialAssetsSetOffAgainstFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GrossFinancialAssetsSetOffAgainstFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:to="lab_ifrs-full_GrossFinancialAssetsSetOffAgainstFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DecreaseThroughDisposalExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts_019edf59-c225-7d51-ab80-a4e2375f4884_negatedLabel_en-US" xlink:label="lab_bcs_DecreaseThroughDisposalExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Disposals</link:label>
    <link:label id="lab_bcs_DecreaseThroughDisposalExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts_label_en-US" xlink:label="lab_bcs_DecreaseThroughDisposalExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease Through Disposal, Exposure To Credit Risk On Loan Commitments And Financial Guarantee Contracts</link:label>
    <link:label id="lab_bcs_DecreaseThroughDisposalExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts_documentation_en-US" xlink:label="lab_bcs_DecreaseThroughDisposalExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Decrease Through Disposal, Exposure To Credit Risk On Loan Commitments And Financial Guarantee Contracts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DecreaseThroughDisposalExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:href="bcs-20260630.xsd#bcs_DecreaseThroughDisposalExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_DecreaseThroughDisposalExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:to="lab_bcs_DecreaseThroughDisposalExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherEquityInterest_019edf59-c190-7634-a244-1d95633e7007_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherEquityInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other equity instruments</link:label>
    <link:label id="lab_ifrs-full_OtherEquityInterest_019edf59-c190-796f-840a-b475771f67df_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_OtherEquityInterest" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Less: other equity instruments (recognised as AT1 capital)</link:label>
    <link:label id="lab_ifrs-full_OtherEquityInterest_label_en-US" xlink:label="lab_ifrs-full_OtherEquityInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other equity interest</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherEquityInterest" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherEquityInterest"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherEquityInterest" xlink:to="lab_ifrs-full_OtherEquityInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SalesFairValueMeasurementAssets_019edf59-c18f-7789-bb11-1d6413a8f168_negatedLabel_en-US" xlink:label="lab_ifrs-full_SalesFairValueMeasurementAssets" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Sales, fair value measurement, assets</link:label>
    <link:label id="lab_ifrs-full_SalesFairValueMeasurementAssets_label_en-US" xlink:label="lab_ifrs-full_SalesFairValueMeasurementAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sales, fair value measurement, assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SalesFairValueMeasurementAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SalesFairValueMeasurementAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SalesFairValueMeasurementAssets" xlink:to="lab_ifrs-full_SalesFairValueMeasurementAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_TotalCommitmentsAndContingentLiabilitiesMember_019f8906-df04-7048-8faa-e756ac382275_terseLabel_en-US" xlink:label="lab_bcs_TotalCommitmentsAndContingentLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total commitments and contingent liabilities</link:label>
    <link:label id="lab_bcs_TotalCommitmentsAndContingentLiabilitiesMember_label_en-US" xlink:label="lab_bcs_TotalCommitmentsAndContingentLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Commitments and Contingent Liabilities [Member]</link:label>
    <link:label id="lab_bcs_TotalCommitmentsAndContingentLiabilitiesMember_documentation_en-US" xlink:label="lab_bcs_TotalCommitmentsAndContingentLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total Commitments and Contingent Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_TotalCommitmentsAndContingentLiabilitiesMember" xlink:href="bcs-20260630.xsd#bcs_TotalCommitmentsAndContingentLiabilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_TotalCommitmentsAndContingentLiabilitiesMember" xlink:to="lab_bcs_TotalCommitmentsAndContingentLiabilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_IssuesFairValueMeasurementAssetsLiabilitiesNet_019edf59-c190-7e6e-9aaf-d60e7ac3f909_terseLabel_en-US" xlink:label="lab_bcs_IssuesFairValueMeasurementAssetsLiabilitiesNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issues, fair value measurement, assets (liabilities) net</link:label>
    <link:label id="lab_bcs_IssuesFairValueMeasurementAssetsLiabilitiesNet_label_en-US" xlink:label="lab_bcs_IssuesFairValueMeasurementAssetsLiabilitiesNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issues, Fair Value Measurement, Assets (Liabilities), Net</link:label>
    <link:label id="lab_bcs_IssuesFairValueMeasurementAssetsLiabilitiesNet_documentation_en-US" xlink:label="lab_bcs_IssuesFairValueMeasurementAssetsLiabilitiesNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase in fair value measurement of assets and liabilities resulting from issues of those assets and liabilities. [Refer: At fair value [member]]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_IssuesFairValueMeasurementAssetsLiabilitiesNet" xlink:href="bcs-20260630.xsd#bcs_IssuesFairValueMeasurementAssetsLiabilitiesNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_IssuesFairValueMeasurementAssetsLiabilitiesNet" xlink:to="lab_bcs_IssuesFairValueMeasurementAssetsLiabilitiesNet" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_ReverseRepurchaseAgreementsMember_019edf59-c18f-7f4a-af17-82a4bb6945a1_terseLabel_en-US" xlink:label="lab_bcs_ReverseRepurchaseAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reverse repurchase agreements</link:label>
    <link:label id="lab_bcs_ReverseRepurchaseAgreementsMember_label_en-US" xlink:label="lab_bcs_ReverseRepurchaseAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reverse Repurchase Agreements [Member]</link:label>
    <link:label id="lab_bcs_ReverseRepurchaseAgreementsMember_documentation_en-US" xlink:label="lab_bcs_ReverseRepurchaseAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Reverse Repurchase Agreements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_ReverseRepurchaseAgreementsMember" xlink:href="bcs-20260630.xsd#bcs_ReverseRepurchaseAgreementsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_ReverseRepurchaseAgreementsMember" xlink:to="lab_bcs_ReverseRepurchaseAgreementsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable_019edf59-c190-7393-94d7-32e0cd08a230_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about borrowings [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about borrowings [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_PurchasesFairValueMeasurementAssetsLiabilitiesNet_019edf59-c18f-7d22-a637-48acbb78d0c8_terseLabel_en-US" xlink:label="lab_bcs_PurchasesFairValueMeasurementAssetsLiabilitiesNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchases, fair value measurement, assets (liabilities) net</link:label>
    <link:label id="lab_bcs_PurchasesFairValueMeasurementAssetsLiabilitiesNet_label_en-US" xlink:label="lab_bcs_PurchasesFairValueMeasurementAssetsLiabilitiesNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchases, Fair Value Measurement, Assets (Liabilities), Net</link:label>
    <link:label id="lab_bcs_PurchasesFairValueMeasurementAssetsLiabilitiesNet_documentation_en-US" xlink:label="lab_bcs_PurchasesFairValueMeasurementAssetsLiabilitiesNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase in the fair value measurement of assets and liabilities resulting from purchases of those assets and liabilities. [Refer: At fair value [member]]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_PurchasesFairValueMeasurementAssetsLiabilitiesNet" xlink:href="bcs-20260630.xsd#bcs_PurchasesFairValueMeasurementAssetsLiabilitiesNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_PurchasesFairValueMeasurementAssetsLiabilitiesNet" xlink:to="lab_bcs_PurchasesFairValueMeasurementAssetsLiabilitiesNet" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember_019edf59-c18f-72cc-8a91-d261ab1bdd8c_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets at fair value through profit or loss, designated upon initial recognition or subsequently</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets at fair value through profit or loss, designated upon initial recognition or subsequently, category [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember" xlink:to="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_FinancialAssetsAtFairValueThroughProfitOrLossCategoryTradingMember_019edf59-c0d6-74a6-85ae-9479ff01e730_terseLabel_en-US" xlink:label="lab_bcs_FinancialAssetsAtFairValueThroughProfitOrLossCategoryTradingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets at fair value through profit or loss, category trading</link:label>
    <link:label id="lab_bcs_FinancialAssetsAtFairValueThroughProfitOrLossCategoryTradingMember_label_en-US" xlink:label="lab_bcs_FinancialAssetsAtFairValueThroughProfitOrLossCategoryTradingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Assets At Fair Value Through Profit Or Loss, Category Trading [Member]</link:label>
    <link:label id="lab_bcs_FinancialAssetsAtFairValueThroughProfitOrLossCategoryTradingMember_documentation_en-US" xlink:label="lab_bcs_FinancialAssetsAtFairValueThroughProfitOrLossCategoryTradingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the financial assets at fair value through profit or loss category, located in trading income. [Refer: Financial liabilities at fair value through profit or loss]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_FinancialAssetsAtFairValueThroughProfitOrLossCategoryTradingMember" xlink:href="bcs-20260630.xsd#bcs_FinancialAssetsAtFairValueThroughProfitOrLossCategoryTradingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_FinancialAssetsAtFairValueThroughProfitOrLossCategoryTradingMember" xlink:to="lab_bcs_FinancialAssetsAtFairValueThroughProfitOrLossCategoryTradingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_NumberOfSeparateLawsuits_019edf59-c18f-7323-96d5-0e69c4ee5d4e_terseLabel_en-US" xlink:label="lab_bcs_NumberOfSeparateLawsuits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of separate lawsuits</link:label>
    <link:label id="lab_bcs_NumberOfSeparateLawsuits_label_en-US" xlink:label="lab_bcs_NumberOfSeparateLawsuits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Separate Lawsuits</link:label>
    <link:label id="lab_bcs_NumberOfSeparateLawsuits_documentation_en-US" xlink:label="lab_bcs_NumberOfSeparateLawsuits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Separate Lawsuits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_NumberOfSeparateLawsuits" xlink:href="bcs-20260630.xsd#bcs_NumberOfSeparateLawsuits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_NumberOfSeparateLawsuits" xlink:to="lab_bcs_NumberOfSeparateLawsuits" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwill_019edf59-c225-7c9b-9092-b2b7054c84d4_terseLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill and intangible assets</link:label>
    <link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwill_019edf59-c225-7b17-bdd4-23e40c504639_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Goodwill and intangible assets</link:label>
    <link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwill_label_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intangible assets and goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsAndGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IntangibleAssetsAndGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsAndGoodwill" xlink:to="lab_ifrs-full_IntangibleAssetsAndGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract_019edf59-c225-7d5c-950e-50f87f60e348_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of comprehensive income [abstract]</link:label>
    <link:label id="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract_label_en-US" xlink:label="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of comprehensive income [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfComprehensiveIncomeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:to="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityLineItems_019edf59-c18f-7fdf-93fb-ea2cf238f78a_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [line items]</link:label>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityLineItems_label_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfChangesInEquityLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfChangesInEquityLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="lab_ifrs-full_StatementOfChangesInEquityLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_BestEggIncMember_019f5a84-5fee-72b6-aa0b-9a824b85b240_terseLabel_en-US" xlink:label="lab_bcs_BestEggIncMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Best Egg Inc</link:label>
    <link:label id="lab_bcs_BestEggIncMember_label_en-US" xlink:label="lab_bcs_BestEggIncMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Best Egg Inc [Member]</link:label>
    <link:label id="lab_bcs_BestEggIncMember_documentation_en-US" xlink:label="lab_bcs_BestEggIncMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Best Egg Inc</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_BestEggIncMember" xlink:href="bcs-20260630.xsd#bcs_BestEggIncMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_BestEggIncMember" xlink:to="lab_bcs_BestEggIncMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract_019edf59-c18f-79a6-a8a1-907a5508d7b3_terseLabel_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Attributable to:</link:label>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract_label_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive income attributable to [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:to="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherAssets_019edf59-c225-7422-84bb-f506b60b64d5_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other assets</link:label>
    <link:label id="lab_ifrs-full_OtherAssets_label_en-US" xlink:label="lab_ifrs-full_OtherAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherAssets" xlink:to="lab_ifrs-full_OtherAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation_019edfa2-5b17-792c-82fb-c9478ec3b9cc_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Currency translation differences</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income, before tax, exchange differences on translation of foreign operations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract_019edf59-c18f-76e4-b038-90f02507b8ee_terseLabel_en-US" xlink:label="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive income/(loss) not recycled to profit or loss:</link:label>
    <link:label id="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract_label_en-US" xlink:label="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:to="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Level1OfFairValueHierarchyMember_019edf59-c0d6-7a13-b8f0-314bee76b78b_verboseLabel_en-US" xlink:label="lab_ifrs-full_Level1OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Quoted market prices (Level 1)</link:label>
    <link:label id="lab_ifrs-full_Level1OfFairValueHierarchyMember_label_en-US" xlink:label="lab_ifrs-full_Level1OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Level 1 of fair value hierarchy [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Level1OfFairValueHierarchyMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Level1OfFairValueHierarchyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Level1OfFairValueHierarchyMember" xlink:to="lab_ifrs-full_Level1OfFairValueHierarchyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_LegalCompetitionAndRegulatoryMattersAbstract_019edf59-c18f-79a6-875b-ec92933cae28_terseLabel_en-US" xlink:label="lab_bcs_LegalCompetitionAndRegulatoryMattersAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">20. Legal, competition and regulatory matters</link:label>
    <link:label id="lab_bcs_LegalCompetitionAndRegulatoryMattersAbstract_label_en-US" xlink:label="lab_bcs_LegalCompetitionAndRegulatoryMattersAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Legal, Competition And Regulatory Matters [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_LegalCompetitionAndRegulatoryMattersAbstract" xlink:href="bcs-20260630.xsd#bcs_LegalCompetitionAndRegulatoryMattersAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_LegalCompetitionAndRegulatoryMattersAbstract" xlink:to="lab_bcs_LegalCompetitionAndRegulatoryMattersAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Level2OfFairValueHierarchyMember_019edf59-c18f-7e70-9c7a-ce9dfe6a0171_terseLabel_en-US" xlink:label="lab_ifrs-full_Level2OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Observable inputs (Level 2)</link:label>
    <link:label id="lab_ifrs-full_Level2OfFairValueHierarchyMember_label_en-US" xlink:label="lab_ifrs-full_Level2OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Level 2 of fair value hierarchy [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Level2OfFairValueHierarchyMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Level2OfFairValueHierarchyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Level2OfFairValueHierarchyMember" xlink:to="lab_ifrs-full_Level2OfFairValueHierarchyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OnerousContractsProvisionMember_019edf59-c225-75e2-bdbf-ed3a5ec986a9_terseLabel_en-US" xlink:label="lab_ifrs-full_OnerousContractsProvisionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Onerous contracts</link:label>
    <link:label id="lab_ifrs-full_OnerousContractsProvisionMember_label_en-US" xlink:label="lab_ifrs-full_OnerousContractsProvisionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Onerous contracts provision [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OnerousContractsProvisionMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OnerousContractsProvisionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OnerousContractsProvisionMember" xlink:to="lab_ifrs-full_OnerousContractsProvisionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_UpsideOneMember_019edf59-c0d6-7635-b6b0-73f72f9e328d_terseLabel_en-US" xlink:label="lab_bcs_UpsideOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Upside 1</link:label>
    <link:label id="lab_bcs_UpsideOneMember_label_en-US" xlink:label="lab_bcs_UpsideOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Upside 1 [member]</link:label>
    <link:label id="lab_bcs_UpsideOneMember_documentation_en-US" xlink:label="lab_bcs_UpsideOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The upside 1 scenario. The favourable scenarios are calibrated to be symmetric to the adverse scenarios, subject to a ceiling calibrated to relevant recent favourable benchmark scenarios.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_UpsideOneMember" xlink:href="bcs-20260630.xsd#bcs_UpsideOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_UpsideOneMember" xlink:to="lab_bcs_UpsideOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DerivativesNettingMember_019ef476-0e52-7fb6-9f30-cfe2b7caddbd_terseLabel_en-US" xlink:label="lab_bcs_DerivativesNettingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net derivative financial instruments</link:label>
    <link:label id="lab_bcs_DerivativesNettingMember_label_en-US" xlink:label="lab_bcs_DerivativesNettingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivatives, Netting [Member]</link:label>
    <link:label id="lab_bcs_DerivativesNettingMember_documentation_en-US" xlink:label="lab_bcs_DerivativesNettingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Derivatives, Netting</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DerivativesNettingMember" xlink:href="bcs-20260630.xsd#bcs_DerivativesNettingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_DerivativesNettingMember" xlink:to="lab_bcs_DerivativesNettingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember_019edf59-c190-728e-a4af-91f4a1413f6b_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets at fair value through the income statement</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets at fair value through profit or loss, category [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xlink:to="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent_019edf59-c18f-7b1f-8b8e-48edb8215d45_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity holders of the parent</link:label>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent_label_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss), attributable to owners of parent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossAttributableToOwnersOfParent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:to="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentMember_019edf59-c225-7b18-b1d7-a2b2b0bd25c2_verboseLabel_en-US" xlink:label="lab_ifrs-full_CurrentMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Not past due</link:label>
    <link:label id="lab_ifrs-full_CurrentMember_label_en-US" xlink:label="lab_ifrs-full_CurrentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentMember" xlink:to="lab_ifrs-full_CurrentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfFinancialPositionAbstract_019edf59-c190-7b12-b97f-dd2e73a3c61a_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of financial position [abstract]</link:label>
    <link:label id="lab_ifrs-full_StatementOfFinancialPositionAbstract_label_en-US" xlink:label="lab_ifrs-full_StatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of financial position [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfFinancialPositionAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfFinancialPositionAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfFinancialPositionAbstract" xlink:to="lab_ifrs-full_StatementOfFinancialPositionAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SalesAndMarketingExpense_019edf59-c18f-7ddc-913a-da90375823c1_terseLabel_en-US" xlink:label="lab_ifrs-full_SalesAndMarketingExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Marketing and advertising</link:label>
    <link:label id="lab_ifrs-full_SalesAndMarketingExpense_label_en-US" xlink:label="lab_ifrs-full_SalesAndMarketingExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sales and marketing expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SalesAndMarketingExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SalesAndMarketingExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SalesAndMarketingExpense" xlink:to="lab_ifrs-full_SalesAndMarketingExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading_019edf59-c18f-74ad-b96a-32c99ba72dc5_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trading portfolio liabilities</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading_019ef44a-a50a-7137-ae88-bfe0d43dac4a_negatedLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Trading portfolio liabilities</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading_label_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial liabilities at fair value through profit or loss that meet definition of held for trading</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" xlink:to="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfExpensesExplanatory_019edf59-c190-789e-83a6-43ab46143a78_verboseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfExpensesExplanatory" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Infrastructure, administration and general expenses</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfExpensesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfExpensesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of expenses [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfExpensesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfExpensesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfExpensesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfExpensesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherOperatingIncomeExpense_019edf59-c225-7394-899d-cb30f9a3cffd_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherOperatingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other income</link:label>
    <link:label id="lab_ifrs-full_OtherOperatingIncomeExpense_label_en-US" xlink:label="lab_ifrs-full_OtherOperatingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other operating income (expense)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherOperatingIncomeExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherOperatingIncomeExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherOperatingIncomeExpense" xlink:to="lab_ifrs-full_OtherOperatingIncomeExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_CoverAbstract_019edf59-c0d6-7539-9bf8-7fd320c2d57c_terseLabel_en-US" xlink:label="lab_dei_CoverAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cover [Abstract]</link:label>
    <link:label id="lab_dei_CoverAbstract_label_en-US" xlink:label="lab_dei_CoverAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cover [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CoverAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CoverAbstract" xlink:to="lab_dei_CoverAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PaymentsToAcquireOrRedeemEntitysShares_019edf59-c225-79f3-9813-54633276037b_terseLabel_en-US" xlink:label="lab_ifrs-full_PaymentsToAcquireOrRedeemEntitysShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payments to acquire or redeem entity's shares</link:label>
    <link:label id="lab_ifrs-full_PaymentsToAcquireOrRedeemEntitysShares_label_en-US" xlink:label="lab_ifrs-full_PaymentsToAcquireOrRedeemEntitysShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to acquire or redeem entity's shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PaymentsToAcquireOrRedeemEntitysShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PaymentsToAcquireOrRedeemEntitysShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PaymentsToAcquireOrRedeemEntitysShares" xlink:to="lab_ifrs-full_PaymentsToAcquireOrRedeemEntitysShares" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_MaximumMember_019edf59-c18f-737c-bafb-5c12e987a172_terseLabel_en-US" xlink:label="lab_srt_MaximumMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum</link:label>
    <link:label id="lab_srt_MaximumMember_label_en-US" xlink:label="lab_srt_MaximumMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MaximumMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MaximumMember" xlink:to="lab_srt_MaximumMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DefinedBenefitPlansAxis_019edf59-c18f-7670-a829-c5f3e08816b9_terseLabel_en-US" xlink:label="lab_ifrs-full_DefinedBenefitPlansAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined benefit plans [axis]</link:label>
    <link:label id="lab_ifrs-full_DefinedBenefitPlansAxis_label_en-US" xlink:label="lab_ifrs-full_DefinedBenefitPlansAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined benefit plans [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DefinedBenefitPlansAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DefinedBenefitPlansAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DefinedBenefitPlansAxis" xlink:to="lab_ifrs-full_DefinedBenefitPlansAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_ExitPriceAdjustmentsDerivedFromMarketBidOfferSpreadsMember_019edf59-c0d6-7aeb-818c-f7947ffb5998_terseLabel_en-US" xlink:label="lab_bcs_ExitPriceAdjustmentsDerivedFromMarketBidOfferSpreadsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exit price adjustments derived from market bid-offer spreads</link:label>
    <link:label id="lab_bcs_ExitPriceAdjustmentsDerivedFromMarketBidOfferSpreadsMember_label_en-US" xlink:label="lab_bcs_ExitPriceAdjustmentsDerivedFromMarketBidOfferSpreadsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exit Price Adjustments Derived From Market Bid-Offer Spreads [Member]</link:label>
    <link:label id="lab_bcs_ExitPriceAdjustmentsDerivedFromMarketBidOfferSpreadsMember_documentation_en-US" xlink:label="lab_bcs_ExitPriceAdjustmentsDerivedFromMarketBidOfferSpreadsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for exit price adjustments derived from market bid-offer spreads. The methodology for determining the bid-offer adjustment for a derivative portfolio involves calculating the net risk exposure by offsetting long and short positions by strike and term in accordance with the risk management and hedging strategy.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_ExitPriceAdjustmentsDerivedFromMarketBidOfferSpreadsMember" xlink:href="bcs-20260630.xsd#bcs_ExitPriceAdjustmentsDerivedFromMarketBidOfferSpreadsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_ExitPriceAdjustmentsDerivedFromMarketBidOfferSpreadsMember" xlink:to="lab_bcs_ExitPriceAdjustmentsDerivedFromMarketBidOfferSpreadsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_FullyLoadedCommonEquityTierOneCapitalMember_019edf59-c225-7ab6-804f-f0e376319d72_terseLabel_en-US" xlink:label="lab_bcs_FullyLoadedCommonEquityTierOneCapitalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CET1 capital</link:label>
    <link:label id="lab_bcs_FullyLoadedCommonEquityTierOneCapitalMember_label_en-US" xlink:label="lab_bcs_FullyLoadedCommonEquityTierOneCapitalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fully Loaded Common Equity Tier One Capital [Member]</link:label>
    <link:label id="lab_bcs_FullyLoadedCommonEquityTierOneCapitalMember_documentation_en-US" xlink:label="lab_bcs_FullyLoadedCommonEquityTierOneCapitalMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the fully loaded CRD IV CET1 ratio. It is a measure of the capital strength and resilience of the entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_FullyLoadedCommonEquityTierOneCapitalMember" xlink:href="bcs-20260630.xsd#bcs_FullyLoadedCommonEquityTierOneCapitalMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_FullyLoadedCommonEquityTierOneCapitalMember" xlink:to="lab_bcs_FullyLoadedCommonEquityTierOneCapitalMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod_019edf59-c18f-7400-88c5-136789b0d83a_verboseLabel_en-US" xlink:label="lab_ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Interest and similar income</link:label>
    <link:label id="lab_ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod_label_en-US" xlink:label="lab_ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest revenue calculated using effective interest method</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod" xlink:to="lab_ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition_019edf59-c225-7f1c-8c63-21744f1bc2dc_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial liabilities designated at fair value</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition_019ef44a-f19f-72c8-8490-0cd17fc04183_negatedLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Financial liabilities designated at fair value</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition_label_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial liabilities at fair value through profit or loss, designated upon initial recognition or subsequently</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition" xlink:to="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherAdjustmentsForNoncashItems_019edf59-c18f-7da2-bbf3-a10bd73eec9b_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherAdjustmentsForNoncashItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustment for non-cash and other items</link:label>
    <link:label id="lab_ifrs-full_OtherAdjustmentsForNoncashItems_label_en-US" xlink:label="lab_ifrs-full_OtherAdjustmentsForNoncashItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other adjustments for non-cash items</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherAdjustmentsForNoncashItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherAdjustmentsForNoncashItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherAdjustmentsForNoncashItems" xlink:to="lab_ifrs-full_OtherAdjustmentsForNoncashItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowHedgesMember_019edf59-c18f-7b5e-8cd9-b0b228f638a2_terseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowHedgesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivatives designated as cash flow hedges</link:label>
    <link:label id="lab_ifrs-full_CashFlowHedgesMember_label_en-US" xlink:label="lab_ifrs-full_CashFlowHedgesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flow hedges [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowHedgesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowHedgesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowHedgesMember" xlink:to="lab_ifrs-full_CashFlowHedgesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_HeldForTradingMember_019edf59-c225-7026-ab5a-86029927f1f2_terseLabel_en-US" xlink:label="lab_bcs_HeldForTradingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Held for trading</link:label>
    <link:label id="lab_bcs_HeldForTradingMember_label_en-US" xlink:label="lab_bcs_HeldForTradingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Held For Trading [Member]</link:label>
    <link:label id="lab_bcs_HeldForTradingMember_documentation_en-US" xlink:label="lab_bcs_HeldForTradingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for financial instruments categorized as held for trading.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_HeldForTradingMember" xlink:href="bcs-20260630.xsd#bcs_HeldForTradingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_HeldForTradingMember" xlink:to="lab_bcs_HeldForTradingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FeeAndCommissionIncomeExpense_019edf59-c18f-745f-abc6-7ff5791f55eb_totalLabel_en-US" xlink:label="lab_ifrs-full_FeeAndCommissionIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net fee and commission income</link:label>
    <link:label id="lab_ifrs-full_FeeAndCommissionIncomeExpense_label_en-US" xlink:label="lab_ifrs-full_FeeAndCommissionIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fee and commission income (expense)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FeeAndCommissionIncomeExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FeeAndCommissionIncomeExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FeeAndCommissionIncomeExpense" xlink:to="lab_ifrs-full_FeeAndCommissionIncomeExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_FloatingRateNotesZARMember_019f6bb2-10cd-7042-85da-ac4e5f5e829b_terseLabel_en-US" xlink:label="lab_bcs_FloatingRateNotesZARMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Floating Rate Notes (ZAR)</link:label>
    <link:label id="lab_bcs_FloatingRateNotesZARMember_label_en-US" xlink:label="lab_bcs_FloatingRateNotesZARMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Floating Rate Notes (ZAR) [Member]</link:label>
    <link:label id="lab_bcs_FloatingRateNotesZARMember_documentation_en-US" xlink:label="lab_bcs_FloatingRateNotesZARMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Floating Rate Notes (ZAR)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_FloatingRateNotesZARMember" xlink:href="bcs-20260630.xsd#bcs_FloatingRateNotesZARMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_FloatingRateNotesZARMember" xlink:to="lab_bcs_FloatingRateNotesZARMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TransfersIntoLevel3OfFairValueHierarchyAssets_019edf59-c225-7f62-be9d-4ec0f96e1907_terseLabel_en-US" xlink:label="lab_ifrs-full_TransfersIntoLevel3OfFairValueHierarchyAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers into Level 3 of fair value hierarchy, assets</link:label>
    <link:label id="lab_ifrs-full_TransfersIntoLevel3OfFairValueHierarchyAssets_label_en-US" xlink:label="lab_ifrs-full_TransfersIntoLevel3OfFairValueHierarchyAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transfers into Level 3 of fair value hierarchy, assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TransfersIntoLevel3OfFairValueHierarchyAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TransfersIntoLevel3OfFairValueHierarchyAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TransfersIntoLevel3OfFairValueHierarchyAssets" xlink:to="lab_ifrs-full_TransfersIntoLevel3OfFairValueHierarchyAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExpenseByNatureAbstract_019edf59-c225-7c34-a907-f270978cfd86_terseLabel_en-US" xlink:label="lab_ifrs-full_ExpenseByNatureAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expenses by nature [abstract]</link:label>
    <link:label id="lab_ifrs-full_ExpenseByNatureAbstract_label_en-US" xlink:label="lab_ifrs-full_ExpenseByNatureAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expenses by nature [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExpenseByNatureAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExpenseByNatureAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpenseByNatureAbstract" xlink:to="lab_ifrs-full_ExpenseByNatureAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxAssets_019edf59-c18f-739d-bdcd-a65120ba666c_terseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax assets</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxAssets_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred tax assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredTaxAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxAssets" xlink:to="lab_ifrs-full_DeferredTaxAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts_019edf59-c18f-705d-93d3-90f273927225_terseLabel_en-US" xlink:label="lab_ifrs-full_ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exposure to credit risk on loan commitments and financial guarantee contracts</link:label>
    <link:label id="lab_ifrs-full_ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts_019edf59-c18f-7b08-b32d-c3e23d64492a_periodStartLabel_en-US" xlink:label="lab_ifrs-full_ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Opening balance</link:label>
    <link:label id="lab_ifrs-full_ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts_019edf59-c18f-7122-9a0c-5ac3a2ed21bf_periodEndLabel_en-US" xlink:label="lab_ifrs-full_ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending balance</link:label>
    <link:label id="lab_ifrs-full_ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts_label_en-US" xlink:label="lab_ifrs-full_ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exposure to credit risk on loan commitments and financial guarantee contracts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:to="lab_ifrs-full_ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsAxis_019edf59-c18f-7077-96a7-fcdd50f744a8_terseLabel_en-US" xlink:label="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Individual assets or cash-generating units [axis]</link:label>
    <link:label id="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsAxis_label_en-US" xlink:label="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Individual assets or cash-generating units [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IndividualAssetsOrCashgeneratingUnitsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IndividualAssetsOrCashgeneratingUnitsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IndividualAssetsOrCashgeneratingUnitsAxis" xlink:to="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncontrollingInterestsMember_019edf59-c18f-7ade-91c3-91bbe6e7ed18_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncontrollingInterestsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-controlling interests</link:label>
    <link:label id="lab_ifrs-full_NoncontrollingInterestsMember_label_en-US" xlink:label="lab_ifrs-full_NoncontrollingInterestsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-controlling interests [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncontrollingInterestsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncontrollingInterestsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncontrollingInterestsMember" xlink:to="lab_ifrs-full_NoncontrollingInterestsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests_019edf59-c18f-7b65-861f-d31c09b20650_terseLabel_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-controlling interests</link:label>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests_label_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive income, attributable to non-controlling interests</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:to="lab_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SalesFairValueMeasurementLiabilities_019edf59-c0d6-76a3-aa81-5bf83850a962_verboseLabel_en-US" xlink:label="lab_ifrs-full_SalesFairValueMeasurementLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Sales, fair value measurement, liabilities</link:label>
    <link:label id="lab_ifrs-full_SalesFairValueMeasurementLiabilities_label_en-US" xlink:label="lab_ifrs-full_SalesFairValueMeasurementLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sales, fair value measurement, liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SalesFairValueMeasurementLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SalesFairValueMeasurementLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SalesFairValueMeasurementLiabilities" xlink:to="lab_ifrs-full_SalesFairValueMeasurementLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_PrivateEquityInvestmentsMember_019ef45b-50e3-7b95-9a15-7eb308b49f75_verboseLabel_en-US" xlink:label="lab_bcs_PrivateEquityInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Private equity investments</link:label>
    <link:label id="lab_bcs_PrivateEquityInvestmentsMember_label_en-US" xlink:label="lab_bcs_PrivateEquityInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Private Equity Investments [Member]</link:label>
    <link:label id="lab_bcs_PrivateEquityInvestmentsMember_documentation_en-US" xlink:label="lab_bcs_PrivateEquityInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for private equity investments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_PrivateEquityInvestmentsMember" xlink:href="bcs-20260630.xsd#bcs_PrivateEquityInvestmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_PrivateEquityInvestmentsMember" xlink:to="lab_bcs_PrivateEquityInvestmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyAssets_019ef45e-77d5-7f6b-a40e-60b3ee781b0c_terseLabel_en-US" xlink:label="lab_ifrs-full_TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers out of Level 2 into Level 1 of fair value hierarchy, assets held at end of reporting period</link:label>
    <link:label id="lab_ifrs-full_TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyAssets_label_en-US" xlink:label="lab_ifrs-full_TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transfers out of Level 2 into Level 1 of fair value hierarchy, assets held at end of reporting period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyAssets" xlink:to="lab_ifrs-full_TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_ECLFromDebtSecuritiesAtAmortisedCostMember_019edf59-c225-72ec-8dbb-c0304bc2edaf_terseLabel_en-US" xlink:label="lab_bcs_ECLFromDebtSecuritiesAtAmortisedCostMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ECL from debt securities at amortised cost</link:label>
    <link:label id="lab_bcs_ECLFromDebtSecuritiesAtAmortisedCostMember_label_en-US" xlink:label="lab_bcs_ECLFromDebtSecuritiesAtAmortisedCostMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ECL From Debt Securities At Amortised Cost [Member]</link:label>
    <link:label id="lab_bcs_ECLFromDebtSecuritiesAtAmortisedCostMember_documentation_en-US" xlink:label="lab_bcs_ECLFromDebtSecuritiesAtAmortisedCostMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ECL From Debt Securities At Amortised Cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_ECLFromDebtSecuritiesAtAmortisedCostMember" xlink:href="bcs-20260630.xsd#bcs_ECLFromDebtSecuritiesAtAmortisedCostMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_ECLFromDebtSecuritiesAtAmortisedCostMember" xlink:to="lab_bcs_ECLFromDebtSecuritiesAtAmortisedCostMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_HeldForRiskManagementMember_019edf59-c18f-7a0b-a936-15256f77941f_terseLabel_en-US" xlink:label="lab_bcs_HeldForRiskManagementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivatives in hedge accounting relationships</link:label>
    <link:label id="lab_bcs_HeldForRiskManagementMember_label_en-US" xlink:label="lab_bcs_HeldForRiskManagementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Held For Risk Management [Member]</link:label>
    <link:label id="lab_bcs_HeldForRiskManagementMember_documentation_en-US" xlink:label="lab_bcs_HeldForRiskManagementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for derivatives held for risk management by th entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_HeldForRiskManagementMember" xlink:href="bcs-20260630.xsd#bcs_HeldForRiskManagementMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_HeldForRiskManagementMember" xlink:to="lab_bcs_HeldForRiskManagementMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_TransfersToStageThreeMember_019edf59-c225-7b10-a174-558483a4f200_terseLabel_en-US" xlink:label="lab_bcs_TransfersToStageThreeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers to Stage 3</link:label>
    <link:label id="lab_bcs_TransfersToStageThreeMember_label_en-US" xlink:label="lab_bcs_TransfersToStageThreeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transfers To Stage Three [Member]</link:label>
    <link:label id="lab_bcs_TransfersToStageThreeMember_documentation_en-US" xlink:label="lab_bcs_TransfersToStageThreeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for transfers into Stage three.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_TransfersToStageThreeMember" xlink:href="bcs-20260630.xsd#bcs_TransfersToStageThreeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_TransfersToStageThreeMember" xlink:to="lab_bcs_TransfersToStageThreeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_IncreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInOCIAfterTaxAssetsLiabilities_019edf59-c225-7902-860b-386322a34f30_terseLabel_en-US" xlink:label="lab_bcs_IncreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInOCIAfterTaxAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Favorable changes, Equity</link:label>
    <link:label id="lab_bcs_IncreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInOCIAfterTaxAssetsLiabilities_label_en-US" xlink:label="lab_bcs_IncreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInOCIAfterTaxAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase In Fair Value Measurement Due To Change In Multiple Unobservable Inputs To Reflect Reasonably Possible Alternative Assumptions, Recognised In OCI, After Tax, Assets (Liabilities)</link:label>
    <link:label id="lab_bcs_IncreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInOCIAfterTaxAssetsLiabilities_documentation_en-US" xlink:label="lab_bcs_IncreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInOCIAfterTaxAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of increase in the fair value measurement of assets (liabilities), recognised in other comprehensive income after tax, due to a change in multiple unobservable inputs to reflect reasonably possible alternative assumptions. [Refer: Tax income (expense)]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_IncreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInOCIAfterTaxAssetsLiabilities" xlink:href="bcs-20260630.xsd#bcs_IncreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInOCIAfterTaxAssetsLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_IncreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInOCIAfterTaxAssetsLiabilities" xlink:to="lab_bcs_IncreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInOCIAfterTaxAssetsLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComprehensiveIncome_019edf59-c18f-7575-aa22-9acbeccbf509_totalLabel_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total comprehensive income for the period</link:label>
    <link:label id="lab_ifrs-full_ComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncome" xlink:to="lab_ifrs-full_ComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfCreditRiskExplanatory_019edf59-c0d6-7268-ae83-1f63fec8decb_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfCreditRiskExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of movement in gross exposures and impairment allowance including provisions for loan commitments and financial guarantees</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfCreditRiskExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfCreditRiskExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of credit risk [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCreditRiskExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfCreditRiskExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfCreditRiskExplanatory" xlink:to="lab_ifrs-full_DisclosureOfCreditRiskExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityAbstract_019edf59-c225-749c-9f7d-e7eb5d73ca1e_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [abstract]</link:label>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityAbstract_label_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfChangesInEquityAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfChangesInEquityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfChangesInEquityAbstract" xlink:to="lab_ifrs-full_StatementOfChangesInEquityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxOnDisposal_019edfa2-5b17-797c-96a2-c48e589d6a8b_negatedTerseLabel_en-US" xlink:label="lab_bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxOnDisposal" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Net losses transferred to net profit on disposal</link:label>
    <link:label id="lab_bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxOnDisposal_label_en-US" xlink:label="lab_bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxOnDisposal" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reclassification Adjustments On Financial Assets Measured At Fair Value Through Other Comprehensive Income, Before Tax, On Disposal</link:label>
    <link:label id="lab_bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxOnDisposal_documentation_en-US" xlink:label="lab_bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxOnDisposal" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of reclassification adjustments due to disposal of financial assets measured at fair value through other comprehensive income, before tax. Reclassification adjustments are amounts reclassified to profit (loss) in the current period that were recognised in other comprehensive income in the current or previous periods. [Refer: Financial assets measured at fair value through other comprehensive income; Other comprehensive income]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxOnDisposal" xlink:href="bcs-20260630.xsd#bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxOnDisposal"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxOnDisposal" xlink:to="lab_bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxOnDisposal" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RetainedEarnings_019edf59-c225-70c2-8b7e-2a06806fa2b1_terseLabel_en-US" xlink:label="lab_ifrs-full_RetainedEarnings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retained earnings</link:label>
    <link:label id="lab_ifrs-full_RetainedEarnings_label_en-US" xlink:label="lab_ifrs-full_RetainedEarnings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained earnings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RetainedEarnings" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RetainedEarnings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RetainedEarnings" xlink:to="lab_ifrs-full_RetainedEarnings" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MeasurementDomain_019edf59-c225-7716-aa01-84cd5d29d8ec_terseLabel_en-US" xlink:label="lab_ifrs-full_MeasurementDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Measurement [domain]</link:label>
    <link:label id="lab_ifrs-full_MeasurementDomain_label_en-US" xlink:label="lab_ifrs-full_MeasurementDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Measurement [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MeasurementDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MeasurementDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MeasurementDomain" xlink:to="lab_ifrs-full_MeasurementDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory_019edf59-c18f-7a83-a29f-9b5236861766_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basis of preparation</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of basis of preparation of financial statements [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DecreaseThroughDerecognitionFinancialAssets_019edf59-c225-7dd2-8e66-13622bd167de_negatedLabel_en-US" xlink:label="lab_ifrs-full_DecreaseThroughDerecognitionFinancialAssets" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Disposals</link:label>
    <link:label id="lab_ifrs-full_DecreaseThroughDerecognitionFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_DecreaseThroughDerecognitionFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease through derecognition, financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DecreaseThroughDerecognitionFinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DecreaseThroughDerecognitionFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DecreaseThroughDerecognitionFinancialAssets" xlink:to="lab_ifrs-full_DecreaseThroughDerecognitionFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_BarclaysUSConsumerBankMember_019edf59-c190-7b53-a697-91510a39b2fb_terseLabel_en-US" xlink:label="lab_bcs_BarclaysUSConsumerBankMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Barclays US Consumer Bank</link:label>
    <link:label id="lab_bcs_BarclaysUSConsumerBankMember_label_en-US" xlink:label="lab_bcs_BarclaysUSConsumerBankMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Barclays US Consumer Bank [Member]</link:label>
    <link:label id="lab_bcs_BarclaysUSConsumerBankMember_documentation_en-US" xlink:label="lab_bcs_BarclaysUSConsumerBankMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Barclays US Consumer Bank</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_BarclaysUSConsumerBankMember" xlink:href="bcs-20260630.xsd#bcs_BarclaysUSConsumerBankMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_BarclaysUSConsumerBankMember" xlink:to="lab_bcs_BarclaysUSConsumerBankMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsLineItems_019edf59-c0d6-7a6e-9f48-20b16932b484_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about financial instruments [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about financial instruments [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:to="lab_ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentFiscalPeriodFocus_019edf59-c18f-72b0-85fd-200a2821a47e_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Fiscal Period Focus</link:label>
    <link:label id="lab_dei_DocumentFiscalPeriodFocus_label_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Fiscal Period Focus</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentFiscalPeriodFocus"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalPeriodFocus" xlink:to="lab_dei_DocumentFiscalPeriodFocus" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_OtherRepaymentsProceedsOfBorrowingsClassifiedAsFinancingActivities_019edf59-c18f-7d7e-b7a8-8d304fc32781_negatedLabel_en-US" xlink:label="lab_bcs_OtherRepaymentsProceedsOfBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_bcs_OtherRepaymentsProceedsOfBorrowingsClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_bcs_OtherRepaymentsProceedsOfBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Repayments (Proceeds) Of Borrowings, Classified As Financing Activities</link:label>
    <link:label id="lab_bcs_OtherRepaymentsProceedsOfBorrowingsClassifiedAsFinancingActivities_documentation_en-US" xlink:label="lab_bcs_OtherRepaymentsProceedsOfBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The cash inflow from and outflow to settle other borrowings, classified as financing activities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_OtherRepaymentsProceedsOfBorrowingsClassifiedAsFinancingActivities" xlink:href="bcs-20260630.xsd#bcs_OtherRepaymentsProceedsOfBorrowingsClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_OtherRepaymentsProceedsOfBorrowingsClassifiedAsFinancingActivities" xlink:to="lab_bcs_OtherRepaymentsProceedsOfBorrowingsClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_CivilActionsInRespectOfVRDOPrivatePlaintiffsMember_019efe47-ec22-73a3-8adb-555a20c53a42_terseLabel_en-US" xlink:label="lab_bcs_CivilActionsInRespectOfVRDOPrivatePlaintiffsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Civil Actions in respect of VRDO - Private Plaintiffs</link:label>
    <link:label id="lab_bcs_CivilActionsInRespectOfVRDOPrivatePlaintiffsMember_label_en-US" xlink:label="lab_bcs_CivilActionsInRespectOfVRDOPrivatePlaintiffsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Civil Actions In Respect Of VRDO - Private Plaintiffs [Member]</link:label>
    <link:label id="lab_bcs_CivilActionsInRespectOfVRDOPrivatePlaintiffsMember_documentation_en-US" xlink:label="lab_bcs_CivilActionsInRespectOfVRDOPrivatePlaintiffsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Civil Actions In Respect Of VRDO - Private Plaintiffs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_CivilActionsInRespectOfVRDOPrivatePlaintiffsMember" xlink:href="bcs-20260630.xsd#bcs_CivilActionsInRespectOfVRDOPrivatePlaintiffsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_CivilActionsInRespectOfVRDOPrivatePlaintiffsMember" xlink:to="lab_bcs_CivilActionsInRespectOfVRDOPrivatePlaintiffsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Assets_019edf59-c225-7dd7-9ecd-5a9b5f42788e_totalLabel_en-US" xlink:label="lab_ifrs-full_Assets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total assets</link:label>
    <link:label id="lab_ifrs-full_Assets_019edf59-c225-7964-a1d5-b4ee13e598fb_verboseLabel_en-US" xlink:label="lab_ifrs-full_Assets" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Total assets</link:label>
    <link:label id="lab_ifrs-full_Assets_label_en-US" xlink:label="lab_ifrs-full_Assets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Assets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Assets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Assets" xlink:to="lab_ifrs-full_Assets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfRisksDomain_019edf59-c18f-7478-b43d-2710720d50e9_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfRisksDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of risks [domain]</link:label>
    <link:label id="lab_ifrs-full_TypesOfRisksDomain_label_en-US" xlink:label="lab_ifrs-full_TypesOfRisksDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of risks [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfRisksDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfRisksDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfRisksDomain" xlink:to="lab_ifrs-full_TypesOfRisksDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyLiabilities_019f7f5e-0050-7bd6-859a-186fbb52ff9d_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Transfers out of Level 1 into Level 2 of fair value hierarchy, liabilities held at end of reporting period</link:label>
    <link:label id="lab_ifrs-full_TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyLiabilities_label_en-US" xlink:label="lab_ifrs-full_TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transfers out of Level 1 into Level 2 of fair value hierarchy, liabilities held at end of reporting period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyLiabilities" xlink:to="lab_ifrs-full_TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_TransactionalBankingServicesMember_019edf59-c190-7885-8aba-6831ffaee060_terseLabel_en-US" xlink:label="lab_bcs_TransactionalBankingServicesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transactional</link:label>
    <link:label id="lab_bcs_TransactionalBankingServicesMember_label_en-US" xlink:label="lab_bcs_TransactionalBankingServicesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transactional Banking Services [Member]</link:label>
    <link:label id="lab_bcs_TransactionalBankingServicesMember_documentation_en-US" xlink:label="lab_bcs_TransactionalBankingServicesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for fees fees from service charges on deposit account, cash management services and transactional processing fees. These fees include such items as ATM fees, wire transfer fees, balance transfer fees, overdraft or late fees and foreign exchange fees, among others.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_TransactionalBankingServicesMember" xlink:href="bcs-20260630.xsd#bcs_TransactionalBankingServicesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_TransactionalBankingServicesMember" xlink:to="lab_bcs_TransactionalBankingServicesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ParentCompanyMember_019edf59-c18f-73ee-b830-6091415269ff_terseLabel_en-US" xlink:label="lab_srt_ParentCompanyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Barclays PLC</link:label>
    <link:label id="lab_srt_ParentCompanyMember_label_en-US" xlink:label="lab_srt_ParentCompanyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Parent Company [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ParentCompanyMember" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ParentCompanyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ParentCompanyMember" xlink:to="lab_srt_ParentCompanyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RepurchaseAgreementsAndCashCollateralOnSecuritiesLent_019edf59-c225-7ea3-8a21-484cefa7f95f_terseLabel_en-US" xlink:label="lab_ifrs-full_RepurchaseAgreementsAndCashCollateralOnSecuritiesLent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Repurchase agreements and other similar secured borrowings at amortised cost</link:label>
    <link:label id="lab_ifrs-full_RepurchaseAgreementsAndCashCollateralOnSecuritiesLent_019edf59-c225-783d-91c0-236ebdfd6101_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_RepurchaseAgreementsAndCashCollateralOnSecuritiesLent" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Repurchase agreements and other similar secured borrowing</link:label>
    <link:label id="lab_ifrs-full_RepurchaseAgreementsAndCashCollateralOnSecuritiesLent_label_en-US" xlink:label="lab_ifrs-full_RepurchaseAgreementsAndCashCollateralOnSecuritiesLent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repurchase agreements and cash collateral on securities lent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RepurchaseAgreementsAndCashCollateralOnSecuritiesLent" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RepurchaseAgreementsAndCashCollateralOnSecuritiesLent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RepurchaseAgreementsAndCashCollateralOnSecuritiesLent" xlink:to="lab_ifrs-full_RepurchaseAgreementsAndCashCollateralOnSecuritiesLent" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DerivativeFinancialAssets_019edf59-c225-71c6-8692-a0330c201734_verboseLabel_en-US" xlink:label="lab_ifrs-full_DerivativeFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Derivative financial instruments</link:label>
    <link:label id="lab_ifrs-full_DerivativeFinancialAssets_019edf59-c225-7bf7-ac75-b3d008d43220_terseLabel_en-US" xlink:label="lab_ifrs-full_DerivativeFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative financial assets</link:label>
    <link:label id="lab_ifrs-full_DerivativeFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_DerivativeFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DerivativeFinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DerivativeFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DerivativeFinancialAssets" xlink:to="lab_ifrs-full_DerivativeFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CreditRiskMember_019edf59-c18f-70d7-9e37-c632a0b2b528_terseLabel_en-US" xlink:label="lab_ifrs-full_CreditRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit risk</link:label>
    <link:label id="lab_ifrs-full_CreditRiskMember_019f2842-971d-7ff8-8afb-44a24c864591_netLabel_en-US" xlink:label="lab_ifrs-full_CreditRiskMember" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US">Weighted</link:label>
    <link:label id="lab_ifrs-full_CreditRiskMember_019edf59-c18f-7c35-8f12-e99bc1016af4_verboseLabel_en-US" xlink:label="lab_ifrs-full_CreditRiskMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Credit derivatives</link:label>
    <link:label id="lab_ifrs-full_CreditRiskMember_label_en-US" xlink:label="lab_ifrs-full_CreditRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit risk [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CreditRiskMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CreditRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CreditRiskMember" xlink:to="lab_ifrs-full_CreditRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InvestmentPropertyMember_019edf59-c18f-7328-b16f-48ac33e28f6f_terseLabel_en-US" xlink:label="lab_ifrs-full_InvestmentPropertyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment property</link:label>
    <link:label id="lab_ifrs-full_InvestmentPropertyMember_019edf59-c18f-70e5-9847-28f98a48cf8f_verboseLabel_en-US" xlink:label="lab_ifrs-full_InvestmentPropertyMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Investment property</link:label>
    <link:label id="lab_ifrs-full_InvestmentPropertyMember_label_en-US" xlink:label="lab_ifrs-full_InvestmentPropertyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment property [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InvestmentPropertyMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InvestmentPropertyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InvestmentPropertyMember" xlink:to="lab_ifrs-full_InvestmentPropertyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity_019edf59-c18f-75bf-a098-187b29235247_totalLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Shareholders of the parent</link:label>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity_019edf59-c18f-7f1a-a2e5-6f1f688ce8d1_verboseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Profit attributable to ordinary equity holders of the parent</link:label>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity_label_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss), attributable to ordinary equity holders of parent entity, used in calculating basic earnings per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity" xlink:to="lab_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IssuesFairValueMeasurementLiabilities_019edf59-c190-7183-b2de-527a4a68a16b_negatedLabel_en-US" xlink:label="lab_ifrs-full_IssuesFairValueMeasurementLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Issues, fair value measurement, liabilities</link:label>
    <link:label id="lab_ifrs-full_IssuesFairValueMeasurementLiabilities_label_en-US" xlink:label="lab_ifrs-full_IssuesFairValueMeasurementLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issues, fair value measurement, liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IssuesFairValueMeasurementLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IssuesFairValueMeasurementLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IssuesFairValueMeasurementLiabilities" xlink:to="lab_ifrs-full_IssuesFairValueMeasurementLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfInterestRatesAxis_019edf59-c18f-75f4-a1ba-f6a66cae9e99_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfInterestRatesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of interest rates [axis]</link:label>
    <link:label id="lab_ifrs-full_TypesOfInterestRatesAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfInterestRatesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of interest rates [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfInterestRatesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfInterestRatesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfInterestRatesAxis" xlink:to="lab_ifrs-full_TypesOfInterestRatesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_SegmentGeographicalDomain_019edf59-c225-7daf-ac33-c7aeb7e17983_terseLabel_en-US" xlink:label="lab_srt_SegmentGeographicalDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Geographical [Domain]</link:label>
    <link:label id="lab_srt_SegmentGeographicalDomain_label_en-US" xlink:label="lab_srt_SegmentGeographicalDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Geographical [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_SegmentGeographicalDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_SegmentGeographicalDomain" xlink:to="lab_srt_SegmentGeographicalDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading_019edf59-c18f-76f7-ae17-210388a0895a_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trading portfolio assets</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets at fair value through profit or loss, classified as held for trading</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" xlink:to="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_AdjustmentToRetainedEarningsForForeseeableDividends_019edf59-c225-74a2-bd9c-a87eb7aeb3cf_terseLabel_en-US" xlink:label="lab_bcs_AdjustmentToRetainedEarningsForForeseeableDividends" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustment to retained earnings for foreseeable ordinary share dividends</link:label>
    <link:label id="lab_bcs_AdjustmentToRetainedEarningsForForeseeableDividends_label_en-US" xlink:label="lab_bcs_AdjustmentToRetainedEarningsForForeseeableDividends" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustment To Retained Earnings For Foreseeable Dividends</link:label>
    <link:label id="lab_bcs_AdjustmentToRetainedEarningsForForeseeableDividends_documentation_en-US" xlink:label="lab_bcs_AdjustmentToRetainedEarningsForForeseeableDividends" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of adjustment to retained earnings for foreseeable dividends.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_AdjustmentToRetainedEarningsForForeseeableDividends" xlink:href="bcs-20260630.xsd#bcs_AdjustmentToRetainedEarningsForForeseeableDividends"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_AdjustmentToRetainedEarningsForForeseeableDividends" xlink:to="lab_bcs_AdjustmentToRetainedEarningsForForeseeableDividends" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DisclosureOfCarryingAmountsAndFairValuesForAssetsAndLiabilitiesNotHeldAtFairValueTableTextBlock_019edf59-c0d6-70a6-b70b-01f1bad54c9b_terseLabel_en-US" xlink:label="lab_bcs_DisclosureOfCarryingAmountsAndFairValuesForAssetsAndLiabilitiesNotHeldAtFairValueTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Comparison of carrying amounts and fair values for assets and liabilities not held at fair value</link:label>
    <link:label id="lab_bcs_DisclosureOfCarryingAmountsAndFairValuesForAssetsAndLiabilitiesNotHeldAtFairValueTableTextBlock_label_en-US" xlink:label="lab_bcs_DisclosureOfCarryingAmountsAndFairValuesForAssetsAndLiabilitiesNotHeldAtFairValueTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Carrying Amounts And Fair Values For Assets And Liabilities Not Held At Fair Value [Table Text Block]</link:label>
    <link:label id="lab_bcs_DisclosureOfCarryingAmountsAndFairValuesForAssetsAndLiabilitiesNotHeldAtFairValueTableTextBlock_documentation_en-US" xlink:label="lab_bcs_DisclosureOfCarryingAmountsAndFairValuesForAssetsAndLiabilitiesNotHeldAtFairValueTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Carrying Amounts And Fair Values For Assets And Liabilities Not Held At Fair Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DisclosureOfCarryingAmountsAndFairValuesForAssetsAndLiabilitiesNotHeldAtFairValueTableTextBlock" xlink:href="bcs-20260630.xsd#bcs_DisclosureOfCarryingAmountsAndFairValuesForAssetsAndLiabilitiesNotHeldAtFairValueTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_DisclosureOfCarryingAmountsAndFairValuesForAssetsAndLiabilitiesNotHeldAtFairValueTableTextBlock" xlink:to="lab_bcs_DisclosureOfCarryingAmountsAndFairValuesForAssetsAndLiabilitiesNotHeldAtFairValueTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_TemporaryStaffCosts_019edf59-c18f-7e9d-9667-9bb57f13c6b9_terseLabel_en-US" xlink:label="lab_bcs_TemporaryStaffCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Temporary staff costs</link:label>
    <link:label id="lab_bcs_TemporaryStaffCosts_label_en-US" xlink:label="lab_bcs_TemporaryStaffCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary Staff Costs</link:label>
    <link:label id="lab_bcs_TemporaryStaffCosts_documentation_en-US" xlink:label="lab_bcs_TemporaryStaffCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of costs relating to temporary staff costs.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_TemporaryStaffCosts" xlink:href="bcs-20260630.xsd#bcs_TemporaryStaffCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_TemporaryStaffCosts" xlink:to="lab_bcs_TemporaryStaffCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss_019edf59-c0d6-7929-bf09-fe6794ae4129_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets at fair value through the income statement</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets at fair value through profit or loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss" xlink:to="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfBorrowingsExplanatory_019edf59-c190-74d3-a421-9e7615dbef3a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subordinated liabilities</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfBorrowingsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of borrowings [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBorrowingsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GeographicalAreasAxis_019edf59-c225-72ae-95dd-e7d4980e86cf_terseLabel_en-US" xlink:label="lab_ifrs-full_GeographicalAreasAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Geographical areas [axis]</link:label>
    <link:label id="lab_ifrs-full_GeographicalAreasAxis_label_en-US" xlink:label="lab_ifrs-full_GeographicalAreasAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Geographical areas [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GeographicalAreasAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GeographicalAreasAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GeographicalAreasAxis" xlink:to="lab_ifrs-full_GeographicalAreasAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsAbstract_019edf59-c18f-7ceb-aaef-790112154541_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of fair value measurement of assets [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of fair value measurement of assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsAbstract" xlink:to="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BankAcceptanceLiabilities_019edf59-c18f-7d06-b687-8860c71d4e42_terseLabel_en-US" xlink:label="lab_ifrs-full_BankAcceptanceLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash collateral and settlement balances</link:label>
    <link:label id="lab_ifrs-full_BankAcceptanceLiabilities_label_en-US" xlink:label="lab_ifrs-full_BankAcceptanceLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bank acceptance liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BankAcceptanceLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BankAcceptanceLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BankAcceptanceLiabilities" xlink:to="lab_ifrs-full_BankAcceptanceLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_GrossDomesticProductEconomicVariableMember_019edf59-c18f-7402-a93f-8a34ede2ea38_verboseLabel_en-US" xlink:label="lab_bcs_GrossDomesticProductEconomicVariableMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">GDP</link:label>
    <link:label id="lab_bcs_GrossDomesticProductEconomicVariableMember_label_en-US" xlink:label="lab_bcs_GrossDomesticProductEconomicVariableMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gross Domestic Product, Economic Variable [Member]</link:label>
    <link:label id="lab_bcs_GrossDomesticProductEconomicVariableMember_documentation_en-US" xlink:label="lab_bcs_GrossDomesticProductEconomicVariableMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Gross Domestic Product, a key historic macroeconomic core variable. The GDP is compared against the forecast paths of the probability weights for each scenario, demonstrating the highest annual growth in the Upside scenarios; 5 year average in Baseline; lowest annual growth in Downside scenarios.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_GrossDomesticProductEconomicVariableMember" xlink:href="bcs-20260630.xsd#bcs_GrossDomesticProductEconomicVariableMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_GrossDomesticProductEconomicVariableMember" xlink:to="lab_bcs_GrossDomesticProductEconomicVariableMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfOtherProvisionsDomain_019edf59-c225-7ece-8919-3bac6a3c9e2a_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfOtherProvisionsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of other provisions [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfOtherProvisionsDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfOtherProvisionsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of other provisions [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfOtherProvisionsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfOtherProvisionsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfOtherProvisionsDomain" xlink:to="lab_ifrs-full_ClassesOfOtherProvisionsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_StaffCompensationCosts_019edf59-c18f-7153-bb70-e6af830863d3_totalLabel_en-US" xlink:label="lab_bcs_StaffCompensationCosts" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total compensation costs</link:label>
    <link:label id="lab_bcs_StaffCompensationCosts_label_en-US" xlink:label="lab_bcs_StaffCompensationCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Staff Compensation Costs</link:label>
    <link:label id="lab_bcs_StaffCompensationCosts_documentation_en-US" xlink:label="lab_bcs_StaffCompensationCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of costs relating to staff compensation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_StaffCompensationCosts" xlink:href="bcs-20260630.xsd#bcs_StaffCompensationCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_StaffCompensationCosts" xlink:to="lab_bcs_StaffCompensationCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherReservesMember_019edf59-c18f-7fa3-8268-b5882b6afa33_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherReservesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other reserves</link:label>
    <link:label id="lab_ifrs-full_OtherReservesMember_label_en-US" xlink:label="lab_ifrs-full_OtherReservesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other reserves [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherReservesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherReservesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherReservesMember" xlink:to="lab_ifrs-full_OtherReservesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LossesOnLitigationSettlements_019edf59-c18f-7440-8941-68359d1ac4ca_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_LossesOnLitigationSettlements" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Litigation and conduct</link:label>
    <link:label id="lab_ifrs-full_LossesOnLitigationSettlements_label_en-US" xlink:label="lab_ifrs-full_LossesOnLitigationSettlements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Losses on litigation settlements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LossesOnLitigationSettlements" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LossesOnLitigationSettlements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LossesOnLitigationSettlements" xlink:to="lab_ifrs-full_LossesOnLitigationSettlements" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DecreaseThroughDerecognitionExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts_019edf59-c18f-75cd-9d21-36c44078db04_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_DecreaseThroughDerecognitionExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Limit management and final repayments</link:label>
    <link:label id="lab_ifrs-full_DecreaseThroughDerecognitionExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts_label_en-US" xlink:label="lab_ifrs-full_DecreaseThroughDerecognitionExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease through derecognition, exposure to credit risk on loan commitments and financial guarantee contracts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DecreaseThroughDerecognitionExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DecreaseThroughDerecognitionExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DecreaseThroughDerecognitionExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:to="lab_ifrs-full_DecreaseThroughDerecognitionExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_UnemploymentEconomicCoreVariableMember_019edf59-c0d6-7efd-aafd-f1314b75a528_terseLabel_en-US" xlink:label="lab_bcs_UnemploymentEconomicCoreVariableMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unemployment</link:label>
    <link:label id="lab_bcs_UnemploymentEconomicCoreVariableMember_label_en-US" xlink:label="lab_bcs_UnemploymentEconomicCoreVariableMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unemployment, Economic Core Variable [Member]</link:label>
    <link:label id="lab_bcs_UnemploymentEconomicCoreVariableMember_documentation_en-US" xlink:label="lab_bcs_UnemploymentEconomicCoreVariableMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for unemployment, a key historic macroeconomic core variable. The unemployment is compared against the forecast paths of the probability weights for each scenario, demonstrating the lowest point in the Upside scenarios; 5 year average in Baseline; highest point in Downside scenarios.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_UnemploymentEconomicCoreVariableMember" xlink:href="bcs-20260630.xsd#bcs_UnemploymentEconomicCoreVariableMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_UnemploymentEconomicCoreVariableMember" xlink:to="lab_bcs_UnemploymentEconomicCoreVariableMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_ManagementAdjustmentsMember_019edf59-c225-7e68-a845-db12ef78678d_terseLabel_en-US" xlink:label="lab_bcs_ManagementAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Management adjustments</link:label>
    <link:label id="lab_bcs_ManagementAdjustmentsMember_label_en-US" xlink:label="lab_bcs_ManagementAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Management Adjustments [Member]</link:label>
    <link:label id="lab_bcs_ManagementAdjustmentsMember_documentation_en-US" xlink:label="lab_bcs_ManagementAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Management Adjustments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_ManagementAdjustmentsMember" xlink:href="bcs-20260630.xsd#bcs_ManagementAdjustmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_ManagementAdjustmentsMember" xlink:to="lab_bcs_ManagementAdjustmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossLoansAndAdvances_019edf59-c0d6-7fe8-a3bb-13d960904fd6_terseLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossLoansAndAdvances" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net write-offs</link:label>
    <link:label id="lab_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossLoansAndAdvances_label_en-US" xlink:label="lab_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossLoansAndAdvances" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment loss (reversal of impairment loss) recognised in profit or loss, loans and advances</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossLoansAndAdvances" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossLoansAndAdvances"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossLoansAndAdvances" xlink:to="lab_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossLoansAndAdvances" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_ECLFromNonModelledExposuresAndOthersMember_019edf59-c18f-7367-8c6c-e1ebaece36da_terseLabel_en-US" xlink:label="lab_bcs_ECLFromNonModelledExposuresAndOthersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ECL from non-modelled exposures and others</link:label>
    <link:label id="lab_bcs_ECLFromNonModelledExposuresAndOthersMember_label_en-US" xlink:label="lab_bcs_ECLFromNonModelledExposuresAndOthersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ECL From Non-Modelled Exposures And Others [Member]</link:label>
    <link:label id="lab_bcs_ECLFromNonModelledExposuresAndOthersMember_documentation_en-US" xlink:label="lab_bcs_ECLFromNonModelledExposuresAndOthersMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ECL From Non-Modelled Exposures And Others</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_ECLFromNonModelledExposuresAndOthersMember" xlink:href="bcs-20260630.xsd#bcs_ECLFromNonModelledExposuresAndOthersMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_ECLFromNonModelledExposuresAndOthersMember" xlink:to="lab_bcs_ECLFromNonModelledExposuresAndOthersMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DecreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInOCIAfterTaxAssetsLiabilities_019edf59-c0d6-7fc5-a9ec-150a924e18b0_negatedTerseLabel_en-US" xlink:label="lab_bcs_DecreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInOCIAfterTaxAssetsLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Unfavorable changes, Equity</link:label>
    <link:label id="lab_bcs_DecreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInOCIAfterTaxAssetsLiabilities_label_en-US" xlink:label="lab_bcs_DecreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInOCIAfterTaxAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease In Fair Value Measurement Due To Change In Multiple Unobservable Inputs To Reflect Reasonably Possible Alternative Assumptions, Recognised In OCI, After Tax, Assets (Liabilities)</link:label>
    <link:label id="lab_bcs_DecreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInOCIAfterTaxAssetsLiabilities_documentation_en-US" xlink:label="lab_bcs_DecreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInOCIAfterTaxAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of decrease in the fair value measurement of assets (liabilities), recognised in other comprehensive income after tax, due to a change in multiple unobservable inputs to reflect reasonably possible alternative assumptions. [Refer: Tax income (expense)]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DecreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInOCIAfterTaxAssetsLiabilities" xlink:href="bcs-20260630.xsd#bcs_DecreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInOCIAfterTaxAssetsLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_DecreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInOCIAfterTaxAssetsLiabilities" xlink:to="lab_bcs_DecreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInOCIAfterTaxAssetsLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssetsLiabilitiesNet_019edf59-c0d6-7455-bcf6-ad42049c0784_terseLabel_en-US" xlink:label="lab_bcs_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssetsLiabilitiesNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total gains and losses in the period recognised in the income statement, assets (liabilities) net</link:label>
    <link:label id="lab_bcs_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssetsLiabilitiesNet_label_en-US" xlink:label="lab_bcs_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssetsLiabilitiesNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (Losses) Recognised In Profit Or Loss, Fair Value Measurement, Assets (Liabilities), Net</link:label>
    <link:label id="lab_bcs_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssetsLiabilitiesNet_documentation_en-US" xlink:label="lab_bcs_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssetsLiabilitiesNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The gains (losses) recognised in profit or loss on the fair value measurement of assets and liabilities. [Refer: At fair value [member]]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssetsLiabilitiesNet" xlink:href="bcs-20260630.xsd#bcs_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssetsLiabilitiesNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssetsLiabilitiesNet" xlink:to="lab_bcs_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssetsLiabilitiesNet" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfProvisionMatrixExplanatory_019edf59-c225-7937-8aac-d571ec0541de_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfProvisionMatrixExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of loans and advances at amortised cost by geography and by product</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfProvisionMatrixExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfProvisionMatrixExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of provision matrix [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfProvisionMatrixExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfProvisionMatrixExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfProvisionMatrixExplanatory" xlink:to="lab_ifrs-full_DisclosureOfProvisionMatrixExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExplanatory_019edf59-c18f-75e1-9169-cb8a00b8841e_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets and liabilities included in disposal group classified as held for sale</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of non-current assets or disposal groups classified as held for sale [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExplanatory" xlink:to="lab_ifrs-full_DisclosureOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill_019edf59-c18f-7e8d-82b2-de2bdbeace60_terseLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intangible assets</link:label>
    <link:label id="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill_label_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intangible assets other than goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RiskDiversificationEffectMember_019edf59-c18f-7baf-a73c-99e69fbcb469_terseLabel_en-US" xlink:label="lab_ifrs-full_RiskDiversificationEffectMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Diversification effect</link:label>
    <link:label id="lab_ifrs-full_RiskDiversificationEffectMember_label_en-US" xlink:label="lab_ifrs-full_RiskDiversificationEffectMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Risk diversification effect [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RiskDiversificationEffectMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RiskDiversificationEffectMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RiskDiversificationEffectMember" xlink:to="lab_ifrs-full_RiskDiversificationEffectMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_CreditCardsRetailMember_019edf59-c18f-7748-9662-c59b0f5b0f22_terseLabel_en-US" xlink:label="lab_bcs_CreditCardsRetailMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retail credit cards</link:label>
    <link:label id="lab_bcs_CreditCardsRetailMember_label_en-US" xlink:label="lab_bcs_CreditCardsRetailMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Cards, Retail [Member]</link:label>
    <link:label id="lab_bcs_CreditCardsRetailMember_documentation_en-US" xlink:label="lab_bcs_CreditCardsRetailMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Credit Cards, Retail</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_CreditCardsRetailMember" xlink:href="bcs-20260630.xsd#bcs_CreditCardsRetailMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_CreditCardsRetailMember" xlink:to="lab_bcs_CreditCardsRetailMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_NumberOfInitialLawsuitsAmended_019edf59-c18f-72a9-a4ef-5b2188d813aa_terseLabel_en-US" xlink:label="lab_bcs_NumberOfInitialLawsuitsAmended" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of initial lawsuits amended</link:label>
    <link:label id="lab_bcs_NumberOfInitialLawsuitsAmended_label_en-US" xlink:label="lab_bcs_NumberOfInitialLawsuitsAmended" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Initial Lawsuits Amended</link:label>
    <link:label id="lab_bcs_NumberOfInitialLawsuitsAmended_documentation_en-US" xlink:label="lab_bcs_NumberOfInitialLawsuitsAmended" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Initial Lawsuit Amended</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_NumberOfInitialLawsuitsAmended" xlink:href="bcs-20260630.xsd#bcs_NumberOfInitialLawsuitsAmended"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_NumberOfInitialLawsuitsAmended" xlink:to="lab_bcs_NumberOfInitialLawsuitsAmended" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_FinancialInstrumentsAtAmortisedCostCategoryMember_019edf59-c18f-7cf6-a911-5919bb8607cb_terseLabel_en-US" xlink:label="lab_bcs_FinancialInstrumentsAtAmortisedCostCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial instruments at amortised cost, category</link:label>
    <link:label id="lab_bcs_FinancialInstrumentsAtAmortisedCostCategoryMember_label_en-US" xlink:label="lab_bcs_FinancialInstrumentsAtAmortisedCostCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Instruments At Amortised Cost, Category [Member]</link:label>
    <link:label id="lab_bcs_FinancialInstrumentsAtAmortisedCostCategoryMember_documentation_en-US" xlink:label="lab_bcs_FinancialInstrumentsAtAmortisedCostCategoryMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the financial instruments carried at amortised cost category.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_FinancialInstrumentsAtAmortisedCostCategoryMember" xlink:href="bcs-20260630.xsd#bcs_FinancialInstrumentsAtAmortisedCostCategoryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_FinancialInstrumentsAtAmortisedCostCategoryMember" xlink:to="lab_bcs_FinancialInstrumentsAtAmortisedCostCategoryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_AdditionalValueAdjustmentsPVA_019edf59-c18f-731a-825c-16f983cebdb7_negatedTerseLabel_en-US" xlink:label="lab_bcs_AdditionalValueAdjustmentsPVA" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Additional value adjustments (PVA)</link:label>
    <link:label id="lab_bcs_AdditionalValueAdjustmentsPVA_label_en-US" xlink:label="lab_bcs_AdditionalValueAdjustmentsPVA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional Value Adjustments (PVA)</link:label>
    <link:label id="lab_bcs_AdditionalValueAdjustmentsPVA_documentation_en-US" xlink:label="lab_bcs_AdditionalValueAdjustmentsPVA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of regulatory additional value adjustments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_AdditionalValueAdjustmentsPVA" xlink:href="bcs-20260630.xsd#bcs_AdditionalValueAdjustmentsPVA"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_AdditionalValueAdjustmentsPVA" xlink:to="lab_bcs_AdditionalValueAdjustmentsPVA" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SegmentsDomain_019edf59-c0d6-7095-89d9-7d69a4afdc11_terseLabel_en-US" xlink:label="lab_ifrs-full_SegmentsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segments [domain]</link:label>
    <link:label id="lab_ifrs-full_SegmentsDomain_label_en-US" xlink:label="lab_ifrs-full_SegmentsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segments [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SegmentsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SegmentsDomain" xlink:to="lab_ifrs-full_SegmentsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_019edf59-c18f-7b0a-8ccd-c91e44c66834_periodStartLabel_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents at beginning of the period</link:label>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_019edf59-c18f-795c-ba9d-46defe78b531_periodEndLabel_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents at end of the period</link:label>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashAndCashEquivalents" xlink:to="lab_ifrs-full_CashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProceedsFromIssueOfSubordinatedLiabilities_019edf59-c190-745c-b976-552b6f53fb84_terseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromIssueOfSubordinatedLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issuances</link:label>
    <link:label id="lab_ifrs-full_ProceedsFromIssueOfSubordinatedLiabilities_label_en-US" xlink:label="lab_ifrs-full_ProceedsFromIssueOfSubordinatedLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from issue of subordinated liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromIssueOfSubordinatedLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProceedsFromIssueOfSubordinatedLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromIssueOfSubordinatedLiabilities" xlink:to="lab_ifrs-full_ProceedsFromIssueOfSubordinatedLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_UnallocatedAmountsMember_019edf59-c18f-7938-9a5f-254cd1fc5a0b_terseLabel_en-US" xlink:label="lab_ifrs-full_UnallocatedAmountsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Head Office</link:label>
    <link:label id="lab_ifrs-full_UnallocatedAmountsMember_label_en-US" xlink:label="lab_ifrs-full_UnallocatedAmountsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unallocated amounts [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UnallocatedAmountsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UnallocatedAmountsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnallocatedAmountsMember" xlink:to="lab_ifrs-full_UnallocatedAmountsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleLineItems_019edf59-c225-78d7-a0a8-90ba594e62a6_terseLabel_en-US" xlink:label="lab_bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Assets And Liabilities Classified As Held For Sale [Line Items]</link:label>
    <link:label id="lab_bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleLineItems_label_en-US" xlink:label="lab_bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Assets And Liabilities Classified As Held For Sale [Line Items]</link:label>
    <link:label id="lab_bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleLineItems_documentation_en-US" xlink:label="lab_bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Assets And Liabilities Classified As Held For Sale [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleLineItems" xlink:href="bcs-20260630.xsd#bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleLineItems" xlink:to="lab_bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_BarclaysPrivateBankAndWealthManagementMember_019edf59-c0d6-7f82-8918-5fbc3253066e_terseLabel_en-US" xlink:label="lab_bcs_BarclaysPrivateBankAndWealthManagementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Barclays Private Bank and Wealth Management</link:label>
    <link:label id="lab_bcs_BarclaysPrivateBankAndWealthManagementMember_label_en-US" xlink:label="lab_bcs_BarclaysPrivateBankAndWealthManagementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Barclays Private Bank And Wealth Management [Member]</link:label>
    <link:label id="lab_bcs_BarclaysPrivateBankAndWealthManagementMember_documentation_en-US" xlink:label="lab_bcs_BarclaysPrivateBankAndWealthManagementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Barclays Private Bank And Wealth Management</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_BarclaysPrivateBankAndWealthManagementMember" xlink:href="bcs-20260630.xsd#bcs_BarclaysPrivateBankAndWealthManagementMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_BarclaysPrivateBankAndWealthManagementMember" xlink:to="lab_bcs_BarclaysPrivateBankAndWealthManagementMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DocumentaryCreditsAndOtherShortTermTradeRelatedTransactionsMember_019edf59-c0d6-7488-b953-615321bb965f_terseLabel_en-US" xlink:label="lab_bcs_DocumentaryCreditsAndOtherShortTermTradeRelatedTransactionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Documentary credits and other short-term trade related transactions</link:label>
    <link:label id="lab_bcs_DocumentaryCreditsAndOtherShortTermTradeRelatedTransactionsMember_label_en-US" xlink:label="lab_bcs_DocumentaryCreditsAndOtherShortTermTradeRelatedTransactionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Documentary Credits And Other Short-Term Trade Related Transactions [Member]</link:label>
    <link:label id="lab_bcs_DocumentaryCreditsAndOtherShortTermTradeRelatedTransactionsMember_documentation_en-US" xlink:label="lab_bcs_DocumentaryCreditsAndOtherShortTermTradeRelatedTransactionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for documentary credits and other short-term trade related transactions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DocumentaryCreditsAndOtherShortTermTradeRelatedTransactionsMember" xlink:href="bcs-20260630.xsd#bcs_DocumentaryCreditsAndOtherShortTermTradeRelatedTransactionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_DocumentaryCreditsAndOtherShortTermTradeRelatedTransactionsMember" xlink:to="lab_bcs_DocumentaryCreditsAndOtherShortTermTradeRelatedTransactionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_NumberOfLegalChallenges_019f7ebd-22f7-7779-a996-ad8cacf723f5_terseLabel_en-US" xlink:label="lab_bcs_NumberOfLegalChallenges" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of legal challenges</link:label>
    <link:label id="lab_bcs_NumberOfLegalChallenges_label_en-US" xlink:label="lab_bcs_NumberOfLegalChallenges" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Legal Challenges</link:label>
    <link:label id="lab_bcs_NumberOfLegalChallenges_documentation_en-US" xlink:label="lab_bcs_NumberOfLegalChallenges" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Legal Challenges</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_NumberOfLegalChallenges" xlink:href="bcs-20260630.xsd#bcs_NumberOfLegalChallenges"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_NumberOfLegalChallenges" xlink:to="lab_bcs_NumberOfLegalChallenges" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AssetsAbstract_019edf59-c18f-746d-ab13-3ef776f1fc3c_terseLabel_en-US" xlink:label="lab_ifrs-full_AssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets</link:label>
    <link:label id="lab_ifrs-full_AssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_AssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AssetsAbstract" xlink:to="lab_ifrs-full_AssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TransfersIntoLevel3OfFairValueHierarchyLiabilities_019edf59-c18f-7827-9f15-6029d1c6b891_negatedLabel_en-US" xlink:label="lab_ifrs-full_TransfersIntoLevel3OfFairValueHierarchyLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Transfers into Level 3 of fair value hierarchy, liabilities</link:label>
    <link:label id="lab_ifrs-full_TransfersIntoLevel3OfFairValueHierarchyLiabilities_label_en-US" xlink:label="lab_ifrs-full_TransfersIntoLevel3OfFairValueHierarchyLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transfers into Level 3 of fair value hierarchy, liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TransfersIntoLevel3OfFairValueHierarchyLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TransfersIntoLevel3OfFairValueHierarchyLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TransfersIntoLevel3OfFairValueHierarchyLiabilities" xlink:to="lab_ifrs-full_TransfersIntoLevel3OfFairValueHierarchyLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EquityAndLiabilities_019edf59-c190-7059-bde4-425dfcb139f3_totalLabel_en-US" xlink:label="lab_ifrs-full_EquityAndLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total liabilities and equity</link:label>
    <link:label id="lab_ifrs-full_EquityAndLiabilities_label_en-US" xlink:label="lab_ifrs-full_EquityAndLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity and liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAndLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAndLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAndLiabilities" xlink:to="lab_ifrs-full_EquityAndLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_country_US_019edf59-c225-75d2-a2cc-9433acb4de03_terseLabel_en-US" xlink:label="lab_country_US" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">US</link:label>
    <link:label id="lab_country_US_label_en-US" xlink:label="lab_country_US" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">UNITED STATES</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_US" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_US"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_US" xlink:to="lab_country_US" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_InflationRiskMember_019edf59-c225-73e8-81d0-41e62d04e9e4_terseLabel_en-US" xlink:label="lab_bcs_InflationRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inflation risk</link:label>
    <link:label id="lab_bcs_InflationRiskMember_label_en-US" xlink:label="lab_bcs_InflationRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inflation Risk [Member]</link:label>
    <link:label id="lab_bcs_InflationRiskMember_documentation_en-US" xlink:label="lab_bcs_InflationRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the inflation risk factor.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_InflationRiskMember" xlink:href="bcs-20260630.xsd#bcs_InflationRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_InflationRiskMember" xlink:to="lab_bcs_InflationRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BusinessCombinationsAxis_019edf59-c190-7688-9f14-cc693cf14e4e_terseLabel_en-US" xlink:label="lab_ifrs-full_BusinessCombinationsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business combinations [axis]</link:label>
    <link:label id="lab_ifrs-full_BusinessCombinationsAxis_label_en-US" xlink:label="lab_ifrs-full_BusinessCombinationsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business combinations [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BusinessCombinationsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BusinessCombinationsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BusinessCombinationsAxis" xlink:to="lab_ifrs-full_BusinessCombinationsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_FixedRateResettingPerpetualSubordinatedContingentConvertibleSecuritiesMember_019edf59-c0d6-751b-8bab-f235a36616a0_terseLabel_en-US" xlink:label="lab_bcs_FixedRateResettingPerpetualSubordinatedContingentConvertibleSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fixed Rate Resetting Perpetual Subordinated Contingent Convertible Securities</link:label>
    <link:label id="lab_bcs_FixedRateResettingPerpetualSubordinatedContingentConvertibleSecuritiesMember_label_en-US" xlink:label="lab_bcs_FixedRateResettingPerpetualSubordinatedContingentConvertibleSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fixed Rate Resetting Perpetual Subordinated Contingent Convertible Securities [Member]</link:label>
    <link:label id="lab_bcs_FixedRateResettingPerpetualSubordinatedContingentConvertibleSecuritiesMember_documentation_en-US" xlink:label="lab_bcs_FixedRateResettingPerpetualSubordinatedContingentConvertibleSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fixed Rate Resetting Perpetual Subordinated Contingent Convertible Securities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_FixedRateResettingPerpetualSubordinatedContingentConvertibleSecuritiesMember" xlink:href="bcs-20260630.xsd#bcs_FixedRateResettingPerpetualSubordinatedContingentConvertibleSecuritiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_FixedRateResettingPerpetualSubordinatedContingentConvertibleSecuritiesMember" xlink:to="lab_bcs_FixedRateResettingPerpetualSubordinatedContingentConvertibleSecuritiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Provisions_019edf59-c18f-75b2-aa63-826a4252ae18_terseLabel_en-US" xlink:label="lab_ifrs-full_Provisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions</link:label>
    <link:label id="lab_ifrs-full_Provisions_label_en-US" xlink:label="lab_ifrs-full_Provisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Provisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Provisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Provisions" xlink:to="lab_ifrs-full_Provisions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisposalGroupsClassifiedAsHeldForSaleMember_019edf59-c18f-7605-8691-05c768fffeb8_terseLabel_en-US" xlink:label="lab_ifrs-full_DisposalGroupsClassifiedAsHeldForSaleMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disposal groups classified as held for sale</link:label>
    <link:label id="lab_ifrs-full_DisposalGroupsClassifiedAsHeldForSaleMember_label_en-US" xlink:label="lab_ifrs-full_DisposalGroupsClassifiedAsHeldForSaleMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disposal groups classified as held for sale [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisposalGroupsClassifiedAsHeldForSaleMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisposalGroupsClassifiedAsHeldForSaleMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisposalGroupsClassifiedAsHeldForSaleMember" xlink:to="lab_ifrs-full_DisposalGroupsClassifiedAsHeldForSaleMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BusinessCombinationsDomain_019edf59-c0d6-77ae-84ff-d10dfbfbca9c_terseLabel_en-US" xlink:label="lab_ifrs-full_BusinessCombinationsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business combinations [domain]</link:label>
    <link:label id="lab_ifrs-full_BusinessCombinationsDomain_label_en-US" xlink:label="lab_ifrs-full_BusinessCombinationsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business combinations [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BusinessCombinationsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BusinessCombinationsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BusinessCombinationsDomain" xlink:to="lab_ifrs-full_BusinessCombinationsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleTable_019edf59-c18f-7823-ba6b-6c1a566802c1_terseLabel_en-US" xlink:label="lab_bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure Of Assets And Liabilities Classified As Held For Sale [Table]</link:label>
    <link:label id="lab_bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleTable_label_en-US" xlink:label="lab_bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Assets And Liabilities Classified As Held For Sale [Table]</link:label>
    <link:label id="lab_bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleTable_documentation_en-US" xlink:label="lab_bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Assets And Liabilities Classified As Held For Sale</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleTable" xlink:href="bcs-20260630.xsd#bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleTable" xlink:to="lab_bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowHedgesAbstract_019eefdc-1e5d-7ccc-9ad4-5c7f2d3ae3bd_terseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowHedgesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flow hedging reserve</link:label>
    <link:label id="lab_ifrs-full_CashFlowHedgesAbstract_label_en-US" xlink:label="lab_ifrs-full_CashFlowHedgesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flow hedges [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowHedgesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowHedgesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowHedgesAbstract" xlink:to="lab_ifrs-full_CashFlowHedgesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_NumberOfLawsuitsSubjectToAppeal_019edf59-c18f-73bb-93ac-582e53422f34_terseLabel_en-US" xlink:label="lab_bcs_NumberOfLawsuitsSubjectToAppeal" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of lawsuits subject to appeal</link:label>
    <link:label id="lab_bcs_NumberOfLawsuitsSubjectToAppeal_label_en-US" xlink:label="lab_bcs_NumberOfLawsuitsSubjectToAppeal" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Lawsuits Subject To Appeal</link:label>
    <link:label id="lab_bcs_NumberOfLawsuitsSubjectToAppeal_documentation_en-US" xlink:label="lab_bcs_NumberOfLawsuitsSubjectToAppeal" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Lawsuits Subject To Appeal</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_NumberOfLawsuitsSubjectToAppeal" xlink:href="bcs-20260630.xsd#bcs_NumberOfLawsuitsSubjectToAppeal"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_NumberOfLawsuitsSubjectToAppeal" xlink:to="lab_bcs_NumberOfLawsuitsSubjectToAppeal" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReservesWithinEquityTable_019edf59-c225-72dc-b3b8-f29bb6075b94_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReservesWithinEquityTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of reserves within equity [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReservesWithinEquityTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReservesWithinEquityTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of reserves within equity [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReservesWithinEquityTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReservesWithinEquityTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReservesWithinEquityTable" xlink:to="lab_ifrs-full_DisclosureOfReservesWithinEquityTable" xlink:type="arc" order="1"/>
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    <link:label id="lab_ifrs-full_DisclosureOfDefinedBenefitPlansAbstract_019edf59-c18f-7500-b135-d3201ccfa276_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDefinedBenefitPlansAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of defined benefit plans [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDefinedBenefitPlansAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDefinedBenefitPlansAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of defined benefit plans [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDefinedBenefitPlansAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDefinedBenefitPlansAbstract"/>
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    <link:label id="lab_ifrs-full_AggregateDifferenceBetweenFairValueAtInitialRecognitionAndAmountDeterminedUsingValuationTechniqueYetToBeRecognised_019edf59-c18f-72c8-8604-c8df702a39fa_terseLabel_en-US" xlink:label="lab_ifrs-full_AggregateDifferenceBetweenFairValueAtInitialRecognitionAndAmountDeterminedUsingValuationTechniqueYetToBeRecognised" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aggregate difference between fair value at initial recognition and transaction price yet to be recognised in profit or loss</link:label>
    <link:label id="lab_ifrs-full_AggregateDifferenceBetweenFairValueAtInitialRecognitionAndAmountDeterminedUsingValuationTechniqueYetToBeRecognised_label_en-US" xlink:label="lab_ifrs-full_AggregateDifferenceBetweenFairValueAtInitialRecognitionAndAmountDeterminedUsingValuationTechniqueYetToBeRecognised" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Aggregate difference between fair value at initial recognition and transaction price yet to be recognised in profit or loss</link:label>
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    <link:label id="lab_bcs_NumberOfOverseasSubsidiariesDeniedVATGroupingByHMRC_019f7f74-3cd6-79f1-b288-9ddf74d13899_terseLabel_en-US" xlink:label="lab_bcs_NumberOfOverseasSubsidiariesDeniedVATGroupingByHMRC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of overseas subsidiaries denied VAT Grouping by the HMRC</link:label>
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    <link:label id="lab_bcs_NumberOfOverseasSubsidiariesDeniedVATGroupingByHMRC_documentation_en-US" xlink:label="lab_bcs_NumberOfOverseasSubsidiariesDeniedVATGroupingByHMRC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of Overseas Subsidiaries Denied VAT Grouping by HMRC</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_NumberOfOverseasSubsidiariesDeniedVATGroupingByHMRC" xlink:href="bcs-20260630.xsd#bcs_NumberOfOverseasSubsidiariesDeniedVATGroupingByHMRC"/>
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    <link:label id="lab_bcs_IncreaseInFairValueMeasurementDueToChangeInOneOrMoreUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsAssetsLiabilities_documentation_en-US" xlink:label="lab_bcs_IncreaseInFairValueMeasurementDueToChangeInOneOrMoreUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of increase in the fair value measurement of assets and liabilities due to a change in one or more unobservable inputs to reflect reasonably possible alternative assumptions.</link:label>
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    <link:label id="lab_ifrs-full_AdjustmentsToReconcileProfitLossAttributableToOwnersOfParentToNumeratorUsedInCalculatingBasicEarningsPerShare_019edf59-c18f-7c98-ba06-5d8b73de8858_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsToReconcileProfitLossAttributableToOwnersOfParentToNumeratorUsedInCalculatingBasicEarningsPerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other equity holders</link:label>
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    <link:label id="lab_ifrs-full_InterestRateRiskMember_019edf59-c18f-72b3-ac9d-9d4b4a9d8269_verboseLabel_en-US" xlink:label="lab_ifrs-full_InterestRateRiskMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Interest rate risk</link:label>
    <link:label id="lab_ifrs-full_InterestRateRiskMember_019edf59-c18f-76e1-a212-577b73187fce_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestRateRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest rate derivatives</link:label>
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    <link:label id="lab_bcs_ManagementAndAdvisoryServicesMember_019edf59-c18f-7daa-9bbc-d83a310fab19_terseLabel_en-US" xlink:label="lab_bcs_ManagementAndAdvisoryServicesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Advisory</link:label>
    <link:label id="lab_bcs_ManagementAndAdvisoryServicesMember_label_en-US" xlink:label="lab_bcs_ManagementAndAdvisoryServicesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Management And Advisory Services [Member]</link:label>
    <link:label id="lab_bcs_ManagementAndAdvisoryServicesMember_documentation_en-US" xlink:label="lab_bcs_ManagementAndAdvisoryServicesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for fees from asset management services and advisory services related to mergers, acquisitions and financial restructuring.</link:label>
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    <link:label id="lab_ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis_019edf59-c225-70d0-b9d4-35ddfbbe911f_terseLabel_en-US" xlink:label="lab_ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit impairment of financial instruments [axis]</link:label>
    <link:label id="lab_ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis_label_en-US" xlink:label="lab_ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit impairment of financial instruments [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis" xlink:to="lab_ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory_019edf59-c225-7ce3-b541-e54262801351_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value of financial instruments</link:label>
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    <link:label id="lab_bcs_AssetsByFunctionsAxis_019edf59-c225-7c98-aeeb-1ae64734161a_terseLabel_en-US" xlink:label="lab_bcs_AssetsByFunctionsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets By Functions [Axis]</link:label>
    <link:label id="lab_bcs_AssetsByFunctionsAxis_label_en-US" xlink:label="lab_bcs_AssetsByFunctionsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets By Functions [Axis]</link:label>
    <link:label id="lab_bcs_AssetsByFunctionsAxis_documentation_en-US" xlink:label="lab_bcs_AssetsByFunctionsAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Assets By Functions</link:label>
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    <link:label id="lab_bcs_TescoPersonalFinancePLCMember_019edf59-c18f-7c3a-a279-797c3a4da3b9_terseLabel_en-US" xlink:label="lab_bcs_TescoPersonalFinancePLCMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tesco Personal Finance PLC</link:label>
    <link:label id="lab_bcs_TescoPersonalFinancePLCMember_label_en-US" xlink:label="lab_bcs_TescoPersonalFinancePLCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tesco Personal Finance PLC [Member]</link:label>
    <link:label id="lab_bcs_TescoPersonalFinancePLCMember_documentation_en-US" xlink:label="lab_bcs_TescoPersonalFinancePLCMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tesco Personal Finance PLC</link:label>
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    <link:label id="lab_ifrs-full_ReservesWithinEquityAxis_019edf59-c18f-7ea7-8f5d-da7bd5961ca3_terseLabel_en-US" xlink:label="lab_ifrs-full_ReservesWithinEquityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reserves within equity [axis]</link:label>
    <link:label id="lab_ifrs-full_ReservesWithinEquityAxis_label_en-US" xlink:label="lab_ifrs-full_ReservesWithinEquityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reserves within equity [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReservesWithinEquityAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReservesWithinEquityAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReservesWithinEquityAxis" xlink:to="lab_ifrs-full_ReservesWithinEquityAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_OutsourcingCosts_019edf59-c225-7418-8327-1e65e61f1836_terseLabel_en-US" xlink:label="lab_bcs_OutsourcingCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Outsourcing</link:label>
    <link:label id="lab_bcs_OutsourcingCosts_label_en-US" xlink:label="lab_bcs_OutsourcingCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Outsourcing Costs</link:label>
    <link:label id="lab_bcs_OutsourcingCosts_documentation_en-US" xlink:label="lab_bcs_OutsourcingCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of costs relating to outsourcing costs.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_OutsourcingCosts" xlink:href="bcs-20260630.xsd#bcs_OutsourcingCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_OutsourcingCosts" xlink:to="lab_bcs_OutsourcingCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_USResidentialAndCommercialMortgageRelatedActivityAndLitigationMember_019edf59-c225-7a2c-bf0e-38a782fb95bc_terseLabel_en-US" xlink:label="lab_bcs_USResidentialAndCommercialMortgageRelatedActivityAndLitigationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">US residential and commercial mortgage-related activity and litigation</link:label>
    <link:label id="lab_bcs_USResidentialAndCommercialMortgageRelatedActivityAndLitigationMember_label_en-US" xlink:label="lab_bcs_USResidentialAndCommercialMortgageRelatedActivityAndLitigationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">US Residential And Commercial Mortgage-Related Activity And Litigation [Member]</link:label>
    <link:label id="lab_bcs_USResidentialAndCommercialMortgageRelatedActivityAndLitigationMember_documentation_en-US" xlink:label="lab_bcs_USResidentialAndCommercialMortgageRelatedActivityAndLitigationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Various investigations and civil litigation relating to secondary market trading of US residential mortgage-backed securities (RMBS) and US commercial mortgage-backed securities (CMBS).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_USResidentialAndCommercialMortgageRelatedActivityAndLitigationMember" xlink:href="bcs-20260630.xsd#bcs_USResidentialAndCommercialMortgageRelatedActivityAndLitigationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_USResidentialAndCommercialMortgageRelatedActivityAndLitigationMember" xlink:to="lab_bcs_USResidentialAndCommercialMortgageRelatedActivityAndLitigationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialLiabilitiesDomain_019edf59-c18f-7aa8-91e5-176ca6b74863_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Categories of financial liabilities [domain]</link:label>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialLiabilitiesDomain_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Categories of financial liabilities [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialLiabilitiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:to="lab_ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CorporateLoansMember_019edf59-c190-7ba1-818c-b3d6dbe990ab_verboseLabel_en-US" xlink:label="lab_ifrs-full_CorporateLoansMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Corporate debt</link:label>
    <link:label id="lab_ifrs-full_CorporateLoansMember_019edf59-c190-70fa-a003-63806bf11712_terseLabel_en-US" xlink:label="lab_ifrs-full_CorporateLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Corporate loans</link:label>
    <link:label id="lab_ifrs-full_CorporateLoansMember_label_en-US" xlink:label="lab_ifrs-full_CorporateLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans to corporate entities [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CorporateLoansMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CorporateLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CorporateLoansMember" xlink:to="lab_ifrs-full_CorporateLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity_019edf59-c225-7edf-9a15-d421763eecc1_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other movements</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through other changes, equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DerivativeAssetExposures_019edf59-c18f-79cf-b42d-5ae922407a15_terseLabel_en-US" xlink:label="lab_bcs_DerivativeAssetExposures" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative asset exposures</link:label>
    <link:label id="lab_bcs_DerivativeAssetExposures_label_en-US" xlink:label="lab_bcs_DerivativeAssetExposures" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Asset Exposures</link:label>
    <link:label id="lab_bcs_DerivativeAssetExposures_documentation_en-US" xlink:label="lab_bcs_DerivativeAssetExposures" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount by which derivative assets exposures would change if netting were permitted for assets and liabilities with the same counterparty or for which the entity owns collateral.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DerivativeAssetExposures" xlink:href="bcs-20260630.xsd#bcs_DerivativeAssetExposures"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_DerivativeAssetExposures" xlink:to="lab_bcs_DerivativeAssetExposures" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CommodityPriceRiskMember_019edf59-c0d6-7c5e-ad3d-87507b7b1071_terseLabel_en-US" xlink:label="lab_ifrs-full_CommodityPriceRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commodity risk</link:label>
    <link:label id="lab_ifrs-full_CommodityPriceRiskMember_label_en-US" xlink:label="lab_ifrs-full_CommodityPriceRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commodity price risk [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CommodityPriceRiskMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CommodityPriceRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CommodityPriceRiskMember" xlink:to="lab_ifrs-full_CommodityPriceRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory_019edf59-c225-7fc9-956f-cf66e193994d_verboseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Related party transactions</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of related party [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfRelatedPartyExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:to="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_TransitionalAtOneCapitalMember_019edf59-c225-7add-a798-fe59d2abe401_terseLabel_en-US" xlink:label="lab_bcs_TransitionalAtOneCapitalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">AT1 capital</link:label>
    <link:label id="lab_bcs_TransitionalAtOneCapitalMember_label_en-US" xlink:label="lab_bcs_TransitionalAtOneCapitalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transitional At One capital [member]</link:label>
    <link:label id="lab_bcs_TransitionalAtOneCapitalMember_documentation_en-US" xlink:label="lab_bcs_TransitionalAtOneCapitalMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the transitional A Tier 1 regulatory capital on the entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_TransitionalAtOneCapitalMember" xlink:href="bcs-20260630.xsd#bcs_TransitionalAtOneCapitalMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_TransitionalAtOneCapitalMember" xlink:to="lab_bcs_TransitionalAtOneCapitalMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialAssetsDomain_019edf59-c18f-7e83-b6ec-c140afe40363_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of financial assets [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfFinancialAssetsDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of financial assets [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialAssetsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="lab_ifrs-full_ClassesOfFinancialAssetsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare_019edf59-c0d6-7589-ba10-cf68bb537cc9_verboseLabel_en-US" xlink:label="lab_ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Interim dividends, per share (in GBP per share)</link:label>
    <link:label id="lab_ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare_label_en-US" xlink:label="lab_ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends proposed or declared before financial statements authorised for issue but not recognised as distribution to owners per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare" xlink:to="lab_ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_AdjustmentToRetainedEarningsForForeseeableOtherEquityCoupons_019edf59-c18f-7eaf-afe4-da28d03991c7_terseLabel_en-US" xlink:label="lab_bcs_AdjustmentToRetainedEarningsForForeseeableOtherEquityCoupons" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustment to retained earnings for foreseeable other equity coupons</link:label>
    <link:label id="lab_bcs_AdjustmentToRetainedEarningsForForeseeableOtherEquityCoupons_label_en-US" xlink:label="lab_bcs_AdjustmentToRetainedEarningsForForeseeableOtherEquityCoupons" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustment To Retained Earnings For Foreseeable Other Equity Coupons</link:label>
    <link:label id="lab_bcs_AdjustmentToRetainedEarningsForForeseeableOtherEquityCoupons_documentation_en-US" xlink:label="lab_bcs_AdjustmentToRetainedEarningsForForeseeableOtherEquityCoupons" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustment To Retained Earnings For Foreseeable Other Equity Coupons</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_AdjustmentToRetainedEarningsForForeseeableOtherEquityCoupons" xlink:href="bcs-20260630.xsd#bcs_AdjustmentToRetainedEarningsForForeseeableOtherEquityCoupons"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_AdjustmentToRetainedEarningsForForeseeableOtherEquityCoupons" xlink:to="lab_bcs_AdjustmentToRetainedEarningsForForeseeableOtherEquityCoupons" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_TotalNumberOfEconomicScenariosToCalculateECL_019edf59-c190-7078-b9be-b6ddaba63e44_terseLabel_en-US" xlink:label="lab_bcs_TotalNumberOfEconomicScenariosToCalculateECL" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of economic scenarios</link:label>
    <link:label id="lab_bcs_TotalNumberOfEconomicScenariosToCalculateECL_label_en-US" xlink:label="lab_bcs_TotalNumberOfEconomicScenariosToCalculateECL" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Number Of Economic Scenarios To Calculate ECL</link:label>
    <link:label id="lab_bcs_TotalNumberOfEconomicScenariosToCalculateECL_documentation_en-US" xlink:label="lab_bcs_TotalNumberOfEconomicScenariosToCalculateECL" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total Number Of Economic Scenarios To Calculate ECL</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_TotalNumberOfEconomicScenariosToCalculateECL" xlink:href="bcs-20260630.xsd#bcs_TotalNumberOfEconomicScenariosToCalculateECL"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_TotalNumberOfEconomicScenariosToCalculateECL" xlink:to="lab_bcs_TotalNumberOfEconomicScenariosToCalculateECL" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_PreManagementAdjustmentsMember_019edf59-c18f-775d-89a0-21cc9bbc878b_terseLabel_en-US" xlink:label="lab_bcs_PreManagementAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impairment allowance pre management adjustments</link:label>
    <link:label id="lab_bcs_PreManagementAdjustmentsMember_label_en-US" xlink:label="lab_bcs_PreManagementAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pre-Management Adjustments [Member]</link:label>
    <link:label id="lab_bcs_PreManagementAdjustmentsMember_documentation_en-US" xlink:label="lab_bcs_PreManagementAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Pre-Management Adjustments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_PreManagementAdjustmentsMember" xlink:href="bcs-20260630.xsd#bcs_PreManagementAdjustmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_PreManagementAdjustmentsMember" xlink:to="lab_bcs_PreManagementAdjustmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_RmbsRepurchaseRequestsMember_019edf59-c0d6-7fe1-9aeb-4e4b51242725_terseLabel_en-US" xlink:label="lab_bcs_RmbsRepurchaseRequestsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">RMBS repurchase requests</link:label>
    <link:label id="lab_bcs_RmbsRepurchaseRequestsMember_label_en-US" xlink:label="lab_bcs_RmbsRepurchaseRequestsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">RMBS Repurchase Requests [Member]</link:label>
    <link:label id="lab_bcs_RmbsRepurchaseRequestsMember_documentation_en-US" xlink:label="lab_bcs_RmbsRepurchaseRequestsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for various US residential mortgage-backed securities loan-level representations and warranties (R&amp;Ws).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_RmbsRepurchaseRequestsMember" xlink:href="bcs-20260630.xsd#bcs_RmbsRepurchaseRequestsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_RmbsRepurchaseRequestsMember" xlink:to="lab_bcs_RmbsRepurchaseRequestsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill_019fa036-b6d3-7cb2-92cb-abeb128d2fc6_terseLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impairment loss recognised in profit or loss, intangible assets and goodwill</link:label>
    <link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill_label_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment loss recognised in profit or loss, intangible assets and goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" xlink:to="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_PerformanceGuaranteesAcceptancesAndEndorsementsMember_019edf59-c18f-7420-8ac4-7fae5f0b67e1_terseLabel_en-US" xlink:label="lab_bcs_PerformanceGuaranteesAcceptancesAndEndorsementsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Performance guarantees, acceptances and endorsements</link:label>
    <link:label id="lab_bcs_PerformanceGuaranteesAcceptancesAndEndorsementsMember_label_en-US" xlink:label="lab_bcs_PerformanceGuaranteesAcceptancesAndEndorsementsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Performance Guarantees, Acceptances And Endorsements [Member]</link:label>
    <link:label id="lab_bcs_PerformanceGuaranteesAcceptancesAndEndorsementsMember_documentation_en-US" xlink:label="lab_bcs_PerformanceGuaranteesAcceptancesAndEndorsementsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for performance guarantees, acceptances and endorsements.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_PerformanceGuaranteesAcceptancesAndEndorsementsMember" xlink:href="bcs-20260630.xsd#bcs_PerformanceGuaranteesAcceptancesAndEndorsementsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_PerformanceGuaranteesAcceptancesAndEndorsementsMember" xlink:to="lab_bcs_PerformanceGuaranteesAcceptancesAndEndorsementsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IssuesFairValueMeasurementAssets_019edf59-c0d6-78ba-be16-6306f3302d26_terseLabel_en-US" xlink:label="lab_ifrs-full_IssuesFairValueMeasurementAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issues, fair value measurement, assets</link:label>
    <link:label id="lab_ifrs-full_IssuesFairValueMeasurementAssets_label_en-US" xlink:label="lab_ifrs-full_IssuesFairValueMeasurementAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issues, fair value measurement, assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IssuesFairValueMeasurementAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IssuesFairValueMeasurementAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IssuesFairValueMeasurementAssets" xlink:to="lab_ifrs-full_IssuesFairValueMeasurementAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfFinancialAssetsDomain_019edf59-c190-7c87-8874-833a0d8b1986_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfFinancialAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of financial assets [domain]</link:label>
    <link:label id="lab_ifrs-full_TypesOfFinancialAssetsDomain_label_en-US" xlink:label="lab_ifrs-full_TypesOfFinancialAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of financial assets [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfFinancialAssetsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfFinancialAssetsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfFinancialAssetsDomain" xlink:to="lab_ifrs-full_TypesOfFinancialAssetsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradingIncomeExpense_019edf59-c225-7873-985a-d341c9cacab8_terseLabel_en-US" xlink:label="lab_ifrs-full_TradingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net trading income</link:label>
    <link:label id="lab_ifrs-full_TradingIncomeExpense_019edf59-c225-736b-b927-34eb4c56331f_verboseLabel_en-US" xlink:label="lab_ifrs-full_TradingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Trading income</link:label>
    <link:label id="lab_ifrs-full_TradingIncomeExpense_label_en-US" xlink:label="lab_ifrs-full_TradingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trading income (expense)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradingIncomeExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradingIncomeExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradingIncomeExpense" xlink:to="lab_ifrs-full_TradingIncomeExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Level3OfFairValueHierarchyMember_019edf59-c225-7af5-9889-814733c962ad_terseLabel_en-US" xlink:label="lab_ifrs-full_Level3OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Significant unobservable inputs (Level 3)</link:label>
    <link:label id="lab_ifrs-full_Level3OfFairValueHierarchyMember_label_en-US" xlink:label="lab_ifrs-full_Level3OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Level 3 of fair value hierarchy [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Level3OfFairValueHierarchyMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Level3OfFairValueHierarchyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Level3OfFairValueHierarchyMember" xlink:to="lab_ifrs-full_Level3OfFairValueHierarchyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_SalesFairValueMeasurementAssetsLiabilitiesNet_019edf59-c225-7516-8ec6-f7743767fcc6_negatedTerseLabel_en-US" xlink:label="lab_bcs_SalesFairValueMeasurementAssetsLiabilitiesNet" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Sales, fair value measurement, assets (liabilities) net</link:label>
    <link:label id="lab_bcs_SalesFairValueMeasurementAssetsLiabilitiesNet_label_en-US" xlink:label="lab_bcs_SalesFairValueMeasurementAssetsLiabilitiesNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sales, Fair Value Measurement, Assets (Liabilities), Net</link:label>
    <link:label id="lab_bcs_SalesFairValueMeasurementAssetsLiabilitiesNet_documentation_en-US" xlink:label="lab_bcs_SalesFairValueMeasurementAssetsLiabilitiesNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The decrease in the fair value measurement of assets and liabilities resulting from sales of those assets and liabilities. [Refer: At fair value [member]]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_SalesFairValueMeasurementAssetsLiabilitiesNet" xlink:href="bcs-20260630.xsd#bcs_SalesFairValueMeasurementAssetsLiabilitiesNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_SalesFairValueMeasurementAssetsLiabilitiesNet" xlink:to="lab_bcs_SalesFairValueMeasurementAssetsLiabilitiesNet" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_IssueAndRedemptionOfOtherEquityInstruments_019edf59-c18f-704d-9f69-c4d318816ee5_terseLabel_en-US" xlink:label="lab_bcs_IssueAndRedemptionOfOtherEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issue and redemption of other equity instruments</link:label>
    <link:label id="lab_bcs_IssueAndRedemptionOfOtherEquityInstruments_label_en-US" xlink:label="lab_bcs_IssueAndRedemptionOfOtherEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issue And Redemption Of Other Equity Instruments</link:label>
    <link:label id="lab_bcs_IssueAndRedemptionOfOtherEquityInstruments_documentation_en-US" xlink:label="lab_bcs_IssueAndRedemptionOfOtherEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in equity resulting from the issue and exchange of other equity instruments. [Refer: Equity]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_IssueAndRedemptionOfOtherEquityInstruments" xlink:href="bcs-20260630.xsd#bcs_IssueAndRedemptionOfOtherEquityInstruments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_IssueAndRedemptionOfOtherEquityInstruments" xlink:to="lab_bcs_IssueAndRedemptionOfOtherEquityInstruments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_019edf59-c18f-76ae-b764-df54de6fee3e_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employee share schemes and hedging thereof</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through share-based payment transactions, equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GoodwillRecognisedAsOfAcquisitionDate_019f5a78-c5a5-7f9b-b47c-bb3e692528c9_terseLabel_en-US" xlink:label="lab_ifrs-full_GoodwillRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill recognised as of acquisition date</link:label>
    <link:label id="lab_ifrs-full_GoodwillRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_ifrs-full_GoodwillRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill recognised as of acquisition date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GoodwillRecognisedAsOfAcquisitionDate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GoodwillRecognisedAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GoodwillRecognisedAsOfAcquisitionDate" xlink:to="lab_ifrs-full_GoodwillRecognisedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ValueAtRisk_019edf59-c18f-7f83-9757-a148bf3d010f_terseLabel_en-US" xlink:label="lab_ifrs-full_ValueAtRisk" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Value at risk</link:label>
    <link:label id="lab_ifrs-full_ValueAtRisk_label_en-US" xlink:label="lab_ifrs-full_ValueAtRisk" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Value at risk</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ValueAtRisk" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ValueAtRisk"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ValueAtRisk" xlink:to="lab_ifrs-full_ValueAtRisk" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_HedgesOfNetInvestmentInForeignOperationsMember_019edf59-c225-7b74-ac6a-2da21dd2ddc0_terseLabel_en-US" xlink:label="lab_ifrs-full_HedgesOfNetInvestmentInForeignOperationsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivatives designated as hedges of net investments</link:label>
    <link:label id="lab_ifrs-full_HedgesOfNetInvestmentInForeignOperationsMember_label_en-US" xlink:label="lab_ifrs-full_HedgesOfNetInvestmentInForeignOperationsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedges of net investment in foreign operations [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_HedgesOfNetInvestmentInForeignOperationsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_HedgesOfNetInvestmentInForeignOperationsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_HedgesOfNetInvestmentInForeignOperationsMember" xlink:to="lab_ifrs-full_HedgesOfNetInvestmentInForeignOperationsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable_019edf59-c18f-7b91-a8cf-0dd1aee7c446_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of classes of share capital [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of classes of share capital [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:to="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation_019edf59-c18f-73e2-8023-8cb043e4a2d9_verboseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Currency translation movements</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income, net of tax, exchange differences on translation of foreign operations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInFairValueMeasurementLiabilitiesAbstract_019ef4ad-497c-740f-8074-6575e8ca4bc0_terseLabel_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInFairValueMeasurementLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of changes in fair value measurement, liabilities [abstract]</link:label>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInFairValueMeasurementLiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInFairValueMeasurementLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reconciliation of changes in fair value measurement, liabilities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReconciliationOfChangesInFairValueMeasurementLiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReconciliationOfChangesInFairValueMeasurementLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReconciliationOfChangesInFairValueMeasurementLiabilitiesAbstract" xlink:to="lab_ifrs-full_ReconciliationOfChangesInFairValueMeasurementLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DecreaseThroughWriteoffFinancialAssets_019edf59-c18f-7a68-a719-6f8c4207faf7_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_DecreaseThroughWriteoffFinancialAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Write-offs</link:label>
    <link:label id="lab_ifrs-full_DecreaseThroughWriteoffFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_DecreaseThroughWriteoffFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease through write-off, financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DecreaseThroughWriteoffFinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DecreaseThroughWriteoffFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DecreaseThroughWriteoffFinancialAssets" xlink:to="lab_ifrs-full_DecreaseThroughWriteoffFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LoansAndAdvancesAtAmortisedCost_019edf59-c0d6-7ea2-b14e-25f1fe6a1d92_terseLabel_en-US" xlink:label="lab_ifrs-full_LoansAndAdvancesAtAmortisedCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and advances at amortised cost</link:label>
    <link:label id="lab_ifrs-full_LoansAndAdvancesAtAmortisedCost_label_en-US" xlink:label="lab_ifrs-full_LoansAndAdvancesAtAmortisedCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans and advances at amortised cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LoansAndAdvancesAtAmortisedCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LoansAndAdvancesAtAmortisedCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LoansAndAdvancesAtAmortisedCost" xlink:to="lab_ifrs-full_LoansAndAdvancesAtAmortisedCost" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SegmentConsolidationItemsDomain_019edf59-c0d6-78c2-86c2-1b8091ce7731_terseLabel_en-US" xlink:label="lab_ifrs-full_SegmentConsolidationItemsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment consolidation items [domain]</link:label>
    <link:label id="lab_ifrs-full_SegmentConsolidationItemsDomain_label_en-US" xlink:label="lab_ifrs-full_SegmentConsolidationItemsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment consolidation items [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SegmentConsolidationItemsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentConsolidationItemsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SegmentConsolidationItemsDomain" xlink:to="lab_ifrs-full_SegmentConsolidationItemsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_NetAssetsLiabilitiesAtFairValueThroughProfitOrLossCategoryOtherIncomeMember_019edf59-c225-77c3-9bf1-172fb05479a6_terseLabel_en-US" xlink:label="lab_bcs_NetAssetsLiabilitiesAtFairValueThroughProfitOrLossCategoryOtherIncomeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net assets (liabilities) at fair value through profit or loss, category other income</link:label>
    <link:label id="lab_bcs_NetAssetsLiabilitiesAtFairValueThroughProfitOrLossCategoryOtherIncomeMember_label_en-US" xlink:label="lab_bcs_NetAssetsLiabilitiesAtFairValueThroughProfitOrLossCategoryOtherIncomeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Assets (Liabilities) At Fair Value Through Profit Or Loss, Category Other Income [Member]</link:label>
    <link:label id="lab_bcs_NetAssetsLiabilitiesAtFairValueThroughProfitOrLossCategoryOtherIncomeMember_documentation_en-US" xlink:label="lab_bcs_NetAssetsLiabilitiesAtFairValueThroughProfitOrLossCategoryOtherIncomeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the net assets (liabilities) at fair value through profit or loss category, located in other income. [Refer: Financial liabilities at fair value through profit or loss]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_NetAssetsLiabilitiesAtFairValueThroughProfitOrLossCategoryOtherIncomeMember" xlink:href="bcs-20260630.xsd#bcs_NetAssetsLiabilitiesAtFairValueThroughProfitOrLossCategoryOtherIncomeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_NetAssetsLiabilitiesAtFairValueThroughProfitOrLossCategoryOtherIncomeMember" xlink:to="lab_bcs_NetAssetsLiabilitiesAtFairValueThroughProfitOrLossCategoryOtherIncomeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LiabilitiesMeasuredAtFairValueAndIssuedWithInseparableThirdpartyCreditEnhancementAxis_019edf59-c0d6-73cb-8230-5acf05c403f5_terseLabel_en-US" xlink:label="lab_ifrs-full_LiabilitiesMeasuredAtFairValueAndIssuedWithInseparableThirdpartyCreditEnhancementAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities measured at fair value and issued with inseparable third-party credit enhancement [axis]</link:label>
    <link:label id="lab_ifrs-full_LiabilitiesMeasuredAtFairValueAndIssuedWithInseparableThirdpartyCreditEnhancementAxis_label_en-US" xlink:label="lab_ifrs-full_LiabilitiesMeasuredAtFairValueAndIssuedWithInseparableThirdpartyCreditEnhancementAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities measured at fair value and issued with inseparable third-party credit enhancement [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiabilitiesMeasuredAtFairValueAndIssuedWithInseparableThirdpartyCreditEnhancementAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LiabilitiesMeasuredAtFairValueAndIssuedWithInseparableThirdpartyCreditEnhancementAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilitiesMeasuredAtFairValueAndIssuedWithInseparableThirdpartyCreditEnhancementAxis" xlink:to="lab_ifrs-full_LiabilitiesMeasuredAtFairValueAndIssuedWithInseparableThirdpartyCreditEnhancementAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_ReverseRepurchaseAndRepurchaseAgreementsMember_019ef45b-8187-718f-b19c-d01906ed886c_verboseLabel_en-US" xlink:label="lab_bcs_ReverseRepurchaseAndRepurchaseAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Reverse repurchase and repurchase agreements</link:label>
    <link:label id="lab_bcs_ReverseRepurchaseAndRepurchaseAgreementsMember_label_en-US" xlink:label="lab_bcs_ReverseRepurchaseAndRepurchaseAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reverse Repurchase And Repurchase Agreements [Member]</link:label>
    <link:label id="lab_bcs_ReverseRepurchaseAndRepurchaseAgreementsMember_documentation_en-US" xlink:label="lab_bcs_ReverseRepurchaseAndRepurchaseAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for securities purchased under resale agreements, securities sold under repurchase agreements, and other similar secured lending agreements.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_ReverseRepurchaseAndRepurchaseAgreementsMember" xlink:href="bcs-20260630.xsd#bcs_ReverseRepurchaseAndRepurchaseAgreementsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_ReverseRepurchaseAndRepurchaseAgreementsMember" xlink:to="lab_bcs_ReverseRepurchaseAndRepurchaseAgreementsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems_019edf59-c225-7a7d-b0d2-2947217b1f0d_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of disaggregation of revenue from contracts with customers [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of disaggregation of revenue from contracts with customers [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:to="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherGainsLosses_019edf59-c225-76d7-8f51-e26886e41f62_verboseLabel_en-US" xlink:label="lab_ifrs-full_OtherGainsLosses" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other net income</link:label>
    <link:label id="lab_ifrs-full_OtherGainsLosses_label_en-US" xlink:label="lab_ifrs-full_OtherGainsLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other gains (losses)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherGainsLosses" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherGainsLosses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherGainsLosses" xlink:to="lab_ifrs-full_OtherGainsLosses" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NotLaterThanOneMonthMember_019edf59-c0d6-79db-869a-e8e12f9422e3_terseLabel_en-US" xlink:label="lab_ifrs-full_NotLaterThanOneMonthMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Not later than 30 days past due</link:label>
    <link:label id="lab_ifrs-full_NotLaterThanOneMonthMember_label_en-US" xlink:label="lab_ifrs-full_NotLaterThanOneMonthMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Not later than one month [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NotLaterThanOneMonthMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NotLaterThanOneMonthMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NotLaterThanOneMonthMember" xlink:to="lab_ifrs-full_NotLaterThanOneMonthMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_BasisRiskMember_019edf59-c18f-7bd3-ba32-552347128bea_terseLabel_en-US" xlink:label="lab_bcs_BasisRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basis risk</link:label>
    <link:label id="lab_bcs_BasisRiskMember_label_en-US" xlink:label="lab_bcs_BasisRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basis Risk [Member]</link:label>
    <link:label id="lab_bcs_BasisRiskMember_documentation_en-US" xlink:label="lab_bcs_BasisRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the basis risk factor.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_BasisRiskMember" xlink:href="bcs-20260630.xsd#bcs_BasisRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_BasisRiskMember" xlink:to="lab_bcs_BasisRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleTableTextBlock_019edf59-c225-76c8-a51e-5f004f94b00f_terseLabel_en-US" xlink:label="lab_bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of assets and liabilities classified as held for sale</link:label>
    <link:label id="lab_bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleTableTextBlock_label_en-US" xlink:label="lab_bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Assets And Liabilities Classified As Held For Sale [Table Text Block]</link:label>
    <link:label id="lab_bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleTableTextBlock_documentation_en-US" xlink:label="lab_bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Assets And Liabilities Classified As Held For Sale</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleTableTextBlock" xlink:href="bcs-20260630.xsd#bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleTableTextBlock" xlink:to="lab_bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MajorOrdinaryShareTransactionsMember_019edf59-c18f-7c01-991d-98f749243629_terseLabel_en-US" xlink:label="lab_ifrs-full_MajorOrdinaryShareTransactionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share buyback</link:label>
    <link:label id="lab_ifrs-full_MajorOrdinaryShareTransactionsMember_label_en-US" xlink:label="lab_ifrs-full_MajorOrdinaryShareTransactionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Major ordinary share transactions [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MajorOrdinaryShareTransactionsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MajorOrdinaryShareTransactionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MajorOrdinaryShareTransactionsMember" xlink:to="lab_ifrs-full_MajorOrdinaryShareTransactionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_BdcFinanceLlcMember_019edf59-c225-7f9b-a3a4-88414c9ef904_terseLabel_en-US" xlink:label="lab_bcs_BdcFinanceLlcMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BDC Finance LLC</link:label>
    <link:label id="lab_bcs_BdcFinanceLlcMember_label_en-US" xlink:label="lab_bcs_BdcFinanceLlcMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BDC Finance LLC [member]</link:label>
    <link:label id="lab_bcs_BdcFinanceLlcMember_documentation_en-US" xlink:label="lab_bcs_BdcFinanceLlcMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BDC Finance L.L.C. (BDC) has filed a complaint against Barclays Bank PLC alleging breach of contract in connection with a portfolio of total return swaps governed by an ISDA Master Agreement (collectively, the Agreement).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_BdcFinanceLlcMember" xlink:href="bcs-20260630.xsd#bcs_BdcFinanceLlcMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_BdcFinanceLlcMember" xlink:to="lab_bcs_BdcFinanceLlcMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract_label_en-US" xlink:label="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current assets or disposal groups classified as held for sale or as held for distribution to owners [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract" xlink:to="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PastDueStatusAxis_019edf59-c18f-76e1-9b2e-ab559b61a4d0_terseLabel_en-US" xlink:label="lab_ifrs-full_PastDueStatusAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Past due status [axis]</link:label>
    <link:label id="lab_ifrs-full_PastDueStatusAxis_label_en-US" xlink:label="lab_ifrs-full_PastDueStatusAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Past due status [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PastDueStatusAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PastDueStatusAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PastDueStatusAxis" xlink:to="lab_ifrs-full_PastDueStatusAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialAssetsAbstract_019edf59-c225-7400-8163-7009542427d3_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets</link:label>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialAssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Categories of financial assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfFinancialAssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfFinancialAssetsAbstract" xlink:to="lab_ifrs-full_CategoriesOfFinancialAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherEquityInterestMember_019edf59-c190-74d7-b3c2-dacb5ebcd733_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherEquityInterestMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other equity instruments</link:label>
    <link:label id="lab_ifrs-full_OtherEquityInterestMember_label_en-US" xlink:label="lab_ifrs-full_OtherEquityInterestMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other equity interest [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherEquityInterestMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherEquityInterestMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherEquityInterestMember" xlink:to="lab_ifrs-full_OtherEquityInterestMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_019edf59-c18f-7feb-afb5-c6056e3d49fa_terseLabel_en-US" xlink:label="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effect of exchange rates on cash and cash equivalents</link:label>
    <link:label id="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effect of exchange rate changes on cash and cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:to="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxDueToFairValueHedging_019edfa2-5b17-72c0-928f-dcb2528491c1_negatedTerseLabel_en-US" xlink:label="lab_bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxDueToFairValueHedging" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Net gains/(losses) due to fair value hedging</link:label>
    <link:label id="lab_bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxDueToFairValueHedging_label_en-US" xlink:label="lab_bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxDueToFairValueHedging" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reclassification Adjustments On Financial Assets Measured At Fair Value Through Other Comprehensive Income, Before Tax, Due To Fair Value Hedging</link:label>
    <link:label id="lab_bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxDueToFairValueHedging_documentation_en-US" xlink:label="lab_bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxDueToFairValueHedging" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of reclassification adjustments due to impairment of financial assets measured at fair value through other comprehensive income, before tax. Reclassification adjustments are amounts reclassified to profit (loss) in the current period that were recognised in other comprehensive income in the current or previous periods. [Refer: Financial assets measured at fair value through other comprehensive income; Other comprehensive income]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxDueToFairValueHedging" xlink:href="bcs-20260630.xsd#bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxDueToFairValueHedging"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxDueToFairValueHedging" xlink:to="lab_bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxDueToFairValueHedging" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities_019edf59-c190-7f36-8c25-4da333b1b92f_totalLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash from operating activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) operating activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_StandbyFacilitiesCreditLinesAndOtherCommitmentsMember_019edf59-c18f-77bd-8a13-f1d6570d3d04_terseLabel_en-US" xlink:label="lab_bcs_StandbyFacilitiesCreditLinesAndOtherCommitmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Standby facilities, credit lines and other commitments</link:label>
    <link:label id="lab_bcs_StandbyFacilitiesCreditLinesAndOtherCommitmentsMember_label_en-US" xlink:label="lab_bcs_StandbyFacilitiesCreditLinesAndOtherCommitmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Standby Facilities, Credit Lines And Other Commitments [Member]</link:label>
    <link:label id="lab_bcs_StandbyFacilitiesCreditLinesAndOtherCommitmentsMember_documentation_en-US" xlink:label="lab_bcs_StandbyFacilitiesCreditLinesAndOtherCommitmentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for standby facilities, credit lines and other commitments including forward starting reverse repurchase agreements.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_StandbyFacilitiesCreditLinesAndOtherCommitmentsMember" xlink:href="bcs-20260630.xsd#bcs_StandbyFacilitiesCreditLinesAndOtherCommitmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_StandbyFacilitiesCreditLinesAndOtherCommitmentsMember" xlink:to="lab_bcs_StandbyFacilitiesCreditLinesAndOtherCommitmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsTable_019edf59-c18f-7737-8f53-fe5425dbd292_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about financial instruments [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about financial instruments [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:to="lab_ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GeographicalAreasDomain_019edf59-c190-77f7-8ccd-8923c68b5c15_terseLabel_en-US" xlink:label="lab_ifrs-full_GeographicalAreasDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Geographical areas [domain]</link:label>
    <link:label id="lab_ifrs-full_GeographicalAreasDomain_label_en-US" xlink:label="lab_ifrs-full_GeographicalAreasDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Geographical areas [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GeographicalAreasDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GeographicalAreasDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GeographicalAreasDomain" xlink:to="lab_ifrs-full_GeographicalAreasDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentFiscalYearFocus_019edf59-c18f-7421-bb9c-2fd76a7de464_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Fiscal Year Focus</link:label>
    <link:label id="lab_dei_DocumentFiscalYearFocus_label_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Fiscal Year Focus</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentFiscalYearFocus"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalYearFocus" xlink:to="lab_dei_DocumentFiscalYearFocus" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory_019edf59-c190-7a35-8ef9-9d05cc45032d_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of own funds and eligible liabilities</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of financial risk management [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialRiskManagementExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiabilityMember_019ef4f8-64db-76aa-9bff-cad2621d97d8_verboseLabel_en-US" xlink:label="lab_ifrs-full_ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiabilityMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Own credit reserve</link:label>
    <link:label id="lab_ifrs-full_ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiabilityMember_label_en-US" xlink:label="lab_ifrs-full_ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiabilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reserve of change in fair value of financial liability attributable to change in credit risk of liability [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiabilityMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiabilityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiabilityMember" xlink:to="lab_ifrs-full_ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiabilityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DecreaseInFairValueMeasurementDueToChangeInOneOrMoreUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsAssetsLiabilities_019edf59-c225-70a1-a681-3d814ed16b95_terseLabel_en-US" xlink:label="lab_bcs_DecreaseInFairValueMeasurementDueToChangeInOneOrMoreUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Decrease in fair value measurement due to change in one or more unobservable inputs to reflect reasonably possible alternative assumptions, assets (liabilities)</link:label>
    <link:label id="lab_bcs_DecreaseInFairValueMeasurementDueToChangeInOneOrMoreUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsAssetsLiabilities_label_en-US" xlink:label="lab_bcs_DecreaseInFairValueMeasurementDueToChangeInOneOrMoreUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease In Fair Value Measurement Due To Change In One Or More Unobservable Inputs To Reflect Reasonably Possible Alternative Assumptions, Assets (Liabilities)</link:label>
    <link:label id="lab_bcs_DecreaseInFairValueMeasurementDueToChangeInOneOrMoreUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsAssetsLiabilities_documentation_en-US" xlink:label="lab_bcs_DecreaseInFairValueMeasurementDueToChangeInOneOrMoreUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of decrease in the fair value measurement of assets and liabilities due to a change in one or more unobservable inputs to reflect reasonably possible alternative assumptions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DecreaseInFairValueMeasurementDueToChangeInOneOrMoreUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsAssetsLiabilities" xlink:href="bcs-20260630.xsd#bcs_DecreaseInFairValueMeasurementDueToChangeInOneOrMoreUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsAssetsLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_DecreaseInFairValueMeasurementDueToChangeInOneOrMoreUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsAssetsLiabilities" xlink:to="lab_bcs_DecreaseInFairValueMeasurementDueToChangeInOneOrMoreUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsAssetsLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DerivativeFinancialAssetsMember_019edf59-c225-7373-a17f-28b67332a289_terseLabel_en-US" xlink:label="lab_bcs_DerivativeFinancialAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative financial assets</link:label>
    <link:label id="lab_bcs_DerivativeFinancialAssetsMember_label_en-US" xlink:label="lab_bcs_DerivativeFinancialAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Financial Assets [Member]</link:label>
    <link:label id="lab_bcs_DerivativeFinancialAssetsMember_documentation_en-US" xlink:label="lab_bcs_DerivativeFinancialAssetsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for derivative financial assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DerivativeFinancialAssetsMember" xlink:href="bcs-20260630.xsd#bcs_DerivativeFinancialAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_DerivativeFinancialAssetsMember" xlink:to="lab_bcs_DerivativeFinancialAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities_019edf59-c18f-7f88-a778-190f6ea58e6a_negatedLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Corporate income tax paid</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities_label_en-US" xlink:label="lab_ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income taxes paid, classified as operating activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities" xlink:to="lab_ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExpectedCreditLossesIndividuallyAssessedMember_019edf59-c18f-7e5d-98e7-a91616b6bbb5_terseLabel_en-US" xlink:label="lab_ifrs-full_ExpectedCreditLossesIndividuallyAssessedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Individually assessed impairments</link:label>
    <link:label id="lab_ifrs-full_ExpectedCreditLossesIndividuallyAssessedMember_019edf59-c18f-7389-8bdd-b65204a411d9_verboseLabel_en-US" xlink:label="lab_ifrs-full_ExpectedCreditLossesIndividuallyAssessedMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">ECL from individually assessed impairments</link:label>
    <link:label id="lab_ifrs-full_ExpectedCreditLossesIndividuallyAssessedMember_label_en-US" xlink:label="lab_ifrs-full_ExpectedCreditLossesIndividuallyAssessedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected credit losses individually assessed [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExpectedCreditLossesIndividuallyAssessedMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExpectedCreditLossesIndividuallyAssessedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpectedCreditLossesIndividuallyAssessedMember" xlink:to="lab_ifrs-full_ExpectedCreditLossesIndividuallyAssessedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LevelsOfFairValueHierarchyAxis_019edf59-c18f-72dd-b39e-584bddd68b96_terseLabel_en-US" xlink:label="lab_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Levels of fair value hierarchy [axis]</link:label>
    <link:label id="lab_ifrs-full_LevelsOfFairValueHierarchyAxis_label_en-US" xlink:label="lab_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Levels of fair value hierarchy [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:to="lab_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EquityAttributableToOwnersOfParentMember_019edf59-c0d6-7c93-a221-74b7cad4940e_terseLabel_en-US" xlink:label="lab_ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_ifrs-full_EquityAttributableToOwnersOfParentMember_label_en-US" xlink:label="lab_ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity attributable to owners of parent [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAttributableToOwnersOfParentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:to="lab_ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfInterestRatesDomain_019edf59-c18f-732c-8b50-f37a9cc26fae_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfInterestRatesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of interest rates [domain]</link:label>
    <link:label id="lab_ifrs-full_TypesOfInterestRatesDomain_label_en-US" xlink:label="lab_ifrs-full_TypesOfInterestRatesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of interest rates [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfInterestRatesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfInterestRatesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfInterestRatesDomain" xlink:to="lab_ifrs-full_TypesOfInterestRatesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsDomain_019edf59-c18f-74d7-b0a3-ead072974513_terseLabel_en-US" xlink:label="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Individual assets or cash-generating units [domain]</link:label>
    <link:label id="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsDomain_label_en-US" xlink:label="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Individual assets or cash-generating units [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IndividualAssetsOrCashgeneratingUnitsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IndividualAssetsOrCashgeneratingUnitsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IndividualAssetsOrCashgeneratingUnitsDomain" xlink:to="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInFinancialAssets_019edf59-c18f-74b5-aa8f-9b73665cb9ef_negatedLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInFinancialAssets" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">ECL movement</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInFinancialAssets_019fa086-4b14-7194-bfc0-a5fff4f9b725_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase (decrease) in financial assets</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInFinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInFinancialAssets" xlink:to="lab_ifrs-full_IncreaseDecreaseInFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfProvisionsAxis_019edf59-c18f-7bba-b87a-dcc3aff2c0d7_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfProvisionsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of other provisions [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfProvisionsAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfProvisionsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of other provisions [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfProvisionsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfProvisionsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfProvisionsAxis" xlink:to="lab_ifrs-full_ClassesOfProvisionsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyLiabilities_019ef45f-47ae-74c5-b85e-63f75c9eeee5_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Transfers out of Level 2 into Level 1 of fair value hierarchy, liabilities held at end of reporting period</link:label>
    <link:label id="lab_ifrs-full_TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyLiabilities_label_en-US" xlink:label="lab_ifrs-full_TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transfers out of Level 2 into Level 1 of fair value hierarchy, liabilities held at end of reporting period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyLiabilities" xlink:to="lab_ifrs-full_TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherLiabilities_019edf59-c18f-7ec5-b7a8-34fe0fa981c3_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other liabilities</link:label>
    <link:label id="lab_ifrs-full_OtherLiabilities_label_en-US" xlink:label="lab_ifrs-full_OtherLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherLiabilities" xlink:to="lab_ifrs-full_OtherLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PensionDefinedBenefitPlansMember_019edf59-c225-7b6f-b8c2-9ec5503c6318_terseLabel_en-US" xlink:label="lab_ifrs-full_PensionDefinedBenefitPlansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pension defined benefit plans</link:label>
    <link:label id="lab_ifrs-full_PensionDefinedBenefitPlansMember_label_en-US" xlink:label="lab_ifrs-full_PensionDefinedBenefitPlansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pension defined benefit plans [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PensionDefinedBenefitPlansMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PensionDefinedBenefitPlansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PensionDefinedBenefitPlansMember" xlink:to="lab_ifrs-full_PensionDefinedBenefitPlansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IssueOfConvertibleInstruments_019edf59-c18f-7740-af60-41a57e25e515_verboseLabel_en-US" xlink:label="lab_ifrs-full_IssueOfConvertibleInstruments" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Issue of convertible instruments</link:label>
    <link:label id="lab_ifrs-full_IssueOfConvertibleInstruments_label_en-US" xlink:label="lab_ifrs-full_IssueOfConvertibleInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issue of convertible instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IssueOfConvertibleInstruments" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IssueOfConvertibleInstruments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IssueOfConvertibleInstruments" xlink:to="lab_ifrs-full_IssueOfConvertibleInstruments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LoansAndAdvancesToCustomers_019edf59-c18f-76f7-a26f-764c9ffe3135_terseLabel_en-US" xlink:label="lab_ifrs-full_LoansAndAdvancesToCustomers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and advances to customers</link:label>
    <link:label id="lab_ifrs-full_LoansAndAdvancesToCustomers_label_en-US" xlink:label="lab_ifrs-full_LoansAndAdvancesToCustomers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans and advances to customers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LoansAndAdvancesToCustomers" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LoansAndAdvancesToCustomers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LoansAndAdvancesToCustomers" xlink:to="lab_ifrs-full_LoansAndAdvancesToCustomers" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_IssuedDebtMember_019edf59-c18f-72cc-855a-fe5f3eb9756f_terseLabel_en-US" xlink:label="lab_bcs_IssuedDebtMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issued debt</link:label>
    <link:label id="lab_bcs_IssuedDebtMember_label_en-US" xlink:label="lab_bcs_IssuedDebtMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issued Debt [Member]</link:label>
    <link:label id="lab_bcs_IssuedDebtMember_documentation_en-US" xlink:label="lab_bcs_IssuedDebtMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Issued Debt</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_IssuedDebtMember" xlink:href="bcs-20260630.xsd#bcs_IssuedDebtMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_IssuedDebtMember" xlink:to="lab_bcs_IssuedDebtMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_CivilActionsInRespectOfTheUSAntiTerrorismActMember_019edf59-c225-74ba-b6af-be208fe7fe31_terseLabel_en-US" xlink:label="lab_bcs_CivilActionsInRespectOfTheUSAntiTerrorismActMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Civil actions in respect of the US Anti-Terrorism Act</link:label>
    <link:label id="lab_bcs_CivilActionsInRespectOfTheUSAntiTerrorismActMember_label_en-US" xlink:label="lab_bcs_CivilActionsInRespectOfTheUSAntiTerrorismActMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Civil Actions In Respect Of The US Anti-Terrorism Act [Member]</link:label>
    <link:label id="lab_bcs_CivilActionsInRespectOfTheUSAntiTerrorismActMember_documentation_en-US" xlink:label="lab_bcs_CivilActionsInRespectOfTheUSAntiTerrorismActMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Civil complaints against Barclays Bank PLC and other banks allege engagement in a conspiracy and violation of the US Anti-Terrorism Act (ATA).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_CivilActionsInRespectOfTheUSAntiTerrorismActMember" xlink:href="bcs-20260630.xsd#bcs_CivilActionsInRespectOfTheUSAntiTerrorismActMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_CivilActionsInRespectOfTheUSAntiTerrorismActMember" xlink:to="lab_bcs_CivilActionsInRespectOfTheUSAntiTerrorismActMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GrossFinancialLiabilitiesSetOffAgainstFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements_019edf59-c225-7d15-850a-cd23ece162c6_verboseLabel_en-US" xlink:label="lab_ifrs-full_GrossFinancialLiabilitiesSetOffAgainstFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Gross financial liabilities set off against financial assets subject to offsetting, enforceable master netting arrangements or similar agreements</link:label>
    <link:label id="lab_ifrs-full_GrossFinancialLiabilitiesSetOffAgainstFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements_label_en-US" xlink:label="lab_ifrs-full_GrossFinancialLiabilitiesSetOffAgainstFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gross financial liabilities set off against financial assets subject to offsetting, enforceable master netting arrangements or similar agreements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GrossFinancialLiabilitiesSetOffAgainstFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GrossFinancialLiabilitiesSetOffAgainstFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GrossFinancialLiabilitiesSetOffAgainstFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:to="lab_ifrs-full_GrossFinancialLiabilitiesSetOffAgainstFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_CashCollateralAndSettlementsMember_019edf59-c225-7a53-83c5-e5c4d8d8d0ce_terseLabel_en-US" xlink:label="lab_bcs_CashCollateralAndSettlementsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash collateral and settlements</link:label>
    <link:label id="lab_bcs_CashCollateralAndSettlementsMember_label_en-US" xlink:label="lab_bcs_CashCollateralAndSettlementsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Collateral And Settlements [Member]</link:label>
    <link:label id="lab_bcs_CashCollateralAndSettlementsMember_documentation_en-US" xlink:label="lab_bcs_CashCollateralAndSettlementsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cash Collateral And Settlements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_CashCollateralAndSettlementsMember" xlink:href="bcs-20260630.xsd#bcs_CashCollateralAndSettlementsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_CashCollateralAndSettlementsMember" xlink:to="lab_bcs_CashCollateralAndSettlementsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember_019edf59-c0d6-7cbf-b20e-71651ebc8e8c_terseLabel_en-US" xlink:label="lab_ifrs-full_NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value</link:label>
    <link:label id="lab_ifrs-full_NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember_label_en-US" xlink:label="lab_ifrs-full_NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Not measured at fair value in statement of financial position but for which fair value is disclosed [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember" xlink:to="lab_ifrs-full_NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_OtherResourcingCostsAbstract_019edf59-c18f-74f3-9dfb-59a6762a8532_terseLabel_en-US" xlink:label="lab_bcs_OtherResourcingCostsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other resourcing costs</link:label>
    <link:label id="lab_bcs_OtherResourcingCostsAbstract_label_en-US" xlink:label="lab_bcs_OtherResourcingCostsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Resourcing Costs [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_OtherResourcingCostsAbstract" xlink:href="bcs-20260630.xsd#bcs_OtherResourcingCostsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_OtherResourcingCostsAbstract" xlink:to="lab_bcs_OtherResourcingCostsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans_019edfa2-5b17-7772-bc49-bfae476ad459_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retirement benefit remeasurements</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_IneligibleT2CapitalMember_019edf59-c225-7c32-9545-97a0de2741c9_terseLabel_en-US" xlink:label="lab_bcs_IneligibleT2CapitalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Less : Ineligible T2 capital (including minority interests) issued by subsidiaries</link:label>
    <link:label id="lab_bcs_IneligibleT2CapitalMember_label_en-US" xlink:label="lab_bcs_IneligibleT2CapitalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ineligible T2 Capital [Member]</link:label>
    <link:label id="lab_bcs_IneligibleT2CapitalMember_documentation_en-US" xlink:label="lab_bcs_IneligibleT2CapitalMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Ineligible T2 Capital</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_IneligibleT2CapitalMember" xlink:href="bcs-20260630.xsd#bcs_IneligibleT2CapitalMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_IneligibleT2CapitalMember" xlink:to="lab_bcs_IneligibleT2CapitalMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk_019edf59-c225-74d4-9ad6-d0a98cc4ef8a_terseLabel_en-US" xlink:label="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sensitivity analysis of valuations using unobservable inputs</link:label>
    <link:label id="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk_label_en-US" xlink:label="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sensitivity analysis for types of market risk [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:to="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DepositsFromBanksAtAmortisedCost_019edf59-c225-7d32-a20a-aab1bcd501fe_terseLabel_en-US" xlink:label="lab_ifrs-full_DepositsFromBanksAtAmortisedCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deposits at amortised cost from banks</link:label>
    <link:label id="lab_ifrs-full_DepositsFromBanksAtAmortisedCost_label_en-US" xlink:label="lab_ifrs-full_DepositsFromBanksAtAmortisedCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deposits from banks at amortised cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepositsFromBanksAtAmortisedCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DepositsFromBanksAtAmortisedCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepositsFromBanksAtAmortisedCost" xlink:to="lab_ifrs-full_DepositsFromBanksAtAmortisedCost" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityCentralIndexKey_019edf59-c18f-72e8-ae55-7e4d69979dc8_terseLabel_en-US" xlink:label="lab_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:label id="lab_dei_EntityCentralIndexKey_label_en-US" xlink:label="lab_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCentralIndexKey" xlink:to="lab_dei_EntityCentralIndexKey" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax_019edf59-c225-78e3-96d3-cb2c97931f49_totalLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive (loss)/income that may be recycled to profit or loss</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income that will be reclassified to profit or loss, net of tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_JuniorSecuritisationNotesGBPMember_019f6bb4-0d0f-78f0-90cc-544458576790_terseLabel_en-US" xlink:label="lab_bcs_JuniorSecuritisationNotesGBPMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Junior Securitisation Notes (GBP)</link:label>
    <link:label id="lab_bcs_JuniorSecuritisationNotesGBPMember_label_en-US" xlink:label="lab_bcs_JuniorSecuritisationNotesGBPMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Junior Securitisation Notes (GBP) [Member]</link:label>
    <link:label id="lab_bcs_JuniorSecuritisationNotesGBPMember_documentation_en-US" xlink:label="lab_bcs_JuniorSecuritisationNotesGBPMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Junior Securitisation Notes (GBP)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_JuniorSecuritisationNotesGBPMember" xlink:href="bcs-20260630.xsd#bcs_JuniorSecuritisationNotesGBPMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_JuniorSecuritisationNotesGBPMember" xlink:to="lab_bcs_JuniorSecuritisationNotesGBPMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DerivativeFinancialLiabilities_019edf59-c225-7938-902c-b9d7a54c89c4_verboseLabel_en-US" xlink:label="lab_ifrs-full_DerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Derivative financial instruments</link:label>
    <link:label id="lab_ifrs-full_DerivativeFinancialLiabilities_019edf59-c225-7f64-ac98-7acfc53f62a5_negatedLabel_en-US" xlink:label="lab_ifrs-full_DerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Derivative financial instruments</link:label>
    <link:label id="lab_ifrs-full_DerivativeFinancialLiabilities_label_en-US" xlink:label="lab_ifrs-full_DerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative financial liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DerivativeFinancialLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DerivativeFinancialLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DerivativeFinancialLiabilities" xlink:to="lab_ifrs-full_DerivativeFinancialLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CharacteristicsOfDefinedBenefitPlansAxis_019edf59-c190-7f31-bc6e-4284381a4a2d_terseLabel_en-US" xlink:label="lab_ifrs-full_CharacteristicsOfDefinedBenefitPlansAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Characteristics of defined benefit plans [axis]</link:label>
    <link:label id="lab_ifrs-full_CharacteristicsOfDefinedBenefitPlansAxis_label_en-US" xlink:label="lab_ifrs-full_CharacteristicsOfDefinedBenefitPlansAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Characteristics of defined benefit plans [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CharacteristicsOfDefinedBenefitPlansAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CharacteristicsOfDefinedBenefitPlansAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CharacteristicsOfDefinedBenefitPlansAxis" xlink:to="lab_ifrs-full_CharacteristicsOfDefinedBenefitPlansAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfessionalFeesExpense_019edf59-c18f-753b-a667-02e435fd8931_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfessionalFeesExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consultancy, legal and professional fees</link:label>
    <link:label id="lab_ifrs-full_ProfessionalFeesExpense_label_en-US" xlink:label="lab_ifrs-full_ProfessionalFeesExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Professional fees expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfessionalFeesExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfessionalFeesExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfessionalFeesExpense" xlink:to="lab_ifrs-full_ProfessionalFeesExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_OperatingIncome_019edf59-c225-7d5a-9e9f-4464698f2743_totalLabel_en-US" xlink:label="lab_bcs_OperatingIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total income</link:label>
    <link:label id="lab_bcs_OperatingIncome_label_en-US" xlink:label="lab_bcs_OperatingIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Income</link:label>
    <link:label id="lab_bcs_OperatingIncome_documentation_en-US" xlink:label="lab_bcs_OperatingIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Operating Income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_OperatingIncome" xlink:href="bcs-20260630.xsd#bcs_OperatingIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_OperatingIncome" xlink:to="lab_bcs_OperatingIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis_019edf59-c18f-74f5-8791-1768148d3526_terseLabel_en-US" xlink:label="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Valuation techniques used in fair value measurement [axis]</link:label>
    <link:label id="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis_label_en-US" xlink:label="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Valuation techniques used in fair value measurement [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:to="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_QualifyingAmericanDespositorySharesMember_019edf59-c225-7147-81f9-187807596d8f_terseLabel_en-US" xlink:label="lab_bcs_QualifyingAmericanDespositorySharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Qualifying American depository shares</link:label>
    <link:label id="lab_bcs_QualifyingAmericanDespositorySharesMember_label_en-US" xlink:label="lab_bcs_QualifyingAmericanDespositorySharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Qualifying American Despository Shares [member]</link:label>
    <link:label id="lab_bcs_QualifyingAmericanDespositorySharesMember_documentation_en-US" xlink:label="lab_bcs_QualifyingAmericanDespositorySharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for qualifying holders of securities of a foreign company that are represented by an ADR, American depositary shares (ADSs).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_QualifyingAmericanDespositorySharesMember" xlink:href="bcs-20260630.xsd#bcs_QualifyingAmericanDespositorySharesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_QualifyingAmericanDespositorySharesMember" xlink:to="lab_bcs_QualifyingAmericanDespositorySharesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_SecuritisationsAssetsMember_019ef963-e644-7e1f-a9c8-b0a275ad61b2_terseLabel_en-US" xlink:label="lab_bcs_SecuritisationsAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Securitisations Assets</link:label>
    <link:label id="lab_bcs_SecuritisationsAssetsMember_label_en-US" xlink:label="lab_bcs_SecuritisationsAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Securitisations Assets [Member]</link:label>
    <link:label id="lab_bcs_SecuritisationsAssetsMember_documentation_en-US" xlink:label="lab_bcs_SecuritisationsAssetsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Securitisations Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_SecuritisationsAssetsMember" xlink:href="bcs-20260630.xsd#bcs_SecuritisationsAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_SecuritisationsAssetsMember" xlink:to="lab_bcs_SecuritisationsAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OrdinarySharesMember_019edf59-c225-7220-baba-dcd7c18581e4_terseLabel_en-US" xlink:label="lab_ifrs-full_OrdinarySharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ordinary shares</link:label>
    <link:label id="lab_ifrs-full_OrdinarySharesMember_label_en-US" xlink:label="lab_ifrs-full_OrdinarySharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ordinary shares [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OrdinarySharesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OrdinarySharesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OrdinarySharesMember" xlink:to="lab_ifrs-full_OrdinarySharesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares_019edf59-c190-7339-acec-5e8557545a8d_terseLabel_en-US" xlink:label="lab_ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of potential ordinary shares (in shares)</link:label>
    <link:label id="lab_ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares_label_en-US" xlink:label="lab_ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dilutive effect of share options on weighted average number of ordinary shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares" xlink:to="lab_ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory_019edf59-c0d6-70e5-84dc-863023dd7017_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings per share</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of earnings per share [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfEarningsPerShareExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:to="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToAbstract_019edf59-c18f-7410-aa07-3e2ba47e545c_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Attributable to:</link:label>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToAbstract_label_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss), attributable to [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossAttributableToAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossAttributableToAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossAttributableToAbstract" xlink:to="lab_ifrs-full_ProfitLossAttributableToAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GrossCarryingAmountMember_019edf59-c18f-7de9-b602-e544d530e12d_terseLabel_en-US" xlink:label="lab_ifrs-full_GrossCarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gross exposure</link:label>
    <link:label id="lab_ifrs-full_GrossCarryingAmountMember_019edf59-c18f-7d93-bf18-3e1073f78816_verboseLabel_en-US" xlink:label="lab_ifrs-full_GrossCarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Carrying amount</link:label>
    <link:label id="lab_ifrs-full_GrossCarryingAmountMember_label_en-US" xlink:label="lab_ifrs-full_GrossCarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gross carrying amount [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GrossCarryingAmountMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GrossCarryingAmountMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GrossCarryingAmountMember" xlink:to="lab_ifrs-full_GrossCarryingAmountMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_A1.125FixedRateResettingSubordinatedCallableNotesEURMember_019f6ba4-1eda-78f9-af99-dfa7051dc0e1_terseLabel_en-US" xlink:label="lab_bcs_A1.125FixedRateResettingSubordinatedCallableNotesEURMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">1.125% Fixed Rate Resetting Subordinated Callable Notes (EUR)</link:label>
    <link:label id="lab_bcs_A1.125FixedRateResettingSubordinatedCallableNotesEURMember_label_en-US" xlink:label="lab_bcs_A1.125FixedRateResettingSubordinatedCallableNotesEURMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">1.125% Fixed Rate Resetting Subordinated Callable Notes (EUR) [Member]</link:label>
    <link:label id="lab_bcs_A1.125FixedRateResettingSubordinatedCallableNotesEURMember_documentation_en-US" xlink:label="lab_bcs_A1.125FixedRateResettingSubordinatedCallableNotesEURMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">1.125% Fixed Rate Resetting Subordinated Callable Notes (EUR)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_A1.125FixedRateResettingSubordinatedCallableNotesEURMember" xlink:href="bcs-20260630.xsd#bcs_A1.125FixedRateResettingSubordinatedCallableNotesEURMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_A1.125FixedRateResettingSubordinatedCallableNotesEURMember" xlink:to="lab_bcs_A1.125FixedRateResettingSubordinatedCallableNotesEURMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DerivativeDebitValuationAdjustmentsMember_019edf59-c18f-7fc2-81d1-49003a4260d6_terseLabel_en-US" xlink:label="lab_bcs_DerivativeDebitValuationAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative debit valuation adjustments</link:label>
    <link:label id="lab_bcs_DerivativeDebitValuationAdjustmentsMember_label_en-US" xlink:label="lab_bcs_DerivativeDebitValuationAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Debit Valuation Adjustments [Member]</link:label>
    <link:label id="lab_bcs_DerivativeDebitValuationAdjustmentsMember_documentation_en-US" xlink:label="lab_bcs_DerivativeDebitValuationAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for derivative debit valuation adjustment for the impact on fair value of the entity's own credit quality.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DerivativeDebitValuationAdjustmentsMember" xlink:href="bcs-20260630.xsd#bcs_DerivativeDebitValuationAdjustmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_DerivativeDebitValuationAdjustmentsMember" xlink:to="lab_bcs_DerivativeDebitValuationAdjustmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax_019edfa2-5b17-75d8-96e7-27e02283f3fb_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net (losses)/gains from changes in fair value</link:label>
    <link:label id="lab_ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax_label_en-US" xlink:label="lab_ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (losses) on cash flow hedges, before tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax" xlink:to="lab_ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NetAssetsLiabilitiesAbstract_019edf59-c0d6-7966-8133-9a5564dc040e_terseLabel_en-US" xlink:label="lab_ifrs-full_NetAssetsLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net assets (liabilities) [abstract]</link:label>
    <link:label id="lab_ifrs-full_NetAssetsLiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_NetAssetsLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net assets (liabilities) [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NetAssetsLiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NetAssetsLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NetAssetsLiabilitiesAbstract" xlink:to="lab_ifrs-full_NetAssetsLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFeeAndCommissionIncomeExpenseExplanatory_019edf59-c18f-7991-8d48-0df2d5842476_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFeeAndCommissionIncomeExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net fee and commission income</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFeeAndCommissionIncomeExpenseExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFeeAndCommissionIncomeExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of fee and commission income (expense) [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFeeAndCommissionIncomeExpenseExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFeeAndCommissionIncomeExpenseExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFeeAndCommissionIncomeExpenseExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFeeAndCommissionIncomeExpenseExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BankAcceptanceAssets_019edf59-c190-79ac-91dc-cc4e49f162d2_terseLabel_en-US" xlink:label="lab_ifrs-full_BankAcceptanceAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash collateral and settlement balances</link:label>
    <link:label id="lab_ifrs-full_BankAcceptanceAssets_label_en-US" xlink:label="lab_ifrs-full_BankAcceptanceAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bank acceptance assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BankAcceptanceAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BankAcceptanceAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BankAcceptanceAssets" xlink:to="lab_ifrs-full_BankAcceptanceAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestRevenueExpense_019edf59-c18f-722a-9722-4eccd585bf56_totalLabel_en-US" xlink:label="lab_ifrs-full_InterestRevenueExpense" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net interest income</link:label>
    <link:label id="lab_ifrs-full_InterestRevenueExpense_019edf59-c18f-7ef5-bb8e-f6a36e6350a9_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestRevenueExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net interest income</link:label>
    <link:label id="lab_ifrs-full_InterestRevenueExpense_label_en-US" xlink:label="lab_ifrs-full_InterestRevenueExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest income (expense)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestRevenueExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestRevenueExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestRevenueExpense" xlink:to="lab_ifrs-full_InterestRevenueExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed_019edf59-c225-7c5c-a5f5-966531f326c8_terseLabel_en-US" xlink:label="lab_ifrs-full_ReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reverse repurchase agreements and other similar secured lending at amortised cost</link:label>
    <link:label id="lab_ifrs-full_ReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed_019edf59-c225-7cc3-93f5-37d283ccd835_verboseLabel_en-US" xlink:label="lab_ifrs-full_ReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Reverse repurchase agreements and other similar secured lending</link:label>
    <link:label id="lab_ifrs-full_ReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed_label_en-US" xlink:label="lab_ifrs-full_ReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reverse repurchase agreements and cash collateral on securities borrowed</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed" xlink:to="lab_ifrs-full_ReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets_019edf59-c0d6-75b7-82f5-cb53744de8c4_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total gains or losses recognised in OCI, assets</link:label>
    <link:label id="lab_ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets_label_en-US" xlink:label="lab_ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (losses) recognised in other comprehensive income including exchange differences, fair value measurement, assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets" xlink:to="lab_ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SellingGeneralAndAdministrativeExpenseAbstract_019edf59-c0d6-7098-b8e2-f556d19abe1f_terseLabel_en-US" xlink:label="lab_ifrs-full_SellingGeneralAndAdministrativeExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Administration and general expenses</link:label>
    <link:label id="lab_ifrs-full_SellingGeneralAndAdministrativeExpenseAbstract_label_en-US" xlink:label="lab_ifrs-full_SellingGeneralAndAdministrativeExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Selling, general and administrative expense [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SellingGeneralAndAdministrativeExpenseAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SellingGeneralAndAdministrativeExpenseAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SellingGeneralAndAdministrativeExpenseAbstract" xlink:to="lab_ifrs-full_SellingGeneralAndAdministrativeExpenseAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NotLaterThanOneYearMember_019edf59-c0d6-73e7-8bec-df80b142ecd2_verboseLabel_en-US" xlink:label="lab_ifrs-full_NotLaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">2026</link:label>
    <link:label id="lab_ifrs-full_NotLaterThanOneYearMember_label_en-US" xlink:label="lab_ifrs-full_NotLaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Not later than one year [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NotLaterThanOneYearMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NotLaterThanOneYearMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NotLaterThanOneYearMember" xlink:to="lab_ifrs-full_NotLaterThanOneYearMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis_019edf59-c18f-7b5e-98c9-f68aa4aa2b24_terseLabel_en-US" xlink:label="lab_ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Method of assessment of expected credit losses [axis]</link:label>
    <link:label id="lab_ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis_label_en-US" xlink:label="lab_ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Method of assessment of expected credit losses [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis" xlink:to="lab_ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTaxLiabilities_019edf59-c18f-7bcf-9474-e86de22ff252_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current tax liabilities</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxLiabilities_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current tax liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentTaxLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxLiabilities" xlink:to="lab_ifrs-full_CurrentTaxLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyLiabilities_019f8c2d-9c58-77c0-b5c5-ae9371fc7d89_negatedLabel_en-US" xlink:label="lab_ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Transfers out of Level 3 of fair value hierarchy, liabilities</link:label>
    <link:label id="lab_ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyLiabilities_019edf59-c225-7d75-9c2e-8d6ff4507261_terseLabel_en-US" xlink:label="lab_ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers out of Level 3 of fair value hierarchy, liabilities</link:label>
    <link:label id="lab_ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyLiabilities_label_en-US" xlink:label="lab_ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transfers out of Level 3 of fair value hierarchy, liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyLiabilities" xlink:to="lab_ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_OtherResourcingCosts_019edf59-c18f-7c40-b4aa-d52a495a4631_terseLabel_en-US" xlink:label="lab_bcs_OtherResourcingCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_bcs_OtherResourcingCosts_label_en-US" xlink:label="lab_bcs_OtherResourcingCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Resourcing Costs</link:label>
    <link:label id="lab_bcs_OtherResourcingCosts_documentation_en-US" xlink:label="lab_bcs_OtherResourcingCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of costs relating to resourcing, classified as other.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_OtherResourcingCosts" xlink:href="bcs-20260630.xsd#bcs_OtherResourcingCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_OtherResourcingCosts" xlink:to="lab_bcs_OtherResourcingCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FeeAndCommissionIncome_019edf59-c225-7803-941d-10f98fb5a835_terseLabel_en-US" xlink:label="lab_ifrs-full_FeeAndCommissionIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fee and commission income</link:label>
    <link:label id="lab_ifrs-full_FeeAndCommissionIncome_019edf59-c225-76df-beae-358521ace5d9_totalLabel_en-US" xlink:label="lab_ifrs-full_FeeAndCommissionIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Fee and commission income</link:label>
    <link:label id="lab_ifrs-full_FeeAndCommissionIncome_label_en-US" xlink:label="lab_ifrs-full_FeeAndCommissionIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fee and commission income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FeeAndCommissionIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FeeAndCommissionIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FeeAndCommissionIncome" xlink:to="lab_ifrs-full_FeeAndCommissionIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_ScheduleOfShortTermEmployeeBenefitsExplanatoryTableTextBlock_019edf59-c18f-7dfc-9929-e11074a667a9_terseLabel_en-US" xlink:label="lab_bcs_ScheduleOfShortTermEmployeeBenefitsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Staff costs</link:label>
    <link:label id="lab_bcs_ScheduleOfShortTermEmployeeBenefitsExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bcs_ScheduleOfShortTermEmployeeBenefitsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Short-Term Employee Benefits Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bcs_ScheduleOfShortTermEmployeeBenefitsExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bcs_ScheduleOfShortTermEmployeeBenefitsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The tabular disclosure of short-term employee benefits..</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_ScheduleOfShortTermEmployeeBenefitsExplanatoryTableTextBlock" xlink:href="bcs-20260630.xsd#bcs_ScheduleOfShortTermEmployeeBenefitsExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_ScheduleOfShortTermEmployeeBenefitsExplanatoryTableTextBlock" xlink:to="lab_bcs_ScheduleOfShortTermEmployeeBenefitsExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_StressHorizonPeriodECL_019edf59-c225-79fe-8853-d59781c9c5cd_terseLabel_en-US" xlink:label="lab_bcs_StressHorizonPeriodECL" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stress horizon period, ECL</link:label>
    <link:label id="lab_bcs_StressHorizonPeriodECL_label_en-US" xlink:label="lab_bcs_StressHorizonPeriodECL" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stress Horizon Period, ECL</link:label>
    <link:label id="lab_bcs_StressHorizonPeriodECL_documentation_en-US" xlink:label="lab_bcs_StressHorizonPeriodECL" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Stress Horizon Period, ECL</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_StressHorizonPeriodECL" xlink:href="bcs-20260630.xsd#bcs_StressHorizonPeriodECL"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_StressHorizonPeriodECL" xlink:to="lab_bcs_StressHorizonPeriodECL" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_GuaranteesAndLettersOfCreditPledgedAsCollateralSecurityMember_019edf59-c0d6-7097-953b-763a880fb2ae_terseLabel_en-US" xlink:label="lab_bcs_GuaranteesAndLettersOfCreditPledgedAsCollateralSecurityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Guarantees and letters of credit pledged as collateral security</link:label>
    <link:label id="lab_bcs_GuaranteesAndLettersOfCreditPledgedAsCollateralSecurityMember_label_en-US" xlink:label="lab_bcs_GuaranteesAndLettersOfCreditPledgedAsCollateralSecurityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Guarantees And Letters Of Credit Pledged As Collateral Security [Member]</link:label>
    <link:label id="lab_bcs_GuaranteesAndLettersOfCreditPledgedAsCollateralSecurityMember_documentation_en-US" xlink:label="lab_bcs_GuaranteesAndLettersOfCreditPledgedAsCollateralSecurityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for guarantees and letters of credit pledged as collateral security.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_GuaranteesAndLettersOfCreditPledgedAsCollateralSecurityMember" xlink:href="bcs-20260630.xsd#bcs_GuaranteesAndLettersOfCreditPledgedAsCollateralSecurityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_GuaranteesAndLettersOfCreditPledgedAsCollateralSecurityMember" xlink:to="lab_bcs_GuaranteesAndLettersOfCreditPledgedAsCollateralSecurityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate_019f7ec0-95c7-75b8-ba33-717b423d8f58_terseLabel_en-US" xlink:label="lab_ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Identifiable intangible assets recognised as of acquisition date</link:label>
    <link:label id="lab_ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Identifiable intangible assets recognised as of acquisition date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate" xlink:to="lab_ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember_019edf59-c18f-753d-b086-83d0c8e4ca65_terseLabel_en-US" xlink:label="lab_ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined benefit plans other than multi-employer plans, state plans and plans that share risks between entities under common control</link:label>
    <link:label id="lab_ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember_label_en-US" xlink:label="lab_ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined benefit plans other than multi-employer plans, state plans and plans that share risks between entities under common control [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember" xlink:to="lab_ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsLineItems_019edf59-c18f-7779-bc6e-2248a9df9b92_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of financial assets [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of financial assets [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialAssetsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:to="lab_ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossThatMeetDefinitionOfHeldForTradingCategoryMember_019edf59-c0d6-7e6a-ab59-d7724a906bfe_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossThatMeetDefinitionOfHeldForTradingCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trading portfolio liabilities</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossThatMeetDefinitionOfHeldForTradingCategoryMember_label_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossThatMeetDefinitionOfHeldForTradingCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial liabilities at fair value through profit or loss that meet definition of held for trading, category [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossThatMeetDefinitionOfHeldForTradingCategoryMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossThatMeetDefinitionOfHeldForTradingCategoryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossThatMeetDefinitionOfHeldForTradingCategoryMember" xlink:to="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossThatMeetDefinitionOfHeldForTradingCategoryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossAbstract_019edf59-c0d6-7d38-ad15-17a3bfeadd22_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of ECL movement to impairment charges for the period</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of impairment loss and reversal of impairment loss [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossAbstract" xlink:to="lab_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherAdjustmentsToReconcileProfitLoss_019edf59-c190-7449-9777-d9fb1e23a219_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherAdjustmentsToReconcileProfitLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Changes in other operating assets and liabilities</link:label>
    <link:label id="lab_ifrs-full_OtherAdjustmentsToReconcileProfitLoss_label_en-US" xlink:label="lab_ifrs-full_OtherAdjustmentsToReconcileProfitLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other adjustments to reconcile profit (loss)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherAdjustmentsToReconcileProfitLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherAdjustmentsToReconcileProfitLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherAdjustmentsToReconcileProfitLoss" xlink:to="lab_ifrs-full_OtherAdjustmentsToReconcileProfitLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyAssets_019f7f5c-f661-7041-8de4-634ec13b835e_terseLabel_en-US" xlink:label="lab_ifrs-full_TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers out of Level 1 into Level 2 of fair value hierarchy, assets held at end of reporting period</link:label>
    <link:label id="lab_ifrs-full_TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyAssets_label_en-US" xlink:label="lab_ifrs-full_TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transfers out of Level 1 into Level 2 of fair value hierarchy, assets held at end of reporting period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyAssets" xlink:to="lab_ifrs-full_TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityRegistrantName_019edf59-c190-7155-bb8f-be3b3d2feb4e_terseLabel_en-US" xlink:label="lab_dei_EntityRegistrantName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Registrant Name</link:label>
    <link:label id="lab_dei_EntityRegistrantName_label_en-US" xlink:label="lab_dei_EntityRegistrantName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Registrant Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityRegistrantName" xlink:to="lab_dei_EntityRegistrantName" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BasicEarningsLossPerShare_019edf59-c225-7bfe-be3c-e04c924802d3_verboseLabel_en-US" xlink:label="lab_ifrs-full_BasicEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Basic earnings per ordinary share (in GBP per share)</link:label>
    <link:label id="lab_ifrs-full_BasicEarningsLossPerShare_label_en-US" xlink:label="lab_ifrs-full_BasicEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basic earnings (loss) per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BasicEarningsLossPerShare" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BasicEarningsLossPerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BasicEarningsLossPerShare" xlink:to="lab_ifrs-full_BasicEarningsLossPerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_OtherFinancialAssetsAndLiabilitiesGroupOneMember_019edf59-c18f-7707-b145-8ecc7beb4f41_terseLabel_en-US" xlink:label="lab_bcs_OtherFinancialAssetsAndLiabilitiesGroupOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other products</link:label>
    <link:label id="lab_bcs_OtherFinancialAssetsAndLiabilitiesGroupOneMember_label_en-US" xlink:label="lab_bcs_OtherFinancialAssetsAndLiabilitiesGroupOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Financial Assets And Liabilities Group One [Member]</link:label>
    <link:label id="lab_bcs_OtherFinancialAssetsAndLiabilitiesGroupOneMember_documentation_en-US" xlink:label="lab_bcs_OtherFinancialAssetsAndLiabilitiesGroupOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for commercial real estate loans, funds and fund-linked products, asset backed loans, issued debt, commercial paper, government sponsored debt and investment property.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_OtherFinancialAssetsAndLiabilitiesGroupOneMember" xlink:href="bcs-20260630.xsd#bcs_OtherFinancialAssetsAndLiabilitiesGroupOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_OtherFinancialAssetsAndLiabilitiesGroupOneMember" xlink:to="lab_bcs_OtherFinancialAssetsAndLiabilitiesGroupOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LiabilitiesMeasuredAtFairValueAndIssuedWithInseparableThirdpartyCreditEnhancementDomain_019edf59-c18f-70cb-b6c6-49867ee4e3ae_terseLabel_en-US" xlink:label="lab_ifrs-full_LiabilitiesMeasuredAtFairValueAndIssuedWithInseparableThirdpartyCreditEnhancementDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities measured at fair value and issued with inseparable third-party credit enhancement [domain]</link:label>
    <link:label id="lab_ifrs-full_LiabilitiesMeasuredAtFairValueAndIssuedWithInseparableThirdpartyCreditEnhancementDomain_label_en-US" xlink:label="lab_ifrs-full_LiabilitiesMeasuredAtFairValueAndIssuedWithInseparableThirdpartyCreditEnhancementDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities measured at fair value and issued with inseparable third-party credit enhancement [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiabilitiesMeasuredAtFairValueAndIssuedWithInseparableThirdpartyCreditEnhancementDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LiabilitiesMeasuredAtFairValueAndIssuedWithInseparableThirdpartyCreditEnhancementDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilitiesMeasuredAtFairValueAndIssuedWithInseparableThirdpartyCreditEnhancementDomain" xlink:to="lab_ifrs-full_LiabilitiesMeasuredAtFairValueAndIssuedWithInseparableThirdpartyCreditEnhancementDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MeasurementAxis_019edf59-c18f-77c7-91bf-f2c740ec1b8a_terseLabel_en-US" xlink:label="lab_ifrs-full_MeasurementAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Measurement [axis]</link:label>
    <link:label id="lab_ifrs-full_MeasurementAxis_label_en-US" xlink:label="lab_ifrs-full_MeasurementAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Measurement [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MeasurementAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MeasurementAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MeasurementAxis" xlink:to="lab_ifrs-full_MeasurementAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_CommissionsAndOtherIncentives_019edf59-c18f-7d15-b05a-924ec5c0a776_terseLabel_en-US" xlink:label="lab_bcs_CommissionsAndOtherIncentives" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other incentives</link:label>
    <link:label id="lab_bcs_CommissionsAndOtherIncentives_label_en-US" xlink:label="lab_bcs_CommissionsAndOtherIncentives" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commissions And Other Incentives</link:label>
    <link:label id="lab_bcs_CommissionsAndOtherIncentives_documentation_en-US" xlink:label="lab_bcs_CommissionsAndOtherIncentives" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of costs relating to commissions and other incentives.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_CommissionsAndOtherIncentives" xlink:href="bcs-20260630.xsd#bcs_CommissionsAndOtherIncentives"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_CommissionsAndOtherIncentives" xlink:to="lab_bcs_CommissionsAndOtherIncentives" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfProvisionsExplanatory_019edf59-c190-77fe-8ca5-32814ce61ef4_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfProvisionsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of provisions [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfProvisionsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfCashFlowsAbstract_019edf59-c190-7f94-958f-87a6f4ae7cbd_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfCashFlowsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of cash flows [abstract]</link:label>
    <link:label id="lab_ifrs-full_StatementOfCashFlowsAbstract_label_en-US" xlink:label="lab_ifrs-full_StatementOfCashFlowsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of cash flows [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfCashFlowsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="lab_ifrs-full_StatementOfCashFlowsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustedWeightedAverageShares_019edf59-c225-7de0-9e74-f729a0a23923_totalLabel_en-US" xlink:label="lab_ifrs-full_AdjustedWeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Diluted weighted average number of shares (in shares)</link:label>
    <link:label id="lab_ifrs-full_AdjustedWeightedAverageShares_label_en-US" xlink:label="lab_ifrs-full_AdjustedWeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average number of ordinary shares used in calculating diluted earnings per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustedWeightedAverageShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustedWeightedAverageShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustedWeightedAverageShares" xlink:to="lab_ifrs-full_AdjustedWeightedAverageShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsTable_019edf59-c0d6-7544-835d-10a1e299b961_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of financial assets [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of financial assets [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialAssetsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialAssetsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialAssetsTable" xlink:to="lab_ifrs-full_DisclosureOfFinancialAssetsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MortgagesMember_019edf59-c18f-7b13-be76-c6b41c08e1f1_terseLabel_en-US" xlink:label="lab_ifrs-full_MortgagesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retail mortgages</link:label>
    <link:label id="lab_ifrs-full_MortgagesMember_label_en-US" xlink:label="lab_ifrs-full_MortgagesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgages [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MortgagesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MortgagesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MortgagesMember" xlink:to="lab_ifrs-full_MortgagesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis_019edf59-c18f-7243-8306-28e82685e01b_terseLabel_en-US" xlink:label="lab_ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Type of measurement of expected credit losses [axis]</link:label>
    <link:label id="lab_ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis_label_en-US" xlink:label="lab_ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Type of measurement of expected credit losses [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis" xlink:to="lab_ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_CivilActionsInRespectOfUSDLIBORMember_019edf59-c225-7a11-8618-b88e7ebbeb5d_terseLabel_en-US" xlink:label="lab_bcs_CivilActionsInRespectOfUSDLIBORMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Civil actions in respect of USD LIBOR</link:label>
    <link:label id="lab_bcs_CivilActionsInRespectOfUSDLIBORMember_label_en-US" xlink:label="lab_bcs_CivilActionsInRespectOfUSDLIBORMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Civil Actions In Respect of USD LIBOR [Member]</link:label>
    <link:label id="lab_bcs_CivilActionsInRespectOfUSDLIBORMember_documentation_en-US" xlink:label="lab_bcs_CivilActionsInRespectOfUSDLIBORMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Civil Actions In Respect of USD LIBOR</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_CivilActionsInRespectOfUSDLIBORMember" xlink:href="bcs-20260630.xsd#bcs_CivilActionsInRespectOfUSDLIBORMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_CivilActionsInRespectOfUSDLIBORMember" xlink:to="lab_bcs_CivilActionsInRespectOfUSDLIBORMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FloatingInterestRateMember_019ef505-fac1-73ea-9a2f-bf5493059a30_terseLabel_en-US" xlink:label="lab_ifrs-full_FloatingInterestRateMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Floating interest rate</link:label>
    <link:label id="lab_ifrs-full_FloatingInterestRateMember_label_en-US" xlink:label="lab_ifrs-full_FloatingInterestRateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Floating interest rate [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FloatingInterestRateMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FloatingInterestRateMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FloatingInterestRateMember" xlink:to="lab_ifrs-full_FloatingInterestRateMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RepaymentsOfSubordinatedLiabilities_019edf59-c18f-7cda-bea6-1e001c91ffc0_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_RepaymentsOfSubordinatedLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Redemptions</link:label>
    <link:label id="lab_ifrs-full_RepaymentsOfSubordinatedLiabilities_019edf59-c18f-75c1-8ce0-d67b901856e2_terseLabel_en-US" xlink:label="lab_ifrs-full_RepaymentsOfSubordinatedLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Redemption of subordinated debt</link:label>
    <link:label id="lab_ifrs-full_RepaymentsOfSubordinatedLiabilities_label_en-US" xlink:label="lab_ifrs-full_RepaymentsOfSubordinatedLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of subordinated liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RepaymentsOfSubordinatedLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RepaymentsOfSubordinatedLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RepaymentsOfSubordinatedLiabilities" xlink:to="lab_ifrs-full_RepaymentsOfSubordinatedLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_HousePriceIndexEconomicCoreVariableMember_019edf59-c18f-7888-83f6-dbb0c963802e_terseLabel_en-US" xlink:label="lab_bcs_HousePriceIndexEconomicCoreVariableMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">HPI</link:label>
    <link:label id="lab_bcs_HousePriceIndexEconomicCoreVariableMember_label_en-US" xlink:label="lab_bcs_HousePriceIndexEconomicCoreVariableMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">House Price Index, Economic Core Variable [Member]</link:label>
    <link:label id="lab_bcs_HousePriceIndexEconomicCoreVariableMember_documentation_en-US" xlink:label="lab_bcs_HousePriceIndexEconomicCoreVariableMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the House Price Index, a key historic macroeconomic core variable. The House Price Index is compared against the forecast paths of the probability weights for each scenario, demonstrating 5 year cumulative growth in Upside scenarios; 5 year average in Baseline; cumulative fall (peak-to-trough) in Downside scenarios.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_HousePriceIndexEconomicCoreVariableMember" xlink:href="bcs-20260630.xsd#bcs_HousePriceIndexEconomicCoreVariableMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_HousePriceIndexEconomicCoreVariableMember" xlink:to="lab_bcs_HousePriceIndexEconomicCoreVariableMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_UnderwritingSyndicationAndCommitmentFeesMember_019edf59-c225-7436-aefd-ee15c22d60b7_terseLabel_en-US" xlink:label="lab_bcs_UnderwritingSyndicationAndCommitmentFeesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Underwriting and syndication</link:label>
    <link:label id="lab_bcs_UnderwritingSyndicationAndCommitmentFeesMember_label_en-US" xlink:label="lab_bcs_UnderwritingSyndicationAndCommitmentFeesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Underwriting, Syndication And Commitment Fees [Member]</link:label>
    <link:label id="lab_bcs_UnderwritingSyndicationAndCommitmentFeesMember_documentation_en-US" xlink:label="lab_bcs_UnderwritingSyndicationAndCommitmentFeesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for fees which are earned for the distribution of client equity or debt securities, which includes a commitment to purchase such securities if they are not sold to third parties. Syndication and commitment fees include the arrangement and administration of a loan syndication, which includes a commitment to provide the loan if it is not sold to third parties.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_UnderwritingSyndicationAndCommitmentFeesMember" xlink:href="bcs-20260630.xsd#bcs_UnderwritingSyndicationAndCommitmentFeesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_UnderwritingSyndicationAndCommitmentFeesMember" xlink:to="lab_bcs_UnderwritingSyndicationAndCommitmentFeesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_EligibleLiabilitiesMember_019edf59-c18f-77be-b669-a9d85515d74a_terseLabel_en-US" xlink:label="lab_bcs_EligibleLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Eligible liabilities</link:label>
    <link:label id="lab_bcs_EligibleLiabilitiesMember_label_en-US" xlink:label="lab_bcs_EligibleLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Eligible Liabilities [Member]</link:label>
    <link:label id="lab_bcs_EligibleLiabilitiesMember_documentation_en-US" xlink:label="lab_bcs_EligibleLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Eligible Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_EligibleLiabilitiesMember" xlink:href="bcs-20260630.xsd#bcs_EligibleLiabilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_EligibleLiabilitiesMember" xlink:to="lab_bcs_EligibleLiabilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LoansAndReceivablesCategoryMember_019edf59-c190-7ba2-b491-f572d8d20b46_terseLabel_en-US" xlink:label="lab_ifrs-full_LoansAndReceivablesCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and advances</link:label>
    <link:label id="lab_ifrs-full_LoansAndReceivablesCategoryMember_label_en-US" xlink:label="lab_ifrs-full_LoansAndReceivablesCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans and receivables, category [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LoansAndReceivablesCategoryMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LoansAndReceivablesCategoryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LoansAndReceivablesCategoryMember" xlink:to="lab_ifrs-full_LoansAndReceivablesCategoryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_ScenarioProbabilityWeighting_019edf59-c0d6-7f8f-a9b3-19dfc2314449_terseLabel_en-US" xlink:label="lab_bcs_ScenarioProbabilityWeighting" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Scenario probability weighting</link:label>
    <link:label id="lab_bcs_ScenarioProbabilityWeighting_label_en-US" xlink:label="lab_bcs_ScenarioProbabilityWeighting" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Scenario Probability Weighting</link:label>
    <link:label id="lab_bcs_ScenarioProbabilityWeighting_documentation_en-US" xlink:label="lab_bcs_ScenarioProbabilityWeighting" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The scenario probability weighting, expressed as a percentage and normalised to equate to 100%. The methodology works such that the baseline (reflecting current consensus outlook) has the highest weight and the weights of adverse and favourable scenarios depend on the deviation from the baseline; the further from the baseline, the smaller the weight.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_ScenarioProbabilityWeighting" xlink:href="bcs-20260630.xsd#bcs_ScenarioProbabilityWeighting"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_ScenarioProbabilityWeighting" xlink:to="lab_bcs_ScenarioProbabilityWeighting" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsTable_019edf59-c0d6-77a2-b9a3-7c4ac14f5319_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of offsetting of financial assets [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of offsetting of financial assets [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOffsettingOfFinancialAssetsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsTable" xlink:to="lab_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_RestOfTheWorldMember_019edf59-c18f-7cba-bc72-e02f0df6a4ac_terseLabel_en-US" xlink:label="lab_bcs_RestOfTheWorldMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rest of the world</link:label>
    <link:label id="lab_bcs_RestOfTheWorldMember_label_en-US" xlink:label="lab_bcs_RestOfTheWorldMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Rest Of The World [Member]</link:label>
    <link:label id="lab_bcs_RestOfTheWorldMember_documentation_en-US" xlink:label="lab_bcs_RestOfTheWorldMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Rest Of The World</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_RestOfTheWorldMember" xlink:href="bcs-20260630.xsd#bcs_RestOfTheWorldMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_RestOfTheWorldMember" xlink:to="lab_bcs_RestOfTheWorldMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans_019edf59-c18f-7852-a0e6-0a64d57b7fe5_verboseLabel_en-US" xlink:label="lab_ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Post-retirement benefits</link:label>
    <link:label id="lab_ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans_label_en-US" xlink:label="lab_ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Post-employment benefit expense in profit or loss, defined benefit plans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans" xlink:to="lab_ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_BarclaysBankPLCSubsidiaryMember_019f6bb3-0296-7cae-914e-c39843418220_terseLabel_en-US" xlink:label="lab_bcs_BarclaysBankPLCSubsidiaryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Barclays Bank PLC Subsidiary</link:label>
    <link:label id="lab_bcs_BarclaysBankPLCSubsidiaryMember_label_en-US" xlink:label="lab_bcs_BarclaysBankPLCSubsidiaryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Barclays Bank PLC Subsidiary [Member]</link:label>
    <link:label id="lab_bcs_BarclaysBankPLCSubsidiaryMember_documentation_en-US" xlink:label="lab_bcs_BarclaysBankPLCSubsidiaryMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Barclays Bank PLC Subsidiary</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_BarclaysBankPLCSubsidiaryMember" xlink:href="bcs-20260630.xsd#bcs_BarclaysBankPLCSubsidiaryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_BarclaysBankPLCSubsidiaryMember" xlink:to="lab_bcs_BarclaysBankPLCSubsidiaryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DebtInstrumentsIssuedAtAmortisedCost_019edf59-c225-7d7b-80fa-8bc30fd10d91_terseLabel_en-US" xlink:label="lab_ifrs-full_DebtInstrumentsIssuedAtAmortisedCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt securities in issue</link:label>
    <link:label id="lab_ifrs-full_DebtInstrumentsIssuedAtAmortisedCost_019edf59-c225-7130-af52-2e3d4b409b84_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_DebtInstrumentsIssuedAtAmortisedCost" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Debt securities in issue</link:label>
    <link:label id="lab_ifrs-full_DebtInstrumentsIssuedAtAmortisedCost_label_en-US" xlink:label="lab_ifrs-full_DebtInstrumentsIssuedAtAmortisedCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt instruments issued at amortised cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DebtInstrumentsIssuedAtAmortisedCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DebtInstrumentsIssuedAtAmortisedCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DebtInstrumentsIssuedAtAmortisedCost" xlink:to="lab_ifrs-full_DebtInstrumentsIssuedAtAmortisedCost" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfFinancialAssetsAxis_019edf59-c18f-725d-8a44-ccdc0201b2af_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of financial assets [axis]</link:label>
    <link:label id="lab_ifrs-full_TypesOfFinancialAssetsAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of financial assets [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfFinancialAssetsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfFinancialAssetsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfFinancialAssetsAxis" xlink:to="lab_ifrs-full_TypesOfFinancialAssetsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherEmployeeExpense_019edf59-c18f-7914-94a1-88d26ad1c3b0_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherEmployeeExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other compensation costs</link:label>
    <link:label id="lab_ifrs-full_OtherEmployeeExpense_label_en-US" xlink:label="lab_ifrs-full_OtherEmployeeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other employee expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherEmployeeExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherEmployeeExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherEmployeeExpense" xlink:to="lab_ifrs-full_OtherEmployeeExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LoansAndAdvancesToCustomersAtAmortisedCost_019edf59-c18f-791a-83cf-c9c6e62ae3ad_terseLabel_en-US" xlink:label="lab_ifrs-full_LoansAndAdvancesToCustomersAtAmortisedCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and advances at amortised cost to customers</link:label>
    <link:label id="lab_ifrs-full_LoansAndAdvancesToCustomersAtAmortisedCost_label_en-US" xlink:label="lab_ifrs-full_LoansAndAdvancesToCustomersAtAmortisedCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans and advances to customers at amortised cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LoansAndAdvancesToCustomersAtAmortisedCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LoansAndAdvancesToCustomersAtAmortisedCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LoansAndAdvancesToCustomersAtAmortisedCost" xlink:to="lab_ifrs-full_LoansAndAdvancesToCustomersAtAmortisedCost" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_NonAssetBackedLoansMember_019edf59-c0d6-7513-a6a8-d27c4400e86d_terseLabel_en-US" xlink:label="lab_bcs_NonAssetBackedLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans</link:label>
    <link:label id="lab_bcs_NonAssetBackedLoansMember_label_en-US" xlink:label="lab_bcs_NonAssetBackedLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-Asset Backed Loans [Member]</link:label>
    <link:label id="lab_bcs_NonAssetBackedLoansMember_documentation_en-US" xlink:label="lab_bcs_NonAssetBackedLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">"This member stands for fixed rate loans, primarily the ESHLA portfolio, which are valued using models that discount expected future cash flows."</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_NonAssetBackedLoansMember" xlink:href="bcs-20260630.xsd#bcs_NonAssetBackedLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_NonAssetBackedLoansMember" xlink:to="lab_bcs_NonAssetBackedLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability_019edfa2-5b17-7fd6-a00c-2677730852f6_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Own credit</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income, before tax, change in fair value of financial liability attributable to change in credit risk of liability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncomeBeforeTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts_019edf59-c225-71be-bf1b-3e13bcb7130c_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net transfers between stages</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through transfers, exposure to credit risk on loan commitments and financial guarantee contracts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTransfersExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughTransfersExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughTransfersExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughTransfersExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncontrollingInterests_019edf59-c0d6-79d4-99e6-d58207b44cd0_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-controlling interests</link:label>
    <link:label id="lab_ifrs-full_NoncontrollingInterests_label_en-US" xlink:label="lab_ifrs-full_NoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-controlling interests</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncontrollingInterests" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncontrollingInterests"/>
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    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DebtSecuritiesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DebtSecuritiesMember"/>
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    <link:label id="lab_ifrs-full_SegmentConsolidationItemsAxis_label_en-US" xlink:label="lab_ifrs-full_SegmentConsolidationItemsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment consolidation items [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SegmentConsolidationItemsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentConsolidationItemsAxis"/>
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    <link:label id="lab_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory_019edf59-c225-7976-b93c-d966c2b921c1_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retirement benefits</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of employee benefits [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfEmployeeBenefitsExplanatory"/>
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    <link:label id="lab_ifrs-full_CharacteristicsOfDefinedBenefitPlansDomain_019edf59-c0d6-783c-a245-20d6c1dd8b8a_terseLabel_en-US" xlink:label="lab_ifrs-full_CharacteristicsOfDefinedBenefitPlansDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Characteristics of defined benefit plans [domain]</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CharacteristicsOfDefinedBenefitPlansDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CharacteristicsOfDefinedBenefitPlansDomain"/>
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    <link:label id="lab_ifrs-full_ProfitLossAttributableToNoncontrollingInterests_019edf59-c190-7e06-9c9c-c88b69d9efed_verboseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non-controlling interests</link:label>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToNoncontrollingInterests_label_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss), attributable to non-controlling interests</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossAttributableToNoncontrollingInterests"/>
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    <link:label id="lab_ifrs-full_InvestmentAccountedForUsingEquityMethod_019edf59-c0d6-7cfc-91cd-05cef72bf29e_verboseLabel_en-US" xlink:label="lab_ifrs-full_InvestmentAccountedForUsingEquityMethod" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Investments in associates and joint ventures</link:label>
    <link:label id="lab_ifrs-full_InvestmentAccountedForUsingEquityMethod_label_en-US" xlink:label="lab_ifrs-full_InvestmentAccountedForUsingEquityMethod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments accounted for using equity method</link:label>
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    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember_019edf59-c225-7007-bb7d-d4116968dc20_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial liabilities designated at fair value</link:label>
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    <link:label id="lab_ifrs-full_EquityAbstract_019edf59-c225-7b54-935f-e3e260be9467_terseLabel_en-US" xlink:label="lab_ifrs-full_EquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity</link:label>
    <link:label id="lab_ifrs-full_EquityAbstract_label_en-US" xlink:label="lab_ifrs-full_EquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity [abstract]</link:label>
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    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable_019edf59-c225-7d12-9a50-3460ac7839e9_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of disaggregation of revenue from contracts with customers [table]</link:label>
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    <link:label id="lab_bcs_AccumulatedFairValueHedgeAdjustmentOnHedgedItemIncludedInCarryingAmountAssetsLiabilities_019edf59-c225-7814-88cf-eeb407e20551_terseLabel_en-US" xlink:label="lab_bcs_AccumulatedFairValueHedgeAdjustmentOnHedgedItemIncludedInCarryingAmountAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value adjustments</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PurchasesFairValueMeasurementLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PurchasesFairValueMeasurementLiabilities"/>
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    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsAbstract_019edf59-c190-7ec0-8a8d-043f5e53578c_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of operating segments [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of operating segments [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOperatingSegmentsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOperatingSegmentsAbstract" xlink:to="lab_ifrs-full_DisclosureOfOperatingSegmentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_EquityAndStockIndexAndCommodityDerivativesMember_019edf59-c0d6-751d-8f7f-f600906c8665_terseLabel_en-US" xlink:label="lab_bcs_EquityAndStockIndexAndCommodityDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity and stock index and commodity derivatives</link:label>
    <link:label id="lab_bcs_EquityAndStockIndexAndCommodityDerivativesMember_label_en-US" xlink:label="lab_bcs_EquityAndStockIndexAndCommodityDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity And Stock Index And Commodity Derivatives [Member]</link:label>
    <link:label id="lab_bcs_EquityAndStockIndexAndCommodityDerivativesMember_documentation_en-US" xlink:label="lab_bcs_EquityAndStockIndexAndCommodityDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for This member stands for a component of other price risk that represents the type of risk that the fair value or future cash flows of a financial instrument will fluctuate because of changes in equity prices. In addition, this includes the other component of other price risk that represents the type of risk that the fair value or future cash flows of a financial instrument will fluctuate because of changes in commodity prices.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_EquityAndStockIndexAndCommodityDerivativesMember" xlink:href="bcs-20260630.xsd#bcs_EquityAndStockIndexAndCommodityDerivativesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_EquityAndStockIndexAndCommodityDerivativesMember" xlink:to="lab_bcs_EquityAndStockIndexAndCommodityDerivativesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_NonCashCollateralReceivedSubjectToEnforceableMasterNettingArrangementsOrSimilarAgreementNotSetOffAgainstFinancialAssets_019edf59-c18f-7aa7-95e5-0b024989e15d_verboseLabel_en-US" xlink:label="lab_bcs_NonCashCollateralReceivedSubjectToEnforceableMasterNettingArrangementsOrSimilarAgreementNotSetOffAgainstFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non-cash collateral</link:label>
    <link:label id="lab_bcs_NonCashCollateralReceivedSubjectToEnforceableMasterNettingArrangementsOrSimilarAgreementNotSetOffAgainstFinancialAssets_label_en-US" xlink:label="lab_bcs_NonCashCollateralReceivedSubjectToEnforceableMasterNettingArrangementsOrSimilarAgreementNotSetOffAgainstFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-Cash Collateral Received Subject To Enforceable Master Netting Arrangements Or Similar Agreement Not Set Off Against Financial Assets</link:label>
    <link:label id="lab_bcs_NonCashCollateralReceivedSubjectToEnforceableMasterNettingArrangementsOrSimilarAgreementNotSetOffAgainstFinancialAssets_documentation_en-US" xlink:label="lab_bcs_NonCashCollateralReceivedSubjectToEnforceableMasterNettingArrangementsOrSimilarAgreementNotSetOffAgainstFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of non-cash collateral received that is subject to an enforceable master netting arrangement or similar agreement and that is not set off against financial assets. [Refer: Financial assets]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_NonCashCollateralReceivedSubjectToEnforceableMasterNettingArrangementsOrSimilarAgreementNotSetOffAgainstFinancialAssets" xlink:href="bcs-20260630.xsd#bcs_NonCashCollateralReceivedSubjectToEnforceableMasterNettingArrangementsOrSimilarAgreementNotSetOffAgainstFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_NonCashCollateralReceivedSubjectToEnforceableMasterNettingArrangementsOrSimilarAgreementNotSetOffAgainstFinancialAssets" xlink:to="lab_bcs_NonCashCollateralReceivedSubjectToEnforceableMasterNettingArrangementsOrSimilarAgreementNotSetOffAgainstFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome_019edfa2-5b17-7400-a556-539370255d22_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Tax</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income tax relating to cash flow hedges included in other comprehensive income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome" xlink:to="lab_ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_UKRegulatoryLevies_019edf59-c225-7c65-a9e8-13d7ef7a47db_negatedTerseLabel_en-US" xlink:label="lab_bcs_UKRegulatoryLevies" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">UK regulatory levies</link:label>
    <link:label id="lab_bcs_UKRegulatoryLevies_label_en-US" xlink:label="lab_bcs_UKRegulatoryLevies" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">UK Regulatory Levies</link:label>
    <link:label id="lab_bcs_UKRegulatoryLevies_documentation_en-US" xlink:label="lab_bcs_UKRegulatoryLevies" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">UK Regulatory Levies</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_UKRegulatoryLevies" xlink:href="bcs-20260630.xsd#bcs_UKRegulatoryLevies"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_UKRegulatoryLevies" xlink:to="lab_bcs_UKRegulatoryLevies" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract_019edf59-c225-7199-a446-c73529a104ee_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of transactions between related parties [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of transactions between related parties [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" xlink:to="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_ResourcingCosts_019edf59-c0d6-77ef-af89-82bfc18ef9b3_totalLabel_en-US" xlink:label="lab_bcs_ResourcingCosts" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total other resourcing costs</link:label>
    <link:label id="lab_bcs_ResourcingCosts_label_en-US" xlink:label="lab_bcs_ResourcingCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Resourcing Costs</link:label>
    <link:label id="lab_bcs_ResourcingCosts_documentation_en-US" xlink:label="lab_bcs_ResourcingCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of costs relating to resourcing.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_ResourcingCosts" xlink:href="bcs-20260630.xsd#bcs_ResourcingCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_ResourcingCosts" xlink:to="lab_bcs_ResourcingCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_EconomicUncertaintyAdjustmentsMember_019edf59-c190-7b0f-a144-f52a310391b3_terseLabel_en-US" xlink:label="lab_bcs_EconomicUncertaintyAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Economic uncertainty adjustments</link:label>
    <link:label id="lab_bcs_EconomicUncertaintyAdjustmentsMember_label_en-US" xlink:label="lab_bcs_EconomicUncertaintyAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Economic Uncertainty Adjustments [Member]</link:label>
    <link:label id="lab_bcs_EconomicUncertaintyAdjustmentsMember_documentation_en-US" xlink:label="lab_bcs_EconomicUncertaintyAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Economic Uncertainty Adjustments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_EconomicUncertaintyAdjustmentsMember" xlink:href="bcs-20260630.xsd#bcs_EconomicUncertaintyAdjustmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_EconomicUncertaintyAdjustmentsMember" xlink:to="lab_bcs_EconomicUncertaintyAdjustmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_IncreaseDecreaseThroughRecoveriesAndReimbursementsFinancialAssets_019edf59-c18f-7a91-9f7b-13e5bcd7fa27_negatedTerseLabel_en-US" xlink:label="lab_bcs_IncreaseDecreaseThroughRecoveriesAndReimbursementsFinancialAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Recoveries and reimbursements</link:label>
    <link:label id="lab_bcs_IncreaseDecreaseThroughRecoveriesAndReimbursementsFinancialAssets_label_en-US" xlink:label="lab_bcs_IncreaseDecreaseThroughRecoveriesAndReimbursementsFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Recoveries And Reimbursements, Financial Assets</link:label>
    <link:label id="lab_bcs_IncreaseDecreaseThroughRecoveriesAndReimbursementsFinancialAssets_documentation_en-US" xlink:label="lab_bcs_IncreaseDecreaseThroughRecoveriesAndReimbursementsFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Recoveries And Reimbursements, Financial Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_IncreaseDecreaseThroughRecoveriesAndReimbursementsFinancialAssets" xlink:href="bcs-20260630.xsd#bcs_IncreaseDecreaseThroughRecoveriesAndReimbursementsFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_IncreaseDecreaseThroughRecoveriesAndReimbursementsFinancialAssets" xlink:to="lab_bcs_IncreaseDecreaseThroughRecoveriesAndReimbursementsFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsAbstract_019edf59-c18f-7cb5-aec0-d161601f4d6c_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of nature and extent of risks arising from financial instruments [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of nature and extent of risks arising from financial instruments [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsAbstract" xlink:to="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfShareCapitalDomain_019edf59-c0d6-76b7-9eef-40658f57a836_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of share capital</link:label>
    <link:label id="lab_ifrs-full_ClassesOfShareCapitalDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of share capital [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfShareCapitalDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfShareCapitalDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfShareCapitalDomain" xlink:to="lab_ifrs-full_ClassesOfShareCapitalDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInFinancialAssetsAbstract_019edf59-c18f-7699-bc5a-2906ab58ea9c_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInFinancialAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and advances at amortised cost</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInFinancialAssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInFinancialAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in financial assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInFinancialAssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInFinancialAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInFinancialAssetsAbstract" xlink:to="lab_ifrs-full_IncreaseDecreaseInFinancialAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_HedgingInstrumentsAxis_019edf59-c18f-7b24-b2dc-1f9f6794f828_terseLabel_en-US" xlink:label="lab_ifrs-full_HedgingInstrumentsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Hedging instruments [axis]</link:label>
    <link:label id="lab_ifrs-full_HedgingInstrumentsAxis_label_en-US" xlink:label="lab_ifrs-full_HedgingInstrumentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedging instruments [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_HedgingInstrumentsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_HedgingInstrumentsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_HedgingInstrumentsAxis" xlink:to="lab_ifrs-full_HedgingInstrumentsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_OtherCustomerRedressMember_019edf59-c0d6-7026-beb0-b554e2ddb269_terseLabel_en-US" xlink:label="lab_bcs_OtherCustomerRedressMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Customer redress</link:label>
    <link:label id="lab_bcs_OtherCustomerRedressMember_label_en-US" xlink:label="lab_bcs_OtherCustomerRedressMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Customer Redress [Member]</link:label>
    <link:label id="lab_bcs_OtherCustomerRedressMember_documentation_en-US" xlink:label="lab_bcs_OtherCustomerRedressMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a provision for other customer redress.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_OtherCustomerRedressMember" xlink:href="bcs-20260630.xsd#bcs_OtherCustomerRedressMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_OtherCustomerRedressMember" xlink:to="lab_bcs_OtherCustomerRedressMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleMember_019edf59-c18f-7f86-aec5-1571dd2c893f_terseLabel_en-US" xlink:label="lab_ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets and liabilities classified as held for sale</link:label>
    <link:label id="lab_ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleMember_label_en-US" xlink:label="lab_ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets and liabilities classified as held for sale [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleMember" xlink:to="lab_ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DisclosureOfMovementsInAssetsAndLiabilitiesTableTextBlock_019edf59-c190-7895-987e-70d048fe20b8_terseLabel_en-US" xlink:label="lab_bcs_DisclosureOfMovementsInAssetsAndLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Analysis of movements in Level 3 assets and liabilities</link:label>
    <link:label id="lab_bcs_DisclosureOfMovementsInAssetsAndLiabilitiesTableTextBlock_label_en-US" xlink:label="lab_bcs_DisclosureOfMovementsInAssetsAndLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Movements In Assets And Liabilities [Table Text Block]</link:label>
    <link:label id="lab_bcs_DisclosureOfMovementsInAssetsAndLiabilitiesTableTextBlock_documentation_en-US" xlink:label="lab_bcs_DisclosureOfMovementsInAssetsAndLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The tabular disclosure of the analysis of movements in assets and liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DisclosureOfMovementsInAssetsAndLiabilitiesTableTextBlock" xlink:href="bcs-20260630.xsd#bcs_DisclosureOfMovementsInAssetsAndLiabilitiesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_DisclosureOfMovementsInAssetsAndLiabilitiesTableTextBlock" xlink:to="lab_bcs_DisclosureOfMovementsInAssetsAndLiabilitiesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome_019edf59-c18f-70e1-bc84-21cec9527cc7_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value through other comprehensive income reserve</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income, net of tax, financial assets measured at fair value through other comprehensive income</link:label>
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    <link:label id="lab_ifrs-full_ClassesOfContingentLiabilitiesDomain_019edf59-c18f-754f-85b2-252c0a194647_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of contingent liabilities [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfContingentLiabilitiesDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of contingent liabilities [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfContingentLiabilitiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:to="lab_ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember_019edf59-c225-7571-a7b6-2f359dc312ef_verboseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Financial assets at fair value through other comprehensive income</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember_019edf59-c225-7ecf-a046-899e98ffb930_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets at fair value through other comprehensive income</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets at fair value through other comprehensive income, category [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:to="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialLiabilitiesAxis_019ef476-0e52-70d2-a65f-cf27fd3ec4b8_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of financial liabilities [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfFinancialLiabilitiesAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of financial liabilities [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialLiabilitiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:to="lab_ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DecreaseThroughRedemptionOfPreferenceShares_019edf59-c18f-7001-8d24-92ddce16d195_negatedTerseLabel_en-US" xlink:label="lab_bcs_DecreaseThroughRedemptionOfPreferenceShares" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Redemption of preference shares</link:label>
    <link:label id="lab_bcs_DecreaseThroughRedemptionOfPreferenceShares_label_en-US" xlink:label="lab_bcs_DecreaseThroughRedemptionOfPreferenceShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease Through Redemption Of Preference Shares</link:label>
    <link:label id="lab_bcs_DecreaseThroughRedemptionOfPreferenceShares_documentation_en-US" xlink:label="lab_bcs_DecreaseThroughRedemptionOfPreferenceShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Decrease Through Redemption Of Preference Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DecreaseThroughRedemptionOfPreferenceShares" xlink:href="bcs-20260630.xsd#bcs_DecreaseThroughRedemptionOfPreferenceShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_DecreaseThroughRedemptionOfPreferenceShares" xlink:to="lab_bcs_DecreaseThroughRedemptionOfPreferenceShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialLiabilitiesDomain_019ef476-0e52-76e7-a765-f84b3295eded_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of financial liabilities [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfFinancialLiabilitiesDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of financial liabilities [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialLiabilitiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="lab_ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_NetAssetsLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale_019edf59-c18f-7c9d-815c-d4885e5fcf42_terseLabel_en-US" xlink:label="lab_bcs_NetAssetsLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net assets (liabilities) classified as held for sale</link:label>
    <link:label id="lab_bcs_NetAssetsLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale_019edf59-c18f-7d08-8747-9194e5d97e67_totalLabel_en-US" xlink:label="lab_bcs_NetAssetsLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net assets classified as held for sale</link:label>
    <link:label id="lab_bcs_NetAssetsLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale_label_en-US" xlink:label="lab_bcs_NetAssetsLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Assets (Liabilities) Included in Disposal Groups Classified as Held For Sale</link:label>
    <link:label id="lab_bcs_NetAssetsLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale_documentation_en-US" xlink:label="lab_bcs_NetAssetsLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net Assets (Liabilities) Included in Disposal Groups Classified as Held For Sale</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_NetAssetsLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale" xlink:href="bcs-20260630.xsd#bcs_NetAssetsLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_NetAssetsLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale" xlink:to="lab_bcs_NetAssetsLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems_019edf59-c0d6-7994-9f26-f268b7cdaae1_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of other provisions [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of other provisions [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOtherProvisionsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:to="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract_019edf59-c190-7d35-a555-e391167d25c0_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of employee benefits expense [abstract]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract_label_en-US" xlink:label="lab_ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of employee benefits expense [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract" xlink:to="lab_ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_UndrawnContractuallyCommittedFacilitiesAndGuaranteesMember_019edf59-c18f-7afc-acf7-7b3207fd14f4_terseLabel_en-US" xlink:label="lab_bcs_UndrawnContractuallyCommittedFacilitiesAndGuaranteesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Undrawn contractually committed facilities and guarantees</link:label>
    <link:label id="lab_bcs_UndrawnContractuallyCommittedFacilitiesAndGuaranteesMember_label_en-US" xlink:label="lab_bcs_UndrawnContractuallyCommittedFacilitiesAndGuaranteesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Undrawn Contractually Committed Facilities And Guarantees [Member]</link:label>
    <link:label id="lab_bcs_UndrawnContractuallyCommittedFacilitiesAndGuaranteesMember_documentation_en-US" xlink:label="lab_bcs_UndrawnContractuallyCommittedFacilitiesAndGuaranteesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for provisions are made if it is probable that a facility will be drawn and the resulting asset is expected to have a realisable value that is less than the amount advanced.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_UndrawnContractuallyCommittedFacilitiesAndGuaranteesMember" xlink:href="bcs-20260630.xsd#bcs_UndrawnContractuallyCommittedFacilitiesAndGuaranteesMember"/>
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    <link:label id="lab_ifrs-full_IncreaseThroughOriginationOrPurchaseExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts_019edf59-c225-7562-87a4-a107895afd98_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseThroughOriginationOrPurchaseExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business activity in the period</link:label>
    <link:label id="lab_ifrs-full_IncreaseThroughOriginationOrPurchaseExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts_label_en-US" xlink:label="lab_ifrs-full_IncreaseThroughOriginationOrPurchaseExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase through origination or purchase, exposure to credit risk on loan commitments and financial guarantee contracts</link:label>
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    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsExplanatory_019edf59-c225-7353-a9f1-5ca5916bbadf_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions</link:label>
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    <link:label id="lab_ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementLiabilities_019edf59-c18f-7f51-980f-d2b5071542c4_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total gains or losses recognised in OCI, liabilities</link:label>
    <link:label id="lab_ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementLiabilities_label_en-US" xlink:label="lab_ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (losses) recognised in other comprehensive income including exchange differences, fair value measurement, liabilities</link:label>
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    <link:label id="lab_bcs_CrossDefaultRiskMember_019edf59-c225-7824-a55a-540f541893c2_terseLabel_en-US" xlink:label="lab_bcs_CrossDefaultRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cross default risk</link:label>
    <link:label id="lab_bcs_CrossDefaultRiskMember_label_en-US" xlink:label="lab_bcs_CrossDefaultRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cross Default Risk [Member]</link:label>
    <link:label id="lab_bcs_CrossDefaultRiskMember_documentation_en-US" xlink:label="lab_bcs_CrossDefaultRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cross Default Risk</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_CrossDefaultRiskMember" xlink:href="bcs-20260630.xsd#bcs_CrossDefaultRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_CrossDefaultRiskMember" xlink:to="lab_bcs_CrossDefaultRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_BrokerageCommissionsAndClientExecutionFeesMember_019edf59-c18f-7344-9942-c0bf7dd05ce3_terseLabel_en-US" xlink:label="lab_bcs_BrokerageCommissionsAndClientExecutionFeesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Brokerage and execution</link:label>
    <link:label id="lab_bcs_BrokerageCommissionsAndClientExecutionFeesMember_label_en-US" xlink:label="lab_bcs_BrokerageCommissionsAndClientExecutionFeesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Brokerage Commissions And Client Execution Fees [Member]</link:label>
    <link:label id="lab_bcs_BrokerageCommissionsAndClientExecutionFeesMember_documentation_en-US" xlink:label="lab_bcs_BrokerageCommissionsAndClientExecutionFeesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for fees earned for executing client transactions with exchanges and over-the- counter markets and assisting clients in clearing transactions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_BrokerageCommissionsAndClientExecutionFeesMember" xlink:href="bcs-20260630.xsd#bcs_BrokerageCommissionsAndClientExecutionFeesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_BrokerageCommissionsAndClientExecutionFeesMember" xlink:to="lab_bcs_BrokerageCommissionsAndClientExecutionFeesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_CalledUpShareCapitalAndSharePremium_019edf59-c18f-7b76-a5d9-bee8108349b1_terseLabel_en-US" xlink:label="lab_bcs_CalledUpShareCapitalAndSharePremium" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Called up share capital and share premium</link:label>
    <link:label id="lab_bcs_CalledUpShareCapitalAndSharePremium_label_en-US" xlink:label="lab_bcs_CalledUpShareCapitalAndSharePremium" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Called Up Share Capital And Share Premium</link:label>
    <link:label id="lab_bcs_CalledUpShareCapitalAndSharePremium_documentation_en-US" xlink:label="lab_bcs_CalledUpShareCapitalAndSharePremium" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of issued capital including the amount received or receivable from issuance of the entity's shares in excess of nominal value.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_CalledUpShareCapitalAndSharePremium" xlink:href="bcs-20260630.xsd#bcs_CalledUpShareCapitalAndSharePremium"/>
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    <link:label id="lab_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsLineItems_019edf59-c0d6-747b-9d3d-dd25b832afa3_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of offsetting of financial assets [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of offsetting of financial assets [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOffsettingOfFinancialAssetsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsLineItems" xlink:to="lab_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_ManagementValueAtRiskTableTextBlock_019edf59-c225-7b1e-a939-1143abab0ddc_terseLabel_en-US" xlink:label="lab_bcs_ManagementValueAtRiskTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of management value at risk</link:label>
    <link:label id="lab_bcs_ManagementValueAtRiskTableTextBlock_label_en-US" xlink:label="lab_bcs_ManagementValueAtRiskTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Management Value At Risk [Table Text Block]</link:label>
    <link:label id="lab_bcs_ManagementValueAtRiskTableTextBlock_documentation_en-US" xlink:label="lab_bcs_ManagementValueAtRiskTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The tabular disclosure of the daily average, maximum and minimum values of management value at risk.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_ManagementValueAtRiskTableTextBlock" xlink:href="bcs-20260630.xsd#bcs_ManagementValueAtRiskTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_ManagementValueAtRiskTableTextBlock" xlink:to="lab_bcs_ManagementValueAtRiskTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SocialSecurityContributions_019edf59-c225-7f17-8e8a-a73694f4a69c_terseLabel_en-US" xlink:label="lab_ifrs-full_SocialSecurityContributions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Social security costs</link:label>
    <link:label id="lab_ifrs-full_SocialSecurityContributions_label_en-US" xlink:label="lab_ifrs-full_SocialSecurityContributions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Social security contributions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SocialSecurityContributions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SocialSecurityContributions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SocialSecurityContributions" xlink:to="lab_ifrs-full_SocialSecurityContributions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExplanationOfCreditRiskManagementPracticesAndHowTheyRelateToRecognitionAndMeasurementOfExpectedCreditLossesExplanatory_019edf59-c18f-7912-af35-67618fef9267_terseLabel_en-US" xlink:label="lab_ifrs-full_ExplanationOfCreditRiskManagementPracticesAndHowTheyRelateToRecognitionAndMeasurementOfExpectedCreditLossesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of management adjustment to models for impairment</link:label>
    <link:label id="lab_ifrs-full_ExplanationOfCreditRiskManagementPracticesAndHowTheyRelateToRecognitionAndMeasurementOfExpectedCreditLossesExplanatory_label_en-US" xlink:label="lab_ifrs-full_ExplanationOfCreditRiskManagementPracticesAndHowTheyRelateToRecognitionAndMeasurementOfExpectedCreditLossesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Explanation of credit risk management practices and how they relate to recognition and measurement of expected credit losses [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExplanationOfCreditRiskManagementPracticesAndHowTheyRelateToRecognitionAndMeasurementOfExpectedCreditLossesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExplanationOfCreditRiskManagementPracticesAndHowTheyRelateToRecognitionAndMeasurementOfExpectedCreditLossesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExplanationOfCreditRiskManagementPracticesAndHowTheyRelateToRecognitionAndMeasurementOfExpectedCreditLossesExplanatory" xlink:to="lab_ifrs-full_ExplanationOfCreditRiskManagementPracticesAndHowTheyRelateToRecognitionAndMeasurementOfExpectedCreditLossesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RestructuringProvisionMember_019edf59-c225-7079-b88d-ee92e90ac14f_terseLabel_en-US" xlink:label="lab_ifrs-full_RestructuringProvisionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Redundancy and restructuring</link:label>
    <link:label id="lab_ifrs-full_RestructuringProvisionMember_label_en-US" xlink:label="lab_ifrs-full_RestructuringProvisionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restructuring provision [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RestructuringProvisionMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RestructuringProvisionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RestructuringProvisionMember" xlink:to="lab_ifrs-full_RestructuringProvisionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable_019edf59-c0d6-719c-b6b4-de77f073e898_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember_019edf59-c18f-75fe-9e1c-2af094336cb8_verboseLabel_en-US" xlink:label="lab_bcs_OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Off balance sheet loan commitments and financial guarantee contracts</link:label>
    <link:label id="lab_bcs_OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember_019edf59-c18f-7e4c-8ef3-045728b357e2_terseLabel_en-US" xlink:label="lab_bcs_OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ECL movement on loan commitments and other financial guarantees</link:label>
    <link:label id="lab_bcs_OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember_label_en-US" xlink:label="lab_bcs_OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Off-Balance Sheet Loan Commitments And Financial Guarantee Contracts [Member]</link:label>
    <link:label id="lab_bcs_OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember_documentation_en-US" xlink:label="lab_bcs_OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for off balance sheet loan commitments and financial guarantee contracts.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember" xlink:href="bcs-20260630.xsd#bcs_OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember" xlink:to="lab_bcs_OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions_019edf59-c18f-7a46-bc8c-1158e4285baf_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase (decrease) through treasury share transactions, equity</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions_019edf59-c18f-7798-b945-c7f8001d0b03_verboseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Increase (decrease) through treasury share transactions, equity</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through treasury share transactions, equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_NumberOfLawsuitsConsolidatedIntoASeparateLawsuit_019edf59-c225-7f81-b57f-c313ca1f848c_terseLabel_en-US" xlink:label="lab_bcs_NumberOfLawsuitsConsolidatedIntoASeparateLawsuit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of lawsuits consolidated into a separate lawsuit</link:label>
    <link:label id="lab_bcs_NumberOfLawsuitsConsolidatedIntoASeparateLawsuit_label_en-US" xlink:label="lab_bcs_NumberOfLawsuitsConsolidatedIntoASeparateLawsuit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Lawsuits Consolidated Into A Separate Lawsuit</link:label>
    <link:label id="lab_bcs_NumberOfLawsuitsConsolidatedIntoASeparateLawsuit_documentation_en-US" xlink:label="lab_bcs_NumberOfLawsuitsConsolidatedIntoASeparateLawsuit" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Lawsuits Consolidated Into A Separate Lawsuit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_NumberOfLawsuitsConsolidatedIntoASeparateLawsuit" xlink:href="bcs-20260630.xsd#bcs_NumberOfLawsuitsConsolidatedIntoASeparateLawsuit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_NumberOfLawsuitsConsolidatedIntoASeparateLawsuit" xlink:to="lab_bcs_NumberOfLawsuitsConsolidatedIntoASeparateLawsuit" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfContingentLiabilitiesAbstract_019edf59-c225-7979-8962-f28e68eb6508_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfContingentLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of contingent liabilities [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfContingentLiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfContingentLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of contingent liabilities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfContingentLiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfContingentLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfContingentLiabilitiesAbstract" xlink:to="lab_ifrs-full_DisclosureOfContingentLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory_019edf59-c18f-7c42-abbc-ebf70112ec32_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total fees in scope of IFRS 15 Revenues from Contracts with Customers</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of disaggregation of revenue from contracts with customers [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DepositsFromCustomersAtAmortisedCost_019edf59-c225-7d64-86fd-4c38d3f16405_terseLabel_en-US" xlink:label="lab_ifrs-full_DepositsFromCustomersAtAmortisedCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deposits at amortised cost from customers</link:label>
    <link:label id="lab_ifrs-full_DepositsFromCustomersAtAmortisedCost_label_en-US" xlink:label="lab_ifrs-full_DepositsFromCustomersAtAmortisedCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deposits from customers at amortised cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepositsFromCustomersAtAmortisedCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DepositsFromCustomersAtAmortisedCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepositsFromCustomersAtAmortisedCost" xlink:to="lab_ifrs-full_DepositsFromCustomersAtAmortisedCost" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfFinancialLiabilitiesAxis_019edf59-c18f-74ff-8f0c-05260647987d_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfFinancialLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of financial liabilities [axis]</link:label>
    <link:label id="lab_ifrs-full_TypesOfFinancialLiabilitiesAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfFinancialLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of financial liabilities [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfFinancialLiabilitiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfFinancialLiabilitiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfFinancialLiabilitiesAxis" xlink:to="lab_ifrs-full_TypesOfFinancialLiabilitiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DerivativeFinancialLiabilitiesMember_019edf59-c190-787d-8d4f-96090c408e7d_terseLabel_en-US" xlink:label="lab_bcs_DerivativeFinancialLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative financial liabilities</link:label>
    <link:label id="lab_bcs_DerivativeFinancialLiabilitiesMember_label_en-US" xlink:label="lab_bcs_DerivativeFinancialLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Financial Liabilities [Member]</link:label>
    <link:label id="lab_bcs_DerivativeFinancialLiabilitiesMember_documentation_en-US" xlink:label="lab_bcs_DerivativeFinancialLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for derivative financial liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DerivativeFinancialLiabilitiesMember" xlink:href="bcs-20260630.xsd#bcs_DerivativeFinancialLiabilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_DerivativeFinancialLiabilitiesMember" xlink:to="lab_bcs_DerivativeFinancialLiabilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_019edf59-c190-7885-928e-053e3e5ed130_terseLabel_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity holders of the parent</link:label>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_label_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive income, attributable to owners of parent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:to="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_InfrastructureAdministrationAndGeneralExpenses_019edf59-c18f-72c9-a92d-7257ff92703c_negatedLabel_en-US" xlink:label="lab_bcs_InfrastructureAdministrationAndGeneralExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Infrastructure, administration and general expenses</link:label>
    <link:label id="lab_bcs_InfrastructureAdministrationAndGeneralExpenses_019edf59-c18f-7579-9ac3-63b9c2b2b942_totalLabel_en-US" xlink:label="lab_bcs_InfrastructureAdministrationAndGeneralExpenses" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total infrastructure, administration and general expenses</link:label>
    <link:label id="lab_bcs_InfrastructureAdministrationAndGeneralExpenses_label_en-US" xlink:label="lab_bcs_InfrastructureAdministrationAndGeneralExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Infrastructure, Administration And General Expenses</link:label>
    <link:label id="lab_bcs_InfrastructureAdministrationAndGeneralExpenses_documentation_en-US" xlink:label="lab_bcs_InfrastructureAdministrationAndGeneralExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of infrastructure costs, general and administrative activities of the entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_InfrastructureAdministrationAndGeneralExpenses" xlink:href="bcs-20260630.xsd#bcs_InfrastructureAdministrationAndGeneralExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_InfrastructureAdministrationAndGeneralExpenses" xlink:to="lab_bcs_InfrastructureAdministrationAndGeneralExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_MinimumMember_019f6ff3-8d60-7bec-813c-51bc6117fb6e_terseLabel_en-US" xlink:label="lab_srt_MinimumMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum</link:label>
    <link:label id="lab_srt_MinimumMember_label_en-US" xlink:label="lab_srt_MinimumMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MinimumMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MinimumMember" xlink:to="lab_srt_MinimumMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTradingCategoryMember_019edf59-c18f-7b0d-86a4-1006967d5ca3_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTradingCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trading portfolio assets</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTradingCategoryMember_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTradingCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets at fair value through profit or loss, classified as held for trading, category [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTradingCategoryMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTradingCategoryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTradingCategoryMember" xlink:to="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTradingCategoryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PurchasesFairValueMeasurementAssets_019edf59-c225-7e3f-9cfa-e83f58f3ae6d_terseLabel_en-US" xlink:label="lab_ifrs-full_PurchasesFairValueMeasurementAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchases, fair value measurement, assets</link:label>
    <link:label id="lab_ifrs-full_PurchasesFairValueMeasurementAssets_label_en-US" xlink:label="lab_ifrs-full_PurchasesFairValueMeasurementAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchases, fair value measurement, assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PurchasesFairValueMeasurementAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PurchasesFairValueMeasurementAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchasesFairValueMeasurementAssets" xlink:to="lab_ifrs-full_PurchasesFairValueMeasurementAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_OtherIncomeExpense_019edf59-c225-7b8a-9f5f-583c7d0a33d4_terseLabel_en-US" xlink:label="lab_bcs_OtherIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-interest income</link:label>
    <link:label id="lab_bcs_OtherIncomeExpense_label_en-US" xlink:label="lab_bcs_OtherIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Income (Expense)</link:label>
    <link:label id="lab_bcs_OtherIncomeExpense_documentation_en-US" xlink:label="lab_bcs_OtherIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Income (Expense)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_OtherIncomeExpense" xlink:href="bcs-20260630.xsd#bcs_OtherIncomeExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_OtherIncomeExpense" xlink:to="lab_bcs_OtherIncomeExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CapitalRedemptionReserveMember_019edf59-c225-76b2-b087-139fd72eedd6_terseLabel_en-US" xlink:label="lab_ifrs-full_CapitalRedemptionReserveMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital redemption reserve</link:label>
    <link:label id="lab_ifrs-full_CapitalRedemptionReserveMember_label_en-US" xlink:label="lab_ifrs-full_CapitalRedemptionReserveMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital redemption reserve [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CapitalRedemptionReserveMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CapitalRedemptionReserveMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CapitalRedemptionReserveMember" xlink:to="lab_ifrs-full_CapitalRedemptionReserveMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Liabilities_019edf59-c0d6-7e91-a51a-b85537aa850a_totalLabel_en-US" xlink:label="lab_ifrs-full_Liabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total liabilities</link:label>
    <link:label id="lab_ifrs-full_Liabilities_019edf59-c0d6-7f3c-bb8c-b5ee03021e4d_terseLabel_en-US" xlink:label="lab_ifrs-full_Liabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total liabilities</link:label>
    <link:label id="lab_ifrs-full_Liabilities_label_en-US" xlink:label="lab_ifrs-full_Liabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Liabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Liabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Liabilities" xlink:to="lab_ifrs-full_Liabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_PRATransitionalTierOneCapitalMember_019edf59-c18f-7682-ae78-2ca719f71114_terseLabel_en-US" xlink:label="lab_bcs_PRATransitionalTierOneCapitalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">T1 capital</link:label>
    <link:label id="lab_bcs_PRATransitionalTierOneCapitalMember_label_en-US" xlink:label="lab_bcs_PRATransitionalTierOneCapitalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">PRA Transitional Tier One Capital [Member]</link:label>
    <link:label id="lab_bcs_PRATransitionalTierOneCapitalMember_documentation_en-US" xlink:label="lab_bcs_PRATransitionalTierOneCapitalMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the PRA (a subsidiary of the Bank of England) transitional tier 1 regulatory capital on the entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_PRATransitionalTierOneCapitalMember" xlink:href="bcs-20260630.xsd#bcs_PRATransitionalTierOneCapitalMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_PRATransitionalTierOneCapitalMember" xlink:to="lab_bcs_PRATransitionalTierOneCapitalMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_TierTwoCapitalInstrumentsMember_019edf59-c225-7857-aa77-ac5a0c7f12c5_terseLabel_en-US" xlink:label="lab_bcs_TierTwoCapitalInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">T2 capital</link:label>
    <link:label id="lab_bcs_TierTwoCapitalInstrumentsMember_label_en-US" xlink:label="lab_bcs_TierTwoCapitalInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tier Two Capital Instruments [member]</link:label>
    <link:label id="lab_bcs_TierTwoCapitalInstrumentsMember_documentation_en-US" xlink:label="lab_bcs_TierTwoCapitalInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the tier 2 (T2) captial instruments of the entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_TierTwoCapitalInstrumentsMember" xlink:href="bcs-20260630.xsd#bcs_TierTwoCapitalInstrumentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_TierTwoCapitalInstrumentsMember" xlink:to="lab_bcs_TierTwoCapitalInstrumentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome_019edf59-c225-705d-b008-011c8d13569f_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets at fair value through other comprehensive income</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets at fair value through other comprehensive income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:to="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_CivilActionsInRespectOfTheUSAntiTerrorismActSDNYMember_019edf59-c18f-7d91-a82e-f43636ea93f1_terseLabel_en-US" xlink:label="lab_bcs_CivilActionsInRespectOfTheUSAntiTerrorismActSDNYMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Civil actions in respect of the US Anti-Terrorism Act - SDNY</link:label>
    <link:label id="lab_bcs_CivilActionsInRespectOfTheUSAntiTerrorismActSDNYMember_label_en-US" xlink:label="lab_bcs_CivilActionsInRespectOfTheUSAntiTerrorismActSDNYMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Civil actions in respect of the US Anti-Terrorism Act - SDNY [Member]</link:label>
    <link:label id="lab_bcs_CivilActionsInRespectOfTheUSAntiTerrorismActSDNYMember_documentation_en-US" xlink:label="lab_bcs_CivilActionsInRespectOfTheUSAntiTerrorismActSDNYMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Civil actions in respect of the US Anti-Terrorism Act - SDNY</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_CivilActionsInRespectOfTheUSAntiTerrorismActSDNYMember" xlink:href="bcs-20260630.xsd#bcs_CivilActionsInRespectOfTheUSAntiTerrorismActSDNYMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_CivilActionsInRespectOfTheUSAntiTerrorismActSDNYMember" xlink:to="lab_bcs_CivilActionsInRespectOfTheUSAntiTerrorismActSDNYMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfSubordinatedLiabilitiesExplanatory_019edf59-c18f-79b6-85e4-fcf632365490_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSubordinatedLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subordinated liabilities</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfSubordinatedLiabilitiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSubordinatedLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of subordinated liabilities [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSubordinatedLiabilitiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSubordinatedLiabilitiesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSubordinatedLiabilitiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfSubordinatedLiabilitiesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory_019edf59-c18f-7bdb-b70e-d53a020bc4c6_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill and intangible assets</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of intangible assets and goodwill [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:to="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions_019edf59-c225-7c0f-9750-7d56264af169_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vesting of employee share schemes net of purchases</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through exercise of options, equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughExerciseOfOptions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets_019edf59-c225-7463-8d81-4bab838a7af9_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total gains and losses in the period recognised in the income statement, assets</link:label>
    <link:label id="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets_label_en-US" xlink:label="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (losses) recognised in profit or loss including exchange differences, fair value measurement, assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets" xlink:to="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryOtherIncomeMember_019edf59-c18f-7576-a02a-6d3d82d417e7_terseLabel_en-US" xlink:label="lab_bcs_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryOtherIncomeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial liabilities at fair value through profit or loss, category other income</link:label>
    <link:label id="lab_bcs_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryOtherIncomeMember_label_en-US" xlink:label="lab_bcs_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryOtherIncomeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Liabilities At Fair Value Through Profit Or Loss, Category Other Income [Member]</link:label>
    <link:label id="lab_bcs_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryOtherIncomeMember_documentation_en-US" xlink:label="lab_bcs_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryOtherIncomeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the financial liabilities at fair value through profit or loss category, located in other income. [Refer: Financial liabilities at fair value through profit or loss]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryOtherIncomeMember" xlink:href="bcs-20260630.xsd#bcs_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryOtherIncomeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryOtherIncomeMember" xlink:to="lab_bcs_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryOtherIncomeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_BusinessBankingMember_019edf59-c18f-79fe-86f8-b56b18358389_terseLabel_en-US" xlink:label="lab_bcs_BusinessBankingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Banking</link:label>
    <link:label id="lab_bcs_BusinessBankingMember_label_en-US" xlink:label="lab_bcs_BusinessBankingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Banking [Member]</link:label>
    <link:label id="lab_bcs_BusinessBankingMember_documentation_en-US" xlink:label="lab_bcs_BusinessBankingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Business Banking</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_BusinessBankingMember" xlink:href="bcs-20260630.xsd#bcs_BusinessBankingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_BusinessBankingMember" xlink:to="lab_bcs_BusinessBankingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeTaxRelatingToExchangeDifferencesOnTranslationOfOtherComprehensiveIncome_019edfa2-5b17-77c2-8399-a74c55fae8ae_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxRelatingToExchangeDifferencesOnTranslationOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Tax</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxRelatingToExchangeDifferencesOnTranslationOfOtherComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_IncomeTaxRelatingToExchangeDifferencesOnTranslationOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income tax relating to exchange differences on translation of foreign operations included in other comprehensive income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxRelatingToExchangeDifferencesOnTranslationOfOtherComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeTaxRelatingToExchangeDifferencesOnTranslationOfOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxRelatingToExchangeDifferencesOnTranslationOfOtherComprehensiveIncome" xlink:to="lab_ifrs-full_IncomeTaxRelatingToExchangeDifferencesOnTranslationOfOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_ECLFromPostModelManagementAdjustmentsEconomicUncertaintyAdjustmentsMember_019edf59-c0d6-763d-940c-4711f5802c25_terseLabel_en-US" xlink:label="lab_bcs_ECLFromPostModelManagementAdjustmentsEconomicUncertaintyAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ECL from economic uncertainty adjustments</link:label>
    <link:label id="lab_bcs_ECLFromPostModelManagementAdjustmentsEconomicUncertaintyAdjustmentsMember_label_en-US" xlink:label="lab_bcs_ECLFromPostModelManagementAdjustmentsEconomicUncertaintyAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ECL From Post-Model Management Adjustments, Economic Uncertainty Adjustments [Member]</link:label>
    <link:label id="lab_bcs_ECLFromPostModelManagementAdjustmentsEconomicUncertaintyAdjustmentsMember_documentation_en-US" xlink:label="lab_bcs_ECLFromPostModelManagementAdjustmentsEconomicUncertaintyAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ECL From Post-Model Management Adjustments, Economic Uncertainty Adjustments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_ECLFromPostModelManagementAdjustmentsEconomicUncertaintyAdjustmentsMember" xlink:href="bcs-20260630.xsd#bcs_ECLFromPostModelManagementAdjustmentsEconomicUncertaintyAdjustmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_ECLFromPostModelManagementAdjustmentsEconomicUncertaintyAdjustmentsMember" xlink:to="lab_bcs_ECLFromPostModelManagementAdjustmentsEconomicUncertaintyAdjustmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfCreditRiskExposureAbstract_019edf59-c18f-7f9a-a367-b214fe1d2d74_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfCreditRiskExposureAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of credit risk exposure [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfCreditRiskExposureAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfCreditRiskExposureAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of credit risk exposure [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCreditRiskExposureAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfCreditRiskExposureAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfCreditRiskExposureAbstract" xlink:to="lab_ifrs-full_DisclosureOfCreditRiskExposureAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialAssetsAxis_019edf59-c18f-76c1-a5c4-813757388777_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Categories of financial assets [axis]</link:label>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialAssetsAxis_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Categories of financial assets [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialAssetsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:to="lab_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_NumberOfPlaintiffs_019edf59-c0d6-7789-af4f-72a1ab56dfcc_terseLabel_en-US" xlink:label="lab_bcs_NumberOfPlaintiffs" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of plaintiffs</link:label>
    <link:label id="lab_bcs_NumberOfPlaintiffs_label_en-US" xlink:label="lab_bcs_NumberOfPlaintiffs" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Plaintiffs</link:label>
    <link:label id="lab_bcs_NumberOfPlaintiffs_documentation_en-US" xlink:label="lab_bcs_NumberOfPlaintiffs" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Plaintiffs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_NumberOfPlaintiffs" xlink:href="bcs-20260630.xsd#bcs_NumberOfPlaintiffs"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_NumberOfPlaintiffs" xlink:to="lab_bcs_NumberOfPlaintiffs" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_AmericanAirlinesPortfolioMember_019f8c21-683f-7ec9-8a65-55cb57d61787_terseLabel_en-US" xlink:label="lab_bcs_AmericanAirlinesPortfolioMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">American Airlines Portfolio</link:label>
    <link:label id="lab_bcs_AmericanAirlinesPortfolioMember_label_en-US" xlink:label="lab_bcs_AmericanAirlinesPortfolioMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">American Airlines Portfolio [Member]</link:label>
    <link:label id="lab_bcs_AmericanAirlinesPortfolioMember_documentation_en-US" xlink:label="lab_bcs_AmericanAirlinesPortfolioMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">American Airlines Portfolio</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_AmericanAirlinesPortfolioMember" xlink:href="bcs-20260630.xsd#bcs_AmericanAirlinesPortfolioMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_AmericanAirlinesPortfolioMember" xlink:to="lab_bcs_AmericanAirlinesPortfolioMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfFinancialLiabilitiesDomain_019edf59-c18f-76e8-9963-658611955f1c_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfFinancialLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of financial liabilities [domain]</link:label>
    <link:label id="lab_ifrs-full_TypesOfFinancialLiabilitiesDomain_label_en-US" xlink:label="lab_ifrs-full_TypesOfFinancialLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of financial liabilities [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfFinancialLiabilitiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfFinancialLiabilitiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfFinancialLiabilitiesDomain" xlink:to="lab_ifrs-full_TypesOfFinancialLiabilitiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_OtherReservesAndTreasurySharesMember_019ef4f8-8ec1-7386-a0a1-4e1d85e25ef9_verboseLabel_en-US" xlink:label="lab_bcs_OtherReservesAndTreasurySharesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other reserves and treasury shares</link:label>
    <link:label id="lab_bcs_OtherReservesAndTreasurySharesMember_label_en-US" xlink:label="lab_bcs_OtherReservesAndTreasurySharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Reserves And Treasury Shares [Member]</link:label>
    <link:label id="lab_bcs_OtherReservesAndTreasurySharesMember_documentation_en-US" xlink:label="lab_bcs_OtherReservesAndTreasurySharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands a component of equity representing reserves within equity, not including retained earnings. This does include the entity's own equity instruments, held by the entity or other members of the consolidated group.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_OtherReservesAndTreasurySharesMember" xlink:href="bcs-20260630.xsd#bcs_OtherReservesAndTreasurySharesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_OtherReservesAndTreasurySharesMember" xlink:to="lab_bcs_OtherReservesAndTreasurySharesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueOfPlanAssetsLineItems_019edf59-c190-7acf-a5ab-3e6c7533b2cf_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueOfPlanAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of fair value of plan assets [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueOfPlanAssetsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueOfPlanAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of fair value of plan assets [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFairValueOfPlanAssetsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueOfPlanAssetsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFairValueOfPlanAssetsLineItems" xlink:to="lab_ifrs-full_DisclosureOfFairValueOfPlanAssetsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProductsAndServicesAxis_019edf59-c18f-7d31-ace9-ab50e5320a69_terseLabel_en-US" xlink:label="lab_ifrs-full_ProductsAndServicesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Products and services [axis]</link:label>
    <link:label id="lab_ifrs-full_ProductsAndServicesAxis_label_en-US" xlink:label="lab_ifrs-full_ProductsAndServicesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Products and services [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProductsAndServicesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProductsAndServicesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProductsAndServicesAxis" xlink:to="lab_ifrs-full_ProductsAndServicesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReservesWithinEquityLineItems_019edf59-c18f-7626-bd89-e6d02191353f_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReservesWithinEquityLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of reserves within equity [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReservesWithinEquityLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReservesWithinEquityLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of reserves within equity [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReservesWithinEquityLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReservesWithinEquityLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReservesWithinEquityLineItems" xlink:to="lab_ifrs-full_DisclosureOfReservesWithinEquityLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable_019edf59-c18f-74d9-9f96-44f7ecf777f5_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of nature and extent of risks arising from financial instruments [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of nature and extent of risks arising from financial instruments [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:to="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReservesWithinEquityAbstract_019edf59-c225-78df-8fde-0594572e7046_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReservesWithinEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of reserves within equity [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReservesWithinEquityAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReservesWithinEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of reserves within equity [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReservesWithinEquityAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReservesWithinEquityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReservesWithinEquityAbstract" xlink:to="lab_ifrs-full_DisclosureOfReservesWithinEquityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeTaxExpenseContinuingOperations_019edf59-c190-7a71-bfc9-ab7839dc457d_negatedLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Tax charge</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxExpenseContinuingOperations_label_en-US" xlink:label="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax expense (income)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:to="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_ContingentLiabilitiesAndFinancialGuaranteesDomain_019f8905-9475-7bb7-b2f3-29fb0ac658dd_terseLabel_en-US" xlink:label="lab_bcs_ContingentLiabilitiesAndFinancialGuaranteesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitments and Contingent Liabilities [Domain]</link:label>
    <link:label id="lab_bcs_ContingentLiabilitiesAndFinancialGuaranteesDomain_label_en-US" xlink:label="lab_bcs_ContingentLiabilitiesAndFinancialGuaranteesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contingent Liabilities and Financial Guarantees [Domain]</link:label>
    <link:label id="lab_bcs_ContingentLiabilitiesAndFinancialGuaranteesDomain_documentation_en-US" xlink:label="lab_bcs_ContingentLiabilitiesAndFinancialGuaranteesDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contingent Liabilities and Financial Guarantees [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_ContingentLiabilitiesAndFinancialGuaranteesDomain" xlink:href="bcs-20260630.xsd#bcs_ContingentLiabilitiesAndFinancialGuaranteesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_ContingentLiabilitiesAndFinancialGuaranteesDomain" xlink:to="lab_bcs_ContingentLiabilitiesAndFinancialGuaranteesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_NetInvestmentIncomeExpense_019edf59-c18f-7d41-8e57-f3f535606634_terseLabel_en-US" xlink:label="lab_bcs_NetInvestmentIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net investment income/(expense)</link:label>
    <link:label id="lab_bcs_NetInvestmentIncomeExpense_label_en-US" xlink:label="lab_bcs_NetInvestmentIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Investment Income (Expense)</link:label>
    <link:label id="lab_bcs_NetInvestmentIncomeExpense_documentation_en-US" xlink:label="lab_bcs_NetInvestmentIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of income or expense arising from investments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_NetInvestmentIncomeExpense" xlink:href="bcs-20260630.xsd#bcs_NetInvestmentIncomeExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_NetInvestmentIncomeExpense" xlink:to="lab_bcs_NetInvestmentIncomeExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DeferredBonusCharges_019edf59-c225-79e5-a79f-f5e15f856269_terseLabel_en-US" xlink:label="lab_bcs_DeferredBonusCharges" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred bonus charge</link:label>
    <link:label id="lab_bcs_DeferredBonusCharges_label_en-US" xlink:label="lab_bcs_DeferredBonusCharges" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Bonus Charges</link:label>
    <link:label id="lab_bcs_DeferredBonusCharges_documentation_en-US" xlink:label="lab_bcs_DeferredBonusCharges" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of costs relating to deferred bonus charges.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DeferredBonusCharges" xlink:href="bcs-20260630.xsd#bcs_DeferredBonusCharges"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_DeferredBonusCharges" xlink:to="lab_bcs_DeferredBonusCharges" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_BaselineMember_019edf59-c0d6-7e2e-8a89-638e29230ec1_terseLabel_en-US" xlink:label="lab_bcs_BaselineMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Baseline</link:label>
    <link:label id="lab_bcs_BaselineMember_label_en-US" xlink:label="lab_bcs_BaselineMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Baseline [member]</link:label>
    <link:label id="lab_bcs_BaselineMember_documentation_en-US" xlink:label="lab_bcs_BaselineMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">An external consensus forecast is assembled from key sources, including HM Treasury, Bloomberg and the Urban Land Institute.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_BaselineMember" xlink:href="bcs-20260630.xsd#bcs_BaselineMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_BaselineMember" xlink:to="lab_bcs_BaselineMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialGuaranteeContractsMember_019edf59-c0d6-7b0c-8597-3d93c0252567_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialGuaranteeContractsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial guarantee contracts</link:label>
    <link:label id="lab_ifrs-full_FinancialGuaranteeContractsMember_label_en-US" xlink:label="lab_ifrs-full_FinancialGuaranteeContractsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial guarantee contracts [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialGuaranteeContractsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialGuaranteeContractsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialGuaranteeContractsMember" xlink:to="lab_ifrs-full_FinancialGuaranteeContractsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TwelvemonthExpectedCreditLossesMember_019edf59-c18f-70e2-a2f0-98d10ea27623_terseLabel_en-US" xlink:label="lab_ifrs-full_TwelvemonthExpectedCreditLossesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stage 1</link:label>
    <link:label id="lab_ifrs-full_TwelvemonthExpectedCreditLossesMember_label_en-US" xlink:label="lab_ifrs-full_TwelvemonthExpectedCreditLossesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">12-month expected credit losses [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TwelvemonthExpectedCreditLossesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TwelvemonthExpectedCreditLossesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TwelvemonthExpectedCreditLossesMember" xlink:to="lab_ifrs-full_TwelvemonthExpectedCreditLossesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_OperatingExpensesExcludingRegulatoryLeviesLitigationAndConduct_019edf59-c190-72d0-8a10-dcf320e9c69a_negatedLabel_en-US" xlink:label="lab_bcs_OperatingExpensesExcludingRegulatoryLeviesLitigationAndConduct" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Operating costs</link:label>
    <link:label id="lab_bcs_OperatingExpensesExcludingRegulatoryLeviesLitigationAndConduct_label_en-US" xlink:label="lab_bcs_OperatingExpensesExcludingRegulatoryLeviesLitigationAndConduct" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Expenses Excluding Regulatory Levies, Litigation And Conduct</link:label>
    <link:label id="lab_bcs_OperatingExpensesExcludingRegulatoryLeviesLitigationAndConduct_documentation_en-US" xlink:label="lab_bcs_OperatingExpensesExcludingRegulatoryLeviesLitigationAndConduct" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Operating Expenses Excluding Regulatory Levies, Litigation And Conduct</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_OperatingExpensesExcludingRegulatoryLeviesLitigationAndConduct" xlink:href="bcs-20260630.xsd#bcs_OperatingExpensesExcludingRegulatoryLeviesLitigationAndConduct"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_OperatingExpensesExcludingRegulatoryLeviesLitigationAndConduct" xlink:to="lab_bcs_OperatingExpensesExcludingRegulatoryLeviesLitigationAndConduct" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_ECLFromPostModelManagementAdjustmentsMember_019edf59-c18f-7c29-9772-55079711bad7_verboseLabel_en-US" xlink:label="lab_bcs_ECLFromPostModelManagementAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">ECL from post model management adjustments</link:label>
    <link:label id="lab_bcs_ECLFromPostModelManagementAdjustmentsMember_label_en-US" xlink:label="lab_bcs_ECLFromPostModelManagementAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ECL From Post-Model Management Adjustments [Member]</link:label>
    <link:label id="lab_bcs_ECLFromPostModelManagementAdjustmentsMember_documentation_en-US" xlink:label="lab_bcs_ECLFromPostModelManagementAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ECL From Post-Model Management Adjustments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_ECLFromPostModelManagementAdjustmentsMember" xlink:href="bcs-20260630.xsd#bcs_ECLFromPostModelManagementAdjustmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_ECLFromPostModelManagementAdjustmentsMember" xlink:to="lab_bcs_ECLFromPostModelManagementAdjustmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DisclosureOfLegalCompetitionAndRegulatoryMattersTextBlock_019edf59-c190-7960-a3a9-e9e3e8079c34_terseLabel_en-US" xlink:label="lab_bcs_DisclosureOfLegalCompetitionAndRegulatoryMattersTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Legal, competition and regulatory matters</link:label>
    <link:label id="lab_bcs_DisclosureOfLegalCompetitionAndRegulatoryMattersTextBlock_label_en-US" xlink:label="lab_bcs_DisclosureOfLegalCompetitionAndRegulatoryMattersTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Legal, Competition And Regulatory Matters [Text Block]</link:label>
    <link:label id="lab_bcs_DisclosureOfLegalCompetitionAndRegulatoryMattersTextBlock_documentation_en-US" xlink:label="lab_bcs_DisclosureOfLegalCompetitionAndRegulatoryMattersTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of legal, competition and regulatory matters.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DisclosureOfLegalCompetitionAndRegulatoryMattersTextBlock" xlink:href="bcs-20260630.xsd#bcs_DisclosureOfLegalCompetitionAndRegulatoryMattersTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_DisclosureOfLegalCompetitionAndRegulatoryMattersTextBlock" xlink:to="lab_bcs_DisclosureOfLegalCompetitionAndRegulatoryMattersTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod_019edf59-c18f-7ebc-a61c-d050074e7ee2_terseLabel_en-US" xlink:label="lab_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share of post-tax results of associates and joint ventures</link:label>
    <link:label id="lab_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod_label_en-US" xlink:label="lab_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share of profit (loss) of associates and joint ventures accounted for using equity method</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:to="lab_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_FinancialInstrumentsAtFairValueCategoryMember_019edf59-c18f-7f4d-bbb2-cef63ad3a066_terseLabel_en-US" xlink:label="lab_bcs_FinancialInstrumentsAtFairValueCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial instruments at fair value, category</link:label>
    <link:label id="lab_bcs_FinancialInstrumentsAtFairValueCategoryMember_label_en-US" xlink:label="lab_bcs_FinancialInstrumentsAtFairValueCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Instruments At Fair Value, Category [Member]</link:label>
    <link:label id="lab_bcs_FinancialInstrumentsAtFairValueCategoryMember_documentation_en-US" xlink:label="lab_bcs_FinancialInstrumentsAtFairValueCategoryMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the financial instruments measured at fair value.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_FinancialInstrumentsAtFairValueCategoryMember" xlink:href="bcs-20260630.xsd#bcs_FinancialInstrumentsAtFairValueCategoryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_FinancialInstrumentsAtFairValueCategoryMember" xlink:to="lab_bcs_FinancialInstrumentsAtFairValueCategoryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypeOfMeasurementOfExpectedCreditLossesDomain_019edf59-c190-70d5-9ccc-c5759b2bf35e_terseLabel_en-US" xlink:label="lab_ifrs-full_TypeOfMeasurementOfExpectedCreditLossesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Type of measurement of expected credit losses [domain]</link:label>
    <link:label id="lab_ifrs-full_TypeOfMeasurementOfExpectedCreditLossesDomain_label_en-US" xlink:label="lab_ifrs-full_TypeOfMeasurementOfExpectedCreditLossesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Type of measurement of expected credit losses [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypeOfMeasurementOfExpectedCreditLossesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypeOfMeasurementOfExpectedCreditLossesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypeOfMeasurementOfExpectedCreditLossesDomain" xlink:to="lab_ifrs-full_TypeOfMeasurementOfExpectedCreditLossesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashAndBankBalancesAtCentralBanks_019edf59-c18f-7bcb-86f3-6808a48a53b0_terseLabel_en-US" xlink:label="lab_ifrs-full_CashAndBankBalancesAtCentralBanks" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and balances at central banks</link:label>
    <link:label id="lab_ifrs-full_CashAndBankBalancesAtCentralBanks_label_en-US" xlink:label="lab_ifrs-full_CashAndBankBalancesAtCentralBanks" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and bank balances at central banks</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashAndBankBalancesAtCentralBanks" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashAndBankBalancesAtCentralBanks"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashAndBankBalancesAtCentralBanks" xlink:to="lab_ifrs-full_CashAndBankBalancesAtCentralBanks" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments_019edfa2-5b17-709a-afeb-5a25c89e368e_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value through other comprehensive income reserve</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income, before tax, gains (losses) from investments in equity instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipmentIncludingRightofuseAssets_019edf59-c225-7408-a88f-dc8654e8c08e_terseLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipmentIncludingRightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment</link:label>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipmentIncludingRightofuseAssets_label_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipmentIncludingRightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, plant and equipment including right-of-use assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PropertyPlantAndEquipmentIncludingRightofuseAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PropertyPlantAndEquipmentIncludingRightofuseAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PropertyPlantAndEquipmentIncludingRightofuseAssets" xlink:to="lab_ifrs-full_PropertyPlantAndEquipmentIncludingRightofuseAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValue_019ef44b-ed6e-7ab3-bc45-f0a42ce41d75_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValue" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total liabilities</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValue_019edf59-c18f-75d1-a07d-cadb81bd6b33_negatedPeriodStartLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValue" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning balance, financial liabilities</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValue_019edf59-c18f-7c65-98ad-5e39365e19fd_negatedPeriodEndLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValue" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="resource" xml:lang="en-US">Ending balance, financial liabilities</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValue_label_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial liabilities, at fair value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialLiabilitiesAtFairValue" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialLiabilitiesAtFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilitiesAtFairValue" xlink:to="lab_ifrs-full_FinancialLiabilitiesAtFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SellingGeneralAndAdministrativeExpense_019edf59-c18f-7b5f-a456-a06a58fcbdc8_totalLabel_en-US" xlink:label="lab_ifrs-full_SellingGeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total administration and general expenses</link:label>
    <link:label id="lab_ifrs-full_SellingGeneralAndAdministrativeExpense_label_en-US" xlink:label="lab_ifrs-full_SellingGeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Selling, general and administrative expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SellingGeneralAndAdministrativeExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SellingGeneralAndAdministrativeExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SellingGeneralAndAdministrativeExpense" xlink:to="lab_ifrs-full_SellingGeneralAndAdministrativeExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentPeriodEndDate_019edf59-c225-7d5e-839c-26532ade1bd5_terseLabel_en-US" xlink:label="lab_dei_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Period End Date</link:label>
    <link:label id="lab_dei_DocumentPeriodEndDate_label_en-US" xlink:label="lab_dei_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Period End Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentPeriodEndDate" xlink:to="lab_dei_DocumentPeriodEndDate" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_ReconciliationOfChangesInFairValueMeasurementAssetsLiabilitiesAbstract_019ef4af-6917-7372-8565-1982bb7fedbe_terseLabel_en-US" xlink:label="lab_bcs_ReconciliationOfChangesInFairValueMeasurementAssetsLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of changes in fair value measurement, assets (liabilities)</link:label>
    <link:label id="lab_bcs_ReconciliationOfChangesInFairValueMeasurementAssetsLiabilitiesAbstract_label_en-US" xlink:label="lab_bcs_ReconciliationOfChangesInFairValueMeasurementAssetsLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reconciliation Of Changes In Fair Value Measurement, Assets (Liabilities) [Abstract]</link:label>
    <link:label id="lab_bcs_ReconciliationOfChangesInFairValueMeasurementAssetsLiabilitiesAbstract_documentation_en-US" xlink:label="lab_bcs_ReconciliationOfChangesInFairValueMeasurementAssetsLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Reconciliation Of Changes In Fair Value Measurement, Assets (Liabilities)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_ReconciliationOfChangesInFairValueMeasurementAssetsLiabilitiesAbstract" xlink:href="bcs-20260630.xsd#bcs_ReconciliationOfChangesInFairValueMeasurementAssetsLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_ReconciliationOfChangesInFairValueMeasurementAssetsLiabilitiesAbstract" xlink:to="lab_bcs_ReconciliationOfChangesInFairValueMeasurementAssetsLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_HedgingInstrumentsDomain_019edf59-c225-787d-9eaf-5c4b0a80fcff_terseLabel_en-US" xlink:label="lab_ifrs-full_HedgingInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Hedging instruments [domain]</link:label>
    <link:label id="lab_ifrs-full_HedgingInstrumentsDomain_label_en-US" xlink:label="lab_ifrs-full_HedgingInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedging instruments [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_HedgingInstrumentsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_HedgingInstrumentsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_HedgingInstrumentsDomain" xlink:to="lab_ifrs-full_HedgingInstrumentsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis_019edf59-c0d6-7cf7-abb8-4486d70625b7_terseLabel_en-US" xlink:label="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-adjusting events after reporting period [axis]</link:label>
    <link:label id="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis_label_en-US" xlink:label="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-adjusting events after reporting period [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NonadjustingEventsAfterReportingPeriodAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:to="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale_019edf59-c225-7214-a5f9-21aca73d4660_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets included in a disposal group classified as held for sale</link:label>
    <link:label id="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale_019edf59-c225-7ad5-9883-a0fa7cf0d3b5_totalLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total assets classified as held for sale</link:label>
    <link:label id="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale_label_en-US" xlink:label="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current assets or disposal groups classified as held for sale</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale" xlink:to="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain_019edf59-c190-7bfd-9554-2ea2d70fbd8f_terseLabel_en-US" xlink:label="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-adjusting events after reporting period [domain]</link:label>
    <link:label id="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain_label_en-US" xlink:label="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-adjusting events after reporting period [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NonadjustingEventsAfterReportingPeriodDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:to="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_019edf59-c225-7244-9a98-d966114cffd0_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of classes of share capital [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of classes of share capital [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:to="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain_019edf59-c18f-70ed-b0bb-825a261db1c7_terseLabel_en-US" xlink:label="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Valuation techniques used in fair value measurement [domain]</link:label>
    <link:label id="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain_label_en-US" xlink:label="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Valuation techniques used in fair value measurement [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain" xlink:to="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DownsideOneMember_019edf59-c225-71f6-92eb-7122dc9afd1b_terseLabel_en-US" xlink:label="lab_bcs_DownsideOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Downside 1</link:label>
    <link:label id="lab_bcs_DownsideOneMember_label_en-US" xlink:label="lab_bcs_DownsideOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Downside 1 [member]</link:label>
    <link:label id="lab_bcs_DownsideOneMember_documentation_en-US" xlink:label="lab_bcs_DownsideOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The downside 1 scenario. The adverse scenarios are calibrated to a similar severity to internal stress tests, whilst also considering IFRS 9 specific sensitivities and non-linearity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DownsideOneMember" xlink:href="bcs-20260630.xsd#bcs_DownsideOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_DownsideOneMember" xlink:to="lab_bcs_DownsideOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MaturityAxis_019edf59-c0d6-71b7-8ec4-7e69a2b2aa19_terseLabel_en-US" xlink:label="lab_ifrs-full_MaturityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity [axis]</link:label>
    <link:label id="lab_ifrs-full_MaturityAxis_label_en-US" xlink:label="lab_ifrs-full_MaturityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MaturityAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MaturityAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaturityAxis" xlink:to="lab_ifrs-full_MaturityAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_ImpairmentAllowanceCoverageRatio_019edf59-c190-78bc-bc5c-b4dbd8417fee_terseLabel_en-US" xlink:label="lab_bcs_ImpairmentAllowanceCoverageRatio" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Coverage ratio</link:label>
    <link:label id="lab_bcs_ImpairmentAllowanceCoverageRatio_label_en-US" xlink:label="lab_bcs_ImpairmentAllowanceCoverageRatio" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment Allowance, Coverage Ratio</link:label>
    <link:label id="lab_bcs_ImpairmentAllowanceCoverageRatio_documentation_en-US" xlink:label="lab_bcs_ImpairmentAllowanceCoverageRatio" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The impairment allowances as a percentage of Credit Risk Loan balances. The impairment allowance is the aggregate of the identified and unidentified impairment (UI) balances.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_ImpairmentAllowanceCoverageRatio" xlink:href="bcs-20260630.xsd#bcs_ImpairmentAllowanceCoverageRatio"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_ImpairmentAllowanceCoverageRatio" xlink:to="lab_bcs_ImpairmentAllowanceCoverageRatio" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SettlementsFairValueMeasurementLiabilities_019edf59-c18f-743b-b9d9-d3693a7fe2b8_terseLabel_en-US" xlink:label="lab_ifrs-full_SettlementsFairValueMeasurementLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Settlements, fair value measurement, liabilities</link:label>
    <link:label id="lab_ifrs-full_SettlementsFairValueMeasurementLiabilities_label_en-US" xlink:label="lab_ifrs-full_SettlementsFairValueMeasurementLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Settlements, fair value measurement, liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SettlementsFairValueMeasurementLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SettlementsFairValueMeasurementLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SettlementsFairValueMeasurementLiabilities" xlink:to="lab_ifrs-full_SettlementsFairValueMeasurementLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TopOfRangeMember_019edf59-c225-713e-9dbe-f790078bd586_verboseLabel_en-US" xlink:label="lab_ifrs-full_TopOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">High</link:label>
    <link:label id="lab_ifrs-full_TopOfRangeMember_019edf59-c225-7b12-8dac-6d78c21e3161_terseLabel_en-US" xlink:label="lab_ifrs-full_TopOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Favourable changes</link:label>
    <link:label id="lab_ifrs-full_TopOfRangeMember_label_en-US" xlink:label="lab_ifrs-full_TopOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Top of range [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TopOfRangeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TopOfRangeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TopOfRangeMember" xlink:to="lab_ifrs-full_TopOfRangeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_country_GB_019edf59-c190-751f-92f5-4dc99d576108_terseLabel_en-US" xlink:label="lab_country_GB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">UK</link:label>
    <link:label id="lab_country_GB_label_en-US" xlink:label="lab_country_GB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">UNITED KINGDOM</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_GB" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_GB"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_GB" xlink:to="lab_country_GB" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_OtherFinancialInstrumentsMember_019edf59-c225-7e3a-8b25-c9bb602b7865_terseLabel_en-US" xlink:label="lab_bcs_OtherFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other products</link:label>
    <link:label id="lab_bcs_OtherFinancialInstrumentsMember_label_en-US" xlink:label="lab_bcs_OtherFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Financial Instruments [Member]</link:label>
    <link:label id="lab_bcs_OtherFinancialInstrumentsMember_documentation_en-US" xlink:label="lab_bcs_OtherFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Financial Instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_OtherFinancialInstrumentsMember" xlink:href="bcs-20260630.xsd#bcs_OtherFinancialInstrumentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_OtherFinancialInstrumentsMember" xlink:to="lab_bcs_OtherFinancialInstrumentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughModificationOfContractualCashFlowsFinancialAssets_019edf59-c190-7dad-8615-5eeca932b781_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughModificationOfContractualCashFlowsFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughModificationOfContractualCashFlowsFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughModificationOfContractualCashFlowsFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through modification of contractual cash flows, financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughModificationOfContractualCashFlowsFinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughModificationOfContractualCashFlowsFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughModificationOfContractualCashFlowsFinancialAssets" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughModificationOfContractualCashFlowsFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwillAbstract_label_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwillAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intangible assets and goodwill [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsAndGoodwillAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IntangibleAssetsAndGoodwillAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsAndGoodwillAbstract" xlink:to="lab_ifrs-full_IntangibleAssetsAndGoodwillAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialInstrumentsAxis_019edf59-c225-7ac3-b971-8d6869c3d175_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of financial instruments [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfFinancialInstrumentsAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of financial instruments [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialInstrumentsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:to="lab_ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_IssuanceCostsOfConvertibleInstrumentsRedeemed_019edf59-c18f-71cf-bd1f-82cbea1fdc6f_terseLabel_en-US" xlink:label="lab_bcs_IssuanceCostsOfConvertibleInstrumentsRedeemed" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issuance costs of convertible instruments redeemed</link:label>
    <link:label id="lab_bcs_IssuanceCostsOfConvertibleInstrumentsRedeemed_label_en-US" xlink:label="lab_bcs_IssuanceCostsOfConvertibleInstrumentsRedeemed" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issuance Costs Of Convertible Instruments Redeemed</link:label>
    <link:label id="lab_bcs_IssuanceCostsOfConvertibleInstrumentsRedeemed_documentation_en-US" xlink:label="lab_bcs_IssuanceCostsOfConvertibleInstrumentsRedeemed" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Issuance Costs Of Convertible Instruments Redeemed</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_IssuanceCostsOfConvertibleInstrumentsRedeemed" xlink:href="bcs-20260630.xsd#bcs_IssuanceCostsOfConvertibleInstrumentsRedeemed"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_IssuanceCostsOfConvertibleInstrumentsRedeemed" xlink:to="lab_bcs_IssuanceCostsOfConvertibleInstrumentsRedeemed" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_StatementScenarioAxis_019edf59-c18f-7928-aec3-c16193eed8b8_terseLabel_en-US" xlink:label="lab_srt_StatementScenarioAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Scenario [Axis]</link:label>
    <link:label id="lab_srt_StatementScenarioAxis_label_en-US" xlink:label="lab_srt_StatementScenarioAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Scenario [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementScenarioAxis" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_StatementScenarioAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_StatementScenarioAxis" xlink:to="lab_srt_StatementScenarioAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_ECLFromAssetsClassifiedAsHeldForSaleAdjustmentMember_019edf59-c190-7d4a-876f-564abd479618_terseLabel_en-US" xlink:label="lab_bcs_ECLFromAssetsClassifiedAsHeldForSaleAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ECL from held for sale assets (AA portfolio)</link:label>
    <link:label id="lab_bcs_ECLFromAssetsClassifiedAsHeldForSaleAdjustmentMember_label_en-US" xlink:label="lab_bcs_ECLFromAssetsClassifiedAsHeldForSaleAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ECL From Assets Classified As Held For Sale, Adjustment [Member]</link:label>
    <link:label id="lab_bcs_ECLFromAssetsClassifiedAsHeldForSaleAdjustmentMember_documentation_en-US" xlink:label="lab_bcs_ECLFromAssetsClassifiedAsHeldForSaleAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ECL From Assets Classified As Held For Sale, Adjustment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_ECLFromAssetsClassifiedAsHeldForSaleAdjustmentMember" xlink:href="bcs-20260630.xsd#bcs_ECLFromAssetsClassifiedAsHeldForSaleAdjustmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_ECLFromAssetsClassifiedAsHeldForSaleAdjustmentMember" xlink:to="lab_bcs_ECLFromAssetsClassifiedAsHeldForSaleAdjustmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SettlementsFairValueMeasurementAssets_019edf59-c190-75fd-ab2d-07ac7232b9c5_negatedLabel_en-US" xlink:label="lab_ifrs-full_SettlementsFairValueMeasurementAssets" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Settlements, fair value measurement, assets</link:label>
    <link:label id="lab_ifrs-full_SettlementsFairValueMeasurementAssets_label_en-US" xlink:label="lab_ifrs-full_SettlementsFairValueMeasurementAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Settlements, fair value measurement, assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SettlementsFairValueMeasurementAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SettlementsFairValueMeasurementAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SettlementsFairValueMeasurementAssets" xlink:to="lab_ifrs-full_SettlementsFairValueMeasurementAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_PRATransitionalRegulatoryCapital_019edf59-c18f-7eb1-b407-7ce5cec8e7a7_terseLabel_en-US" xlink:label="lab_bcs_PRATransitionalRegulatoryCapital" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total regulatory capital</link:label>
    <link:label id="lab_bcs_PRATransitionalRegulatoryCapital_label_en-US" xlink:label="lab_bcs_PRATransitionalRegulatoryCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">PRA Transitional Regulatory Capital</link:label>
    <link:label id="lab_bcs_PRATransitionalRegulatoryCapital_documentation_en-US" xlink:label="lab_bcs_PRATransitionalRegulatoryCapital" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of PRA (a subsidiary of the Bank of England) transitional regulatory capital required of the entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_PRATransitionalRegulatoryCapital" xlink:href="bcs-20260630.xsd#bcs_PRATransitionalRegulatoryCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_PRATransitionalRegulatoryCapital" xlink:to="lab_bcs_PRATransitionalRegulatoryCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LegalProceedingsProvisionMember_019edf59-c225-73f2-8695-9ee6c0fb70ad_terseLabel_en-US" xlink:label="lab_ifrs-full_LegalProceedingsProvisionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Legal, competition and regulatory matters</link:label>
    <link:label id="lab_ifrs-full_LegalProceedingsProvisionMember_label_en-US" xlink:label="lab_ifrs-full_LegalProceedingsProvisionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Legal proceedings provision [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LegalProceedingsProvisionMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LegalProceedingsProvisionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LegalProceedingsProvisionMember" xlink:to="lab_ifrs-full_LegalProceedingsProvisionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReportableSegmentsMember_019edf59-c18f-70d9-a168-ed76c0477e7e_terseLabel_en-US" xlink:label="lab_ifrs-full_ReportableSegmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reportable segments</link:label>
    <link:label id="lab_ifrs-full_ReportableSegmentsMember_label_en-US" xlink:label="lab_ifrs-full_ReportableSegmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reportable segments [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReportableSegmentsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReportableSegmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReportableSegmentsMember" xlink:to="lab_ifrs-full_ReportableSegmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember_019edf59-c0d6-7244-9c0d-83a129fb70d9_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2029</link:label>
    <link:label id="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than three years and not later than four years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:to="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:type="arc" order="1"/>
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    <link:label id="lab_bcs_A5.200FixedRateResettingSubordinatedCallableNotesUSDMember_documentation_en-US" xlink:label="lab_bcs_A5.200FixedRateResettingSubordinatedCallableNotesUSDMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">5.200% Fixed Rate Resetting Subordinated Callable Notes (USD)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_A5.200FixedRateResettingSubordinatedCallableNotesUSDMember" xlink:href="bcs-20260630.xsd#bcs_A5.200FixedRateResettingSubordinatedCallableNotesUSDMember"/>
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    <link:label id="lab_ifrs-full_DepositsAtAmortisedCost_019edf59-c225-7c7c-b6e6-ebe1429290b1_terseLabel_en-US" xlink:label="lab_ifrs-full_DepositsAtAmortisedCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deposits at amortised cost</link:label>
    <link:label id="lab_ifrs-full_DepositsAtAmortisedCost_019edf59-c225-7de4-8533-e753be66a862_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_DepositsAtAmortisedCost" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Deposits at amortised cost</link:label>
    <link:label id="lab_ifrs-full_DepositsAtAmortisedCost_label_en-US" xlink:label="lab_ifrs-full_DepositsAtAmortisedCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deposits at amortised cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepositsAtAmortisedCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DepositsAtAmortisedCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepositsAtAmortisedCost" xlink:to="lab_ifrs-full_DepositsAtAmortisedCost" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTableTextBlock_019edf59-c0d6-7758-a758-811bab191cb1_terseLabel_en-US" xlink:label="lab_bcs_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets and liabilities held at fair value disaggregated by valuation technique (fair value hierarchy) and Level 3 assets and liabilities held at fair value disaggregated by product type</link:label>
    <link:label id="lab_bcs_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTableTextBlock_label_en-US" xlink:label="lab_bcs_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Fair Value Measurement Of Assets And Liabilities [Table Text Block]</link:label>
    <link:label id="lab_bcs_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTableTextBlock_documentation_en-US" xlink:label="lab_bcs_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The tabular disclosure of the fair value measurement of assets and liabilities disaggregated by valuation technique (fair value hierarchy) and balance sheet classification and product type.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTableTextBlock" xlink:href="bcs-20260630.xsd#bcs_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTableTextBlock"/>
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    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans_019edf59-c190-7646-9a8b-de6e942cf3a5_verboseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Retirement benefit remeasurements</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans</link:label>
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    <link:label id="lab_dei_DocumentType_019edf59-c18f-7433-b227-1af5c336d883_terseLabel_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Type</link:label>
    <link:label id="lab_dei_DocumentType_label_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Type</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType"/>
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    <link:label id="lab_bcs_IncreaseDecreaseInSharesThroughRepurchaseOfTreasuryShares_019edf59-c18f-70c4-ba49-6a8b6fd47f6a_terseLabel_en-US" xlink:label="lab_bcs_IncreaseDecreaseInSharesThroughRepurchaseOfTreasuryShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Repurchase of treasury shares (in shares)</link:label>
    <link:label id="lab_bcs_IncreaseDecreaseInSharesThroughRepurchaseOfTreasuryShares_label_en-US" xlink:label="lab_bcs_IncreaseDecreaseInSharesThroughRepurchaseOfTreasuryShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) In Shares Through Repurchase Of Treasury Shares</link:label>
    <link:label id="lab_bcs_IncreaseDecreaseInSharesThroughRepurchaseOfTreasuryShares_documentation_en-US" xlink:label="lab_bcs_IncreaseDecreaseInSharesThroughRepurchaseOfTreasuryShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) In Shares Through Repurchase Of Treasury Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_IncreaseDecreaseInSharesThroughRepurchaseOfTreasuryShares" xlink:href="bcs-20260630.xsd#bcs_IncreaseDecreaseInSharesThroughRepurchaseOfTreasuryShares"/>
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    <link:label id="lab_ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember_019ef4f8-2044-70c8-be66-3bfa9719a8b0_verboseLabel_en-US" xlink:label="lab_ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Fair value through other comprehensive income reserve</link:label>
    <link:label id="lab_ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember_label_en-US" xlink:label="lab_ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reserve of gains and losses on financial assets measured at fair value through other comprehensive income [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember"/>
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    <link:label id="lab_ifrs-full_ClassesOfFinancialAssetsAxis_019edf59-c0d6-7ab9-970a-5c41189b5cc1_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of financial assets [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfFinancialAssetsAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of financial assets [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsAxis"/>
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    <link:label id="lab_ifrs-full_FeeAndCommissionExpense_019edf59-c0d6-7006-9aeb-7468f8977a75_negatedLabel_en-US" xlink:label="lab_ifrs-full_FeeAndCommissionExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Fee and commission expense</link:label>
    <link:label id="lab_ifrs-full_FeeAndCommissionExpense_label_en-US" xlink:label="lab_ifrs-full_FeeAndCommissionExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fee and commission expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FeeAndCommissionExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FeeAndCommissionExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FeeAndCommissionExpense" xlink:to="lab_ifrs-full_FeeAndCommissionExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DebtInstrumentsHeldAtAmortisedCost_019edf59-c18f-7f04-b146-14a8c7c64c0f_terseLabel_en-US" xlink:label="lab_ifrs-full_DebtInstrumentsHeldAtAmortisedCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt securities at amortised cost</link:label>
    <link:label id="lab_ifrs-full_DebtInstrumentsHeldAtAmortisedCost_label_en-US" xlink:label="lab_ifrs-full_DebtInstrumentsHeldAtAmortisedCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt instruments held at amortised cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DebtInstrumentsHeldAtAmortisedCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DebtInstrumentsHeldAtAmortisedCost"/>
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    <link:label id="lab_ifrs-full_MiscellaneousOtherOperatingExpense_019edf59-c18f-70a6-bf4c-132d34f5ef07_terseLabel_en-US" xlink:label="lab_ifrs-full_MiscellaneousOtherOperatingExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other administration and general expenses</link:label>
    <link:label id="lab_ifrs-full_MiscellaneousOtherOperatingExpense_label_en-US" xlink:label="lab_ifrs-full_MiscellaneousOtherOperatingExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Miscellaneous other operating expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MiscellaneousOtherOperatingExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MiscellaneousOtherOperatingExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MiscellaneousOtherOperatingExpense" xlink:to="lab_ifrs-full_MiscellaneousOtherOperatingExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_RiskWeightedAssets1_019edf59-c225-7e17-883c-2c0cca0723ef_terseLabel_en-US" xlink:label="lab_bcs_RiskWeightedAssets1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total RWAs</link:label>
    <link:label id="lab_bcs_RiskWeightedAssets1_label_en-US" xlink:label="lab_bcs_RiskWeightedAssets1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Risk Weighted Assets1</link:label>
    <link:label id="lab_bcs_RiskWeightedAssets1_documentation_en-US" xlink:label="lab_bcs_RiskWeightedAssets1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Risk Weighted Assets1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_RiskWeightedAssets1" xlink:href="bcs-20260630.xsd#bcs_RiskWeightedAssets1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_RiskWeightedAssets1" xlink:to="lab_bcs_RiskWeightedAssets1" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RiskExposuresAxis_019edf59-c225-7aa0-9dd0-ab522c5c8782_terseLabel_en-US" xlink:label="lab_ifrs-full_RiskExposuresAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Risk exposures [axis]</link:label>
    <link:label id="lab_ifrs-full_RiskExposuresAxis_label_en-US" xlink:label="lab_ifrs-full_RiskExposuresAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Risk variables [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RiskExposuresAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RiskExposuresAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RiskExposuresAxis" xlink:to="lab_ifrs-full_RiskExposuresAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax_019edf59-c225-7ad5-bbc7-6f5ade7fc032_totalLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive income not recycled to profit or loss</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income that will not be reclassified to profit or loss, net of tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax"/>
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    <link:label id="lab_bcs_DerivativeLiabilityExposures_019edf59-c18f-74d4-818b-72df615ad284_terseLabel_en-US" xlink:label="lab_bcs_DerivativeLiabilityExposures" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative liability exposures</link:label>
    <link:label id="lab_bcs_DerivativeLiabilityExposures_label_en-US" xlink:label="lab_bcs_DerivativeLiabilityExposures" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Liability Exposures</link:label>
    <link:label id="lab_bcs_DerivativeLiabilityExposures_documentation_en-US" xlink:label="lab_bcs_DerivativeLiabilityExposures" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount by which derivative liability exposures would change if netting were permitted for assets and liabilities with the same counterparty or for which the entity places collateral.</link:label>
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    <link:label id="lab_ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis_019edf59-c18f-710e-af8d-91146736f53a_terseLabel_en-US" xlink:label="lab_ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets and liabilities classified as held for sale [axis]</link:label>
    <link:label id="lab_ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis_label_en-US" xlink:label="lab_ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets and liabilities classified as held for sale [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis" xlink:to="lab_ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DisclosureOfUnrealisedGainsLossesRecognisedOnAssetsAndLiabilitiesTableTextBlock_019edf59-c18f-77e9-a774-9c1e46508d40_terseLabel_en-US" xlink:label="lab_bcs_DisclosureOfUnrealisedGainsLossesRecognisedOnAssetsAndLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrealised gains and losses recognised during the period on Level 3 assets and liabilities held at period end</link:label>
    <link:label id="lab_bcs_DisclosureOfUnrealisedGainsLossesRecognisedOnAssetsAndLiabilitiesTableTextBlock_label_en-US" xlink:label="lab_bcs_DisclosureOfUnrealisedGainsLossesRecognisedOnAssetsAndLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Unrealised Gains (Losses) Recognised On Assets And Liabilities [Table Text Block]</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_bcs_DisclosureOfUnrealisedGainsLossesRecognisedOnAssetsAndLiabilitiesTableTextBlock" xlink:href="bcs-20260630.xsd#bcs_DisclosureOfUnrealisedGainsLossesRecognisedOnAssetsAndLiabilitiesTableTextBlock"/>
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    <link:label id="lab_bcs_NumberOfShareBuybacksPartiallyExecuted_019f3d5a-6df6-7678-b81d-4c78d5814b60_terseLabel_en-US" xlink:label="lab_bcs_NumberOfShareBuybacksPartiallyExecuted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of partially executed share buyback programmes</link:label>
    <link:label id="lab_bcs_NumberOfShareBuybacksPartiallyExecuted_label_en-US" xlink:label="lab_bcs_NumberOfShareBuybacksPartiallyExecuted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Share Buybacks Partially Executed</link:label>
    <link:label id="lab_bcs_NumberOfShareBuybacksPartiallyExecuted_documentation_en-US" xlink:label="lab_bcs_NumberOfShareBuybacksPartiallyExecuted" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Share Buybacks Partially Executed</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_NumberOfShareBuybacksPartiallyExecuted" xlink:href="bcs-20260630.xsd#bcs_NumberOfShareBuybacksPartiallyExecuted"/>
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    <link:label id="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss_019edfa2-5b17-7b20-beaa-a4b158c059cb_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Tax</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss_label_en-US" xlink:label="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss" xlink:to="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeStatementAbstract_019edf59-c18f-7e1f-9444-47b3be214134_terseLabel_en-US" xlink:label="lab_ifrs-full_IncomeStatementAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Profit or loss [abstract]</link:label>
    <link:label id="lab_ifrs-full_IncomeStatementAbstract_label_en-US" xlink:label="lab_ifrs-full_IncomeStatementAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit or loss [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeStatementAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeStatementAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeStatementAbstract" xlink:to="lab_ifrs-full_IncomeStatementAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReserveOfCashFlowHedges_019edf59-c225-7fc2-85bc-8ded010bdabd_terseLabel_en-US" xlink:label="lab_ifrs-full_ReserveOfCashFlowHedges" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value reserves related to gains or losses on cash flow hedges</link:label>
    <link:label id="lab_ifrs-full_ReserveOfCashFlowHedges_label_en-US" xlink:label="lab_ifrs-full_ReserveOfCashFlowHedges" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reserve of cash flow hedges</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReserveOfCashFlowHedges" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReserveOfCashFlowHedges"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReserveOfCashFlowHedges" xlink:to="lab_ifrs-full_ReserveOfCashFlowHedges" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersFinancialAssets_019edf59-c190-71bc-a8e8-0e1a69ba560e_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through transfers, financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTransfersFinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughTransfersFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughTransfersFinancialAssets" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughTransfersFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_RangeAxis_019edf59-c18f-73af-b3eb-4fae70644a2a_terseLabel_en-US" xlink:label="lab_srt_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statistical Measurement [Axis]</link:label>
    <link:label id="lab_srt_RangeAxis_label_en-US" xlink:label="lab_srt_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statistical Measurement [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_RangeAxis" xlink:to="lab_srt_RangeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_019edf59-c18f-787d-87c0-8b0ee283bdfc_terseLabel_en-US" xlink:label="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]</link:label>
    <link:label id="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_label_en-US" xlink:label="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:to="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OperatingSegmentsMember_019edf59-c18f-73a9-8f50-c846eb91dd35_terseLabel_en-US" xlink:label="lab_ifrs-full_OperatingSegmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating segments</link:label>
    <link:label id="lab_ifrs-full_OperatingSegmentsMember_label_en-US" xlink:label="lab_ifrs-full_OperatingSegmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating segments [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OperatingSegmentsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OperatingSegmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OperatingSegmentsMember" xlink:to="lab_ifrs-full_OperatingSegmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExpectedCreditLossesCollectivelyAssessedMember_019edf59-c225-7b7e-84b1-72000fda43ab_verboseLabel_en-US" xlink:label="lab_ifrs-full_ExpectedCreditLossesCollectivelyAssessedMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Modelled ECL</link:label>
    <link:label id="lab_ifrs-full_ExpectedCreditLossesCollectivelyAssessedMember_019edf59-c225-785e-bde7-4624b3c81c66_terseLabel_en-US" xlink:label="lab_ifrs-full_ExpectedCreditLossesCollectivelyAssessedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total weighted model ECL</link:label>
    <link:label id="lab_ifrs-full_ExpectedCreditLossesCollectivelyAssessedMember_label_en-US" xlink:label="lab_ifrs-full_ExpectedCreditLossesCollectivelyAssessedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected credit losses collectively assessed [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExpectedCreditLossesCollectivelyAssessedMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExpectedCreditLossesCollectivelyAssessedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpectedCreditLossesCollectivelyAssessedMember" xlink:to="lab_ifrs-full_ExpectedCreditLossesCollectivelyAssessedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember_019edf59-c225-703b-9e1a-b4f9790da2aa_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2030</link:label>
    <link:label id="lab_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than four years and not later than five years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember"/>
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    <link:label id="lab_bcs_LossContingencyDamagesSoughtClaimedAmountsValue_019edf59-c225-7fc1-843b-a18b040eb980_terseLabel_en-US" xlink:label="lab_bcs_LossContingencyDamagesSoughtClaimedAmountsValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loss contingency, damages sought, claimed amounts, value</link:label>
    <link:label id="lab_bcs_LossContingencyDamagesSoughtClaimedAmountsValue_label_en-US" xlink:label="lab_bcs_LossContingencyDamagesSoughtClaimedAmountsValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss Contingency, Damages Sought, Claimed Amounts, Value</link:label>
    <link:label id="lab_bcs_LossContingencyDamagesSoughtClaimedAmountsValue_documentation_en-US" xlink:label="lab_bcs_LossContingencyDamagesSoughtClaimedAmountsValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The monetary value of the award the plaintiff seeks in the legal matter, in addition to any interest, costs, and punitive damages.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_LossContingencyDamagesSoughtClaimedAmountsValue" xlink:href="bcs-20260630.xsd#bcs_LossContingencyDamagesSoughtClaimedAmountsValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_LossContingencyDamagesSoughtClaimedAmountsValue" xlink:to="lab_bcs_LossContingencyDamagesSoughtClaimedAmountsValue" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingsByNameDomain_019edf59-c18f-7326-97f2-05efbe5d1c87_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings by name [domain]</link:label>
    <link:label id="lab_ifrs-full_BorrowingsByNameDomain_label_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings by name [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsByNameDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BorrowingsByNameDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsByNameDomain" xlink:to="lab_ifrs-full_BorrowingsByNameDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_ImpairmentAllowanceIncludingLoanCommitmentsAndFinancialGuaranteeContractsPercentage_019edf59-c190-7fde-9a54-b76902c3dc25_terseLabel_en-US" xlink:label="lab_bcs_ImpairmentAllowanceIncludingLoanCommitmentsAndFinancialGuaranteeContractsPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proportion of Management adjustments to total impairment allowance</link:label>
    <link:label id="lab_bcs_ImpairmentAllowanceIncludingLoanCommitmentsAndFinancialGuaranteeContractsPercentage_label_en-US" xlink:label="lab_bcs_ImpairmentAllowanceIncludingLoanCommitmentsAndFinancialGuaranteeContractsPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment Allowance Including Loan Commitments And Financial Guarantee Contracts Percentage</link:label>
    <link:label id="lab_bcs_ImpairmentAllowanceIncludingLoanCommitmentsAndFinancialGuaranteeContractsPercentage_documentation_en-US" xlink:label="lab_bcs_ImpairmentAllowanceIncludingLoanCommitmentsAndFinancialGuaranteeContractsPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Impairment Allowance Including Loan Commitments And Financial Guarantee Contracts Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_ImpairmentAllowanceIncludingLoanCommitmentsAndFinancialGuaranteeContractsPercentage" xlink:href="bcs-20260630.xsd#bcs_ImpairmentAllowanceIncludingLoanCommitmentsAndFinancialGuaranteeContractsPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_ImpairmentAllowanceIncludingLoanCommitmentsAndFinancialGuaranteeContractsPercentage" xlink:to="lab_bcs_ImpairmentAllowanceIncludingLoanCommitmentsAndFinancialGuaranteeContractsPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DividendsOnOrdinarySharesTableTextBlock_019edf59-c225-7ab7-9de3-ba09949b2894_terseLabel_en-US" xlink:label="lab_bcs_DividendsOnOrdinarySharesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividends on ordinary shares</link:label>
    <link:label id="lab_bcs_DividendsOnOrdinarySharesTableTextBlock_label_en-US" xlink:label="lab_bcs_DividendsOnOrdinarySharesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends On Ordinary Shares [Table Text Block]</link:label>
    <link:label id="lab_bcs_DividendsOnOrdinarySharesTableTextBlock_documentation_en-US" xlink:label="lab_bcs_DividendsOnOrdinarySharesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The tabular disclosure of detailed information of dividends on ordinary shares.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DividendsOnOrdinarySharesTableTextBlock" xlink:href="bcs-20260630.xsd#bcs_DividendsOnOrdinarySharesTableTextBlock"/>
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    <link:label id="lab_ifrs-full_CurrencyRiskMember_019edf59-c18f-7a77-8c66-9abdec8618b4_verboseLabel_en-US" xlink:label="lab_ifrs-full_CurrencyRiskMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange risk</link:label>
    <link:label id="lab_ifrs-full_CurrencyRiskMember_019edf59-c18f-762a-a773-efd4c860b8ce_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrencyRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange derivatives</link:label>
    <link:label id="lab_ifrs-full_CurrencyRiskMember_label_en-US" xlink:label="lab_ifrs-full_CurrencyRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Currency risk [member]</link:label>
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    <link:label id="lab_bcs_NumberOfConvertibleInstrumentsRedeemed_documentation_en-US" xlink:label="lab_bcs_NumberOfConvertibleInstrumentsRedeemed" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Convertible Instruments Redeemed</link:label>
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    <link:label id="lab_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_019edf59-c18f-77ca-bbeb-829e30bb01c3_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Credit impairment charges</link:label>
    <link:label id="lab_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_019edf59-c18f-7edf-94b7-ad5353264317_terseLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total income statement charges for the period</link:label>
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    <link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInDebtInstrumentsIssued_019edf59-c225-7506-b91b-652d28d4bc81_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInDebtInstrumentsIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net increase in debt securities in issue</link:label>
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    <link:label id="lab_ifrs-full_EquityAttributableToOwnersOfParent_019edf59-c18f-7192-a4d3-f9b9fa609c8d_totalLabel_en-US" xlink:label="lab_ifrs-full_EquityAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total equity excluding non-controlling interests</link:label>
    <link:label id="lab_ifrs-full_EquityAttributableToOwnersOfParent_019edf59-c18f-7621-b47b-d6a573dd7218_terseLabel_en-US" xlink:label="lab_ifrs-full_EquityAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total equity excluding non-controlling interests per the balance sheet</link:label>
    <link:label id="lab_ifrs-full_EquityAttributableToOwnersOfParent_label_en-US" xlink:label="lab_ifrs-full_EquityAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity attributable to owners of parent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAttributableToOwnersOfParent" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAttributableToOwnersOfParent"/>
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    <link:label id="lab_ifrs-full_IncomeTaxRelatingToFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome_019edf59-c225-7b5d-8c90-e52b1d1cd05e_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxRelatingToFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Tax</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxRelatingToFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_IncomeTaxRelatingToFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income tax relating to financial assets measured at fair value through other comprehensive income included in other comprehensive income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxRelatingToFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeTaxRelatingToFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome"/>
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    <link:label id="lab_ifrs-full_RevenueFromContractsWithCustomers_019edf59-c18f-71d8-80b2-e333a55558ec_terseLabel_en-US" xlink:label="lab_ifrs-full_RevenueFromContractsWithCustomers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total revenue from contracts with customers</link:label>
    <link:label id="lab_ifrs-full_RevenueFromContractsWithCustomers_label_en-US" xlink:label="lab_ifrs-full_RevenueFromContractsWithCustomers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue from contracts with customers</link:label>
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    <link:label id="lab_ifrs-full_EarningsPerShareAbstract_019edf59-c190-7c73-82fe-4634ff970d5d_terseLabel_en-US" xlink:label="lab_ifrs-full_EarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings per share</link:label>
    <link:label id="lab_ifrs-full_EarningsPerShareAbstract_label_en-US" xlink:label="lab_ifrs-full_EarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings per share [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EarningsPerShareAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EarningsPerShareAbstract"/>
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    <link:label id="lab_ifrs-full_RangeAxis_019edf59-c18f-7d87-ab63-bebe7a83ccdc_terseLabel_en-US" xlink:label="lab_ifrs-full_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Range [axis]</link:label>
    <link:label id="lab_ifrs-full_RangeAxis_label_en-US" xlink:label="lab_ifrs-full_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Range [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RangeAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RangeAxis"/>
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    <link:label id="lab_ifrs-full_ComponentsOfEquityAxis_019edf59-c190-7ed6-80d8-7f50cb6663a6_terseLabel_en-US" xlink:label="lab_ifrs-full_ComponentsOfEquityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Components of equity [axis]</link:label>
    <link:label id="lab_ifrs-full_ComponentsOfEquityAxis_label_en-US" xlink:label="lab_ifrs-full_ComponentsOfEquityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Components of equity [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfEquityAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComponentsOfEquityAxis"/>
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    <link:label id="lab_ifrs-full_FixedInterestRateMember_019edf59-c18f-79a9-b4e5-78830f8a2738_terseLabel_en-US" xlink:label="lab_ifrs-full_FixedInterestRateMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fixed interest rate</link:label>
    <link:label id="lab_ifrs-full_FixedInterestRateMember_label_en-US" xlink:label="lab_ifrs-full_FixedInterestRateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fixed interest rate [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FixedInterestRateMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FixedInterestRateMember"/>
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    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems_019edf59-c0d6-7a12-91d0-6edcf10887ae_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]</link:label>
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    <link:label id="lab_ifrs-full_SubordinatedLiabilitiesAbstract_019edf59-c190-7a9e-9617-046eb83bb987_terseLabel_en-US" xlink:label="lab_ifrs-full_SubordinatedLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subordinated liabilities [abstract]</link:label>
    <link:label id="lab_ifrs-full_SubordinatedLiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_SubordinatedLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subordinated liabilities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SubordinatedLiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SubordinatedLiabilitiesAbstract"/>
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    <link:label id="lab_ifrs-full_DeferredTaxLiabilities_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred tax liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredTaxLiabilities"/>
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    <link:label id="lab_srt_StatementGeographicalAxis_019edf59-c18f-7364-89d5-c4cee1d97bcf_terseLabel_en-US" xlink:label="lab_srt_StatementGeographicalAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Geographical [Axis]</link:label>
    <link:label id="lab_srt_StatementGeographicalAxis_label_en-US" xlink:label="lab_srt_StatementGeographicalAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Geographical [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_StatementGeographicalAxis"/>
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    <link:label id="lab_bcs_DisclosureOfSummaryOfDerivativeAssetsAndLiabilitiesTableTextBlock_019edf59-c18f-7042-b5c4-b7a69b29b76f_verboseLabel_en-US" xlink:label="lab_bcs_DisclosureOfSummaryOfDerivativeAssetsAndLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Total recognised derivative assets/(liabilities)</link:label>
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    <link:label id="lab_ifrs-full_ProfitLossBeforeTax_label_en-US" xlink:label="lab_ifrs-full_ProfitLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss) before tax</link:label>
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    <link:label id="lab_ifrs-full_OtherComprehensiveIncome_019edf59-c0d6-701b-9dbf-c908b71b942c_totalLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive (loss)/income for the period</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncome_019edf59-c0d6-7bb3-aca6-64a307816f6e_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive income</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncome" xlink:to="lab_ifrs-full_OtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyAssets_019edf59-c225-7531-9582-c7073bd67255_terseLabel_en-US" xlink:label="lab_ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers out of Level 3 of fair value hierarchy, assets</link:label>
    <link:label id="lab_ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyAssets_019edf59-c225-7f77-858a-d4af17f13341_negatedLabel_en-US" xlink:label="lab_ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyAssets" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Transfers out of Level 3 of fair value hierarchy, assets</link:label>
    <link:label id="lab_ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyAssets_label_en-US" xlink:label="lab_ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transfers out of Level 3 of fair value hierarchy, assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyAssets" xlink:to="lab_ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InvestmentProperty_019ef449-95bc-7370-8f8d-02a74c8b2a15_verboseLabel_en-US" xlink:label="lab_ifrs-full_InvestmentProperty" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Investment property</link:label>
    <link:label id="lab_ifrs-full_InvestmentProperty_label_en-US" xlink:label="lab_ifrs-full_InvestmentProperty" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment property</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InvestmentProperty" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InvestmentProperty"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InvestmentProperty" xlink:to="lab_ifrs-full_InvestmentProperty" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PastDueStatusDomain_019edf59-c190-783c-96b0-31b8bd23221e_terseLabel_en-US" xlink:label="lab_ifrs-full_PastDueStatusDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Past due status [domain]</link:label>
    <link:label id="lab_ifrs-full_PastDueStatusDomain_label_en-US" xlink:label="lab_ifrs-full_PastDueStatusDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Past due status [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PastDueStatusDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PastDueStatusDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PastDueStatusDomain" xlink:to="lab_ifrs-full_PastDueStatusDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInLoansAndAdvances_019edf59-c225-7a7a-a8b5-353bd9757ec4_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInLoansAndAdvances" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net increase in loans and advances at amortised cost</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInLoansAndAdvances_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInLoansAndAdvances" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for decrease (increase) in loans and advances</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInLoansAndAdvances" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInLoansAndAdvances"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInLoansAndAdvances" xlink:to="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInLoansAndAdvances" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_AdjustmentToRetainedEarningsForForeseeableRepurchaseOfShares_019edf59-c18f-76f8-9e98-27962f85d0b2_terseLabel_en-US" xlink:label="lab_bcs_AdjustmentToRetainedEarningsForForeseeableRepurchaseOfShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustment to retained earnings for foreseeable repurchase of shares</link:label>
    <link:label id="lab_bcs_AdjustmentToRetainedEarningsForForeseeableRepurchaseOfShares_label_en-US" xlink:label="lab_bcs_AdjustmentToRetainedEarningsForForeseeableRepurchaseOfShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustment To Retained Earnings For Foreseeable Repurchase Of Shares</link:label>
    <link:label id="lab_bcs_AdjustmentToRetainedEarningsForForeseeableRepurchaseOfShares_documentation_en-US" xlink:label="lab_bcs_AdjustmentToRetainedEarningsForForeseeableRepurchaseOfShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustment To Retained Earnings For Foreseeable Repurchase Of Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_AdjustmentToRetainedEarningsForForeseeableRepurchaseOfShares" xlink:href="bcs-20260630.xsd#bcs_AdjustmentToRetainedEarningsForForeseeableRepurchaseOfShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_AdjustmentToRetainedEarningsForForeseeableRepurchaseOfShares" xlink:to="lab_bcs_AdjustmentToRetainedEarningsForForeseeableRepurchaseOfShares" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DecreaseThroughFinalRepaymentsFinancialAssets_019edf59-c18f-70d8-8939-c9371ffc4fa7_negatedLabel_en-US" xlink:label="lab_bcs_DecreaseThroughFinalRepaymentsFinancialAssets" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Final repayments</link:label>
    <link:label id="lab_bcs_DecreaseThroughFinalRepaymentsFinancialAssets_label_en-US" xlink:label="lab_bcs_DecreaseThroughFinalRepaymentsFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease Through Final Repayments, Financial Assets</link:label>
    <link:label id="lab_bcs_DecreaseThroughFinalRepaymentsFinancialAssets_documentation_en-US" xlink:label="lab_bcs_DecreaseThroughFinalRepaymentsFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The decrease in financial assets resulting from final repayments. [Refer: Financial assets]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DecreaseThroughFinalRepaymentsFinancialAssets" xlink:href="bcs-20260630.xsd#bcs_DecreaseThroughFinalRepaymentsFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_DecreaseThroughFinalRepaymentsFinancialAssets" xlink:to="lab_bcs_DecreaseThroughFinalRepaymentsFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ScenarioForecastMember_019edf59-c190-7245-94d9-3faa5560fe09_terseLabel_en-US" xlink:label="lab_srt_ScenarioForecastMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Future commitments</link:label>
    <link:label id="lab_srt_ScenarioForecastMember_label_en-US" xlink:label="lab_srt_ScenarioForecastMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forecast [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioForecastMember" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ScenarioForecastMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ScenarioForecastMember" xlink:to="lab_srt_ScenarioForecastMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfRelatedPartiesDomain_019edf59-c18f-7a60-addb-2b190288cfc2_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Categories of related parties [domain]</link:label>
    <link:label id="lab_ifrs-full_CategoriesOfRelatedPartiesDomain_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Categories of related parties [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfRelatedPartiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:to="lab_ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsTable_019edf59-c0d6-7987-af97-796130bbba09_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of other provisions [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of other provisions [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOtherProvisionsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:to="lab_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AssetsAndLiabilitiesAxis_019edf59-c225-7d29-97a4-dafd6e41ac23_terseLabel_en-US" xlink:label="lab_ifrs-full_AssetsAndLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets and liabilities [axis]</link:label>
    <link:label id="lab_ifrs-full_AssetsAndLiabilitiesAxis_label_en-US" xlink:label="lab_ifrs-full_AssetsAndLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets and liabilities [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AssetsAndLiabilitiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AssetsAndLiabilitiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AssetsAndLiabilitiesAxis" xlink:to="lab_ifrs-full_AssetsAndLiabilitiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ChangesInPropertyPlantAndEquipmentAbstract_019edf59-c225-7e7c-bacc-4a71a0d23ebe_terseLabel_en-US" xlink:label="lab_ifrs-full_ChangesInPropertyPlantAndEquipmentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Infrastructure costs</link:label>
    <link:label id="lab_ifrs-full_ChangesInPropertyPlantAndEquipmentAbstract_label_en-US" xlink:label="lab_ifrs-full_ChangesInPropertyPlantAndEquipmentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Changes in property, plant and equipment [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ChangesInPropertyPlantAndEquipmentAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ChangesInPropertyPlantAndEquipmentAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ChangesInPropertyPlantAndEquipmentAbstract" xlink:to="lab_ifrs-full_ChangesInPropertyPlantAndEquipmentAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RecognisedAssetsDefinedBenefitPlan_019edf59-c225-7b50-bf39-c20a31d3ffde_terseLabel_en-US" xlink:label="lab_ifrs-full_RecognisedAssetsDefinedBenefitPlan" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retirement benefit assets</link:label>
    <link:label id="lab_ifrs-full_RecognisedAssetsDefinedBenefitPlan_019edf59-c225-7735-a118-4e076f0e4ca4_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_RecognisedAssetsDefinedBenefitPlan" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Defined benefit pension fund assets</link:label>
    <link:label id="lab_ifrs-full_RecognisedAssetsDefinedBenefitPlan_label_en-US" xlink:label="lab_ifrs-full_RecognisedAssetsDefinedBenefitPlan" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net defined benefit asset</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RecognisedAssetsDefinedBenefitPlan" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RecognisedAssetsDefinedBenefitPlan"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RecognisedAssetsDefinedBenefitPlan" xlink:to="lab_ifrs-full_RecognisedAssetsDefinedBenefitPlan" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain_019edf59-c18f-7e34-bfb3-700c1f31c33c_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of financial instruments [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of financial instruments [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialInstrumentsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:to="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DividendsAbstract_019edf59-c18f-76c1-8cd4-ceab19b882de_terseLabel_en-US" xlink:label="lab_bcs_DividendsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">9. Dividends on ordinary shares</link:label>
    <link:label id="lab_bcs_DividendsAbstract_label_en-US" xlink:label="lab_bcs_DividendsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DividendsAbstract" xlink:href="bcs-20260630.xsd#bcs_DividendsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_DividendsAbstract" xlink:to="lab_bcs_DividendsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContractsAbstract_019edf59-c18f-7e41-a88d-b2ce3d3bdf7f_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContractsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loan commitments and financial guarantees</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContractsAbstract_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContractsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in exposure to credit risk on loan commitments and financial guarantee contracts [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContractsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContractsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContractsAbstract" xlink:to="lab_ifrs-full_IncreaseDecreaseInExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContractsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_NumberOfBanksClaimsAgainst_019f5b55-3d7b-78b3-9071-8ecf85e5d20c_terseLabel_en-US" xlink:label="lab_bcs_NumberOfBanksClaimsAgainst" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of banks claims against</link:label>
    <link:label id="lab_bcs_NumberOfBanksClaimsAgainst_label_en-US" xlink:label="lab_bcs_NumberOfBanksClaimsAgainst" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Banks Claims Against</link:label>
    <link:label id="lab_bcs_NumberOfBanksClaimsAgainst_documentation_en-US" xlink:label="lab_bcs_NumberOfBanksClaimsAgainst" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of Banks Claims Against</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_NumberOfBanksClaimsAgainst" xlink:href="bcs-20260630.xsd#bcs_NumberOfBanksClaimsAgainst"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_NumberOfBanksClaimsAgainst" xlink:to="lab_bcs_NumberOfBanksClaimsAgainst" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_ECLFromOtherFinancialAssetsSubjectToImpairmentAdjustmentMember_019f7ed8-fb07-7a79-b7dc-10cffd60e3d7_terseLabel_en-US" xlink:label="lab_bcs_ECLFromOtherFinancialAssetsSubjectToImpairmentAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ECL from other financial assets subject to impairment, adjustment</link:label>
    <link:label id="lab_bcs_ECLFromOtherFinancialAssetsSubjectToImpairmentAdjustmentMember_label_en-US" xlink:label="lab_bcs_ECLFromOtherFinancialAssetsSubjectToImpairmentAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ECL From Other Financial Assets Subject To Impairment, Adjustment [Member]</link:label>
    <link:label id="lab_bcs_ECLFromOtherFinancialAssetsSubjectToImpairmentAdjustmentMember_documentation_en-US" xlink:label="lab_bcs_ECLFromOtherFinancialAssetsSubjectToImpairmentAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ECL From Other Financial Assets Subject To Impairment, Adjustment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_ECLFromOtherFinancialAssetsSubjectToImpairmentAdjustmentMember" xlink:href="bcs-20260630.xsd#bcs_ECLFromOtherFinancialAssetsSubjectToImpairmentAdjustmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_ECLFromOtherFinancialAssetsSubjectToImpairmentAdjustmentMember" xlink:to="lab_bcs_ECLFromOtherFinancialAssetsSubjectToImpairmentAdjustmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_LoansAndAdvancesAtAmortisedCostIncludingOffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember_019edf59-c225-7166-9e34-555f7b7f9ac6_terseLabel_en-US" xlink:label="lab_bcs_LoansAndAdvancesAtAmortisedCostIncludingOffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total of loans and advances at amortised cost including off balance sheet loan commitments and financial guarantee contracts</link:label>
    <link:label id="lab_bcs_LoansAndAdvancesAtAmortisedCostIncludingOffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember_label_en-US" xlink:label="lab_bcs_LoansAndAdvancesAtAmortisedCostIncludingOffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans And Advances At Amortised Cost, Including Off-Balance Sheet Loan Commitments And Financial Guarantee Contracts [Member]</link:label>
    <link:label id="lab_bcs_LoansAndAdvancesAtAmortisedCostIncludingOffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember_documentation_en-US" xlink:label="lab_bcs_LoansAndAdvancesAtAmortisedCostIncludingOffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loans And Advances At Amortised Cost, Including Off-Balance Sheet Loan Commitments And Financial Guarantee Contracts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_LoansAndAdvancesAtAmortisedCostIncludingOffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember" xlink:href="bcs-20260630.xsd#bcs_LoansAndAdvancesAtAmortisedCostIncludingOffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_LoansAndAdvancesAtAmortisedCostIncludingOffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember" xlink:to="lab_bcs_LoansAndAdvancesAtAmortisedCostIncludingOffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProductsAndServicesDomain_019edf59-c0d6-7b80-a31a-ae4c22e21472_terseLabel_en-US" xlink:label="lab_ifrs-full_ProductsAndServicesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Products and services [domain]</link:label>
    <link:label id="lab_ifrs-full_ProductsAndServicesDomain_label_en-US" xlink:label="lab_ifrs-full_ProductsAndServicesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Products and services [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProductsAndServicesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProductsAndServicesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProductsAndServicesDomain" xlink:to="lab_ifrs-full_ProductsAndServicesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory_019edf59-c18f-7f87-b795-b8552ff52394_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Analysis of results by business</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of operating segments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageShares_019edf59-c18f-72fa-bca3-1e597ab40631_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basic weighted average number of shares in issue (in shares)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageShares_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average number of ordinary shares used in calculating basic earnings per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageShares" xlink:to="lab_ifrs-full_WeightedAverageShares" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_TransfersFromStageOneToStageTwoMember_019edf59-c225-76ad-9dca-b419cac3c034_terseLabel_en-US" xlink:label="lab_bcs_TransfersFromStageOneToStageTwoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers from Stage 1 to Stage 2</link:label>
    <link:label id="lab_bcs_TransfersFromStageOneToStageTwoMember_label_en-US" xlink:label="lab_bcs_TransfersFromStageOneToStageTwoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transfers From Stage One To Stage Two [Member]</link:label>
    <link:label id="lab_bcs_TransfersFromStageOneToStageTwoMember_documentation_en-US" xlink:label="lab_bcs_TransfersFromStageOneToStageTwoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for transfers from Stage one.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_TransfersFromStageOneToStageTwoMember" xlink:href="bcs-20260630.xsd#bcs_TransfersFromStageOneToStageTwoMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_TransfersFromStageOneToStageTwoMember" xlink:to="lab_bcs_TransfersFromStageOneToStageTwoMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_OtherFinancialAssetsSubjectToImpairmentMember_019edf59-c18f-7299-866e-d9c97e8d2ca0_terseLabel_en-US" xlink:label="lab_bcs_OtherFinancialAssetsSubjectToImpairmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other financial assets subject to impairment</link:label>
    <link:label id="lab_bcs_OtherFinancialAssetsSubjectToImpairmentMember_019edf59-c18f-7e03-9c4a-57bbc3d8da80_verboseLabel_en-US" xlink:label="lab_bcs_OtherFinancialAssetsSubjectToImpairmentMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">ECL movement on other financial assets</link:label>
    <link:label id="lab_bcs_OtherFinancialAssetsSubjectToImpairmentMember_label_en-US" xlink:label="lab_bcs_OtherFinancialAssetsSubjectToImpairmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Financial Assets Subject To Impairment [Member]</link:label>
    <link:label id="lab_bcs_OtherFinancialAssetsSubjectToImpairmentMember_documentation_en-US" xlink:label="lab_bcs_OtherFinancialAssetsSubjectToImpairmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for other financial assets subject to impairment, which includes cash collateral and settlement balances, financial assets at fair value through other comprehensive income, accrued income and sundry debtors.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_OtherFinancialAssetsSubjectToImpairmentMember" xlink:href="bcs-20260630.xsd#bcs_OtherFinancialAssetsSubjectToImpairmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_OtherFinancialAssetsSubjectToImpairmentMember" xlink:to="lab_bcs_OtherFinancialAssetsSubjectToImpairmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DisclosureOfContingentLiabilitiesAndCommitmentsTableTextBlock_019edf59-c225-7e42-a7bd-3c8d1b4f94d9_terseLabel_en-US" xlink:label="lab_bcs_DisclosureOfContingentLiabilitiesAndCommitmentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingent liabilities and commitments</link:label>
    <link:label id="lab_bcs_DisclosureOfContingentLiabilitiesAndCommitmentsTableTextBlock_label_en-US" xlink:label="lab_bcs_DisclosureOfContingentLiabilitiesAndCommitmentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Contingent Liabilities And Commitments [Table Text Block]</link:label>
    <link:label id="lab_bcs_DisclosureOfContingentLiabilitiesAndCommitmentsTableTextBlock_documentation_en-US" xlink:label="lab_bcs_DisclosureOfContingentLiabilitiesAndCommitmentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Contingent Liabilities And Commitments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DisclosureOfContingentLiabilitiesAndCommitmentsTableTextBlock" xlink:href="bcs-20260630.xsd#bcs_DisclosureOfContingentLiabilitiesAndCommitmentsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_DisclosureOfContingentLiabilitiesAndCommitmentsTableTextBlock" xlink:to="lab_bcs_DisclosureOfContingentLiabilitiesAndCommitmentsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_HmRevenueCustomsHmrcAssessmentsConcerningUkValueAddedTaxMember_019edf59-c18f-7d79-95ea-fa67bbe78747_terseLabel_en-US" xlink:label="lab_bcs_HmRevenueCustomsHmrcAssessmentsConcerningUkValueAddedTaxMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">HMRC assessments concerning UK VAT</link:label>
    <link:label id="lab_bcs_HmRevenueCustomsHmrcAssessmentsConcerningUkValueAddedTaxMember_label_en-US" xlink:label="lab_bcs_HmRevenueCustomsHmrcAssessmentsConcerningUkValueAddedTaxMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">HM Revenue and Customs (HMRC) assessments concerning UK Value Added Tax [member]</link:label>
    <link:label id="lab_bcs_HmRevenueCustomsHmrcAssessmentsConcerningUkValueAddedTaxMember_documentation_en-US" xlink:label="lab_bcs_HmRevenueCustomsHmrcAssessmentsConcerningUkValueAddedTaxMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">In March 2018 HMRC issued notices that have the effect of removing certain overseas subsidiaries that have operations in the UK from Barclays UK VAT group, in which group supplies between members are generally free from VAT.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_HmRevenueCustomsHmrcAssessmentsConcerningUkValueAddedTaxMember" xlink:href="bcs-20260630.xsd#bcs_HmRevenueCustomsHmrcAssessmentsConcerningUkValueAddedTaxMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_HmRevenueCustomsHmrcAssessmentsConcerningUkValueAddedTaxMember" xlink:to="lab_bcs_HmRevenueCustomsHmrcAssessmentsConcerningUkValueAddedTaxMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MiscellaneousOtherProvisionsMember_019edf59-c18f-7418-9659-6959b2d257bc_verboseLabel_en-US" xlink:label="lab_ifrs-full_MiscellaneousOtherProvisionsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Sundry provisions</link:label>
    <link:label id="lab_ifrs-full_MiscellaneousOtherProvisionsMember_label_en-US" xlink:label="lab_ifrs-full_MiscellaneousOtherProvisionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Miscellaneous other provisions [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MiscellaneousOtherProvisionsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MiscellaneousOtherProvisionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MiscellaneousOtherProvisionsMember" xlink:to="lab_ifrs-full_MiscellaneousOtherProvisionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingsByNameAxis_019edf59-c225-774e-bd48-f69ee57735f2_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings by name [axis]</link:label>
    <link:label id="lab_ifrs-full_BorrowingsByNameAxis_label_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings by name [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsByNameAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BorrowingsByNameAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsByNameAxis" xlink:to="lab_ifrs-full_BorrowingsByNameAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DerivativeCreditValuationAdjustmentsMember_019edf59-c190-7d33-ab85-9c2cf7b85723_terseLabel_en-US" xlink:label="lab_bcs_DerivativeCreditValuationAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative credit valuation adjustments</link:label>
    <link:label id="lab_bcs_DerivativeCreditValuationAdjustmentsMember_label_en-US" xlink:label="lab_bcs_DerivativeCreditValuationAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Credit Valuation Adjustments [Member]</link:label>
    <link:label id="lab_bcs_DerivativeCreditValuationAdjustmentsMember_documentation_en-US" xlink:label="lab_bcs_DerivativeCreditValuationAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for derivative credit valuation adjustment for the impact on fair value of counterparty credit risk.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DerivativeCreditValuationAdjustmentsMember" xlink:href="bcs-20260630.xsd#bcs_DerivativeCreditValuationAdjustmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_DerivativeCreditValuationAdjustmentsMember" xlink:to="lab_bcs_DerivativeCreditValuationAdjustmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_OtherAdjustmentsMember_019edf59-c18f-7bd1-abbf-7dc43eb39ae7_terseLabel_en-US" xlink:label="lab_bcs_OtherAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other adjustments</link:label>
    <link:label id="lab_bcs_OtherAdjustmentsMember_label_en-US" xlink:label="lab_bcs_OtherAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Adjustments [Member]</link:label>
    <link:label id="lab_bcs_OtherAdjustmentsMember_documentation_en-US" xlink:label="lab_bcs_OtherAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Adjustments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_OtherAdjustmentsMember" xlink:href="bcs-20260630.xsd#bcs_OtherAdjustmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_OtherAdjustmentsMember" xlink:to="lab_bcs_OtherAdjustmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_GovernmentAndGovernmentSponsoredDebtMember_019ef459-534b-742a-8718-0d6df3ed4a05_terseLabel_en-US" xlink:label="lab_bcs_GovernmentAndGovernmentSponsoredDebtMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Government and Government sponsored debt</link:label>
    <link:label id="lab_bcs_GovernmentAndGovernmentSponsoredDebtMember_label_en-US" xlink:label="lab_bcs_GovernmentAndGovernmentSponsoredDebtMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Government And Government Sponsored Debt [Member]</link:label>
    <link:label id="lab_bcs_GovernmentAndGovernmentSponsoredDebtMember_documentation_en-US" xlink:label="lab_bcs_GovernmentAndGovernmentSponsoredDebtMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Government And Government Sponsored Debt</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_GovernmentAndGovernmentSponsoredDebtMember" xlink:href="bcs-20260630.xsd#bcs_GovernmentAndGovernmentSponsoredDebtMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_GovernmentAndGovernmentSponsoredDebtMember" xlink:to="lab_bcs_GovernmentAndGovernmentSponsoredDebtMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_IncreaseDecreaseInDrawdownsRepaymentsRiskParameterChangesAndOtherMovementsExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts_019edf59-c18f-7499-878b-4df041cc8e46_terseLabel_en-US" xlink:label="lab_bcs_IncreaseDecreaseInDrawdownsRepaymentsRiskParameterChangesAndOtherMovementsExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net drawdowns, repayments, net re-measurement and movement due to exposure and risk parameter changes</link:label>
    <link:label id="lab_bcs_IncreaseDecreaseInDrawdownsRepaymentsRiskParameterChangesAndOtherMovementsExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts_label_en-US" xlink:label="lab_bcs_IncreaseDecreaseInDrawdownsRepaymentsRiskParameterChangesAndOtherMovementsExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) In Drawdowns, Repayments, Risk Parameter Changes And Other Movements, Exposure To Credit Risk On Loan Commitments And Financial Guarantee Contracts</link:label>
    <link:label id="lab_bcs_IncreaseDecreaseInDrawdownsRepaymentsRiskParameterChangesAndOtherMovementsExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts_documentation_en-US" xlink:label="lab_bcs_IncreaseDecreaseInDrawdownsRepaymentsRiskParameterChangesAndOtherMovementsExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) In Drawdowns, Repayments, Risk Parameter Changes And Other Movements, Exposure To Credit Risk On Loan Commitments And Financial Guarantee Contracts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_IncreaseDecreaseInDrawdownsRepaymentsRiskParameterChangesAndOtherMovementsExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:href="bcs-20260630.xsd#bcs_IncreaseDecreaseInDrawdownsRepaymentsRiskParameterChangesAndOtherMovementsExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_IncreaseDecreaseInDrawdownsRepaymentsRiskParameterChangesAndOtherMovementsExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:to="lab_bcs_IncreaseDecreaseInDrawdownsRepaymentsRiskParameterChangesAndOtherMovementsExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryTradingMember_019edf59-c225-7bb6-b1b4-ef61eec363c9_terseLabel_en-US" xlink:label="lab_bcs_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryTradingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial liabilities at fair value through profit or loss, category trading</link:label>
    <link:label id="lab_bcs_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryTradingMember_label_en-US" xlink:label="lab_bcs_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryTradingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Liabilities At Fair Value Through Profit Or Loss, Category Trading [Member]</link:label>
    <link:label id="lab_bcs_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryTradingMember_documentation_en-US" xlink:label="lab_bcs_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryTradingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the financial liabilities at fair value through profit or loss category, located in trading income. [Refer: Financial liabilities at fair value through profit or loss]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryTradingMember" xlink:href="bcs-20260630.xsd#bcs_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryTradingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryTradingMember" xlink:to="lab_bcs_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryTradingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_SettlementsFairValueMeasurementAssetsLiabilitiesNet_019edf59-c225-77b5-9541-da72d31dee39_negatedTerseLabel_en-US" xlink:label="lab_bcs_SettlementsFairValueMeasurementAssetsLiabilitiesNet" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Settlements, fair value measurement, assets (liabilities) net</link:label>
    <link:label id="lab_bcs_SettlementsFairValueMeasurementAssetsLiabilitiesNet_label_en-US" xlink:label="lab_bcs_SettlementsFairValueMeasurementAssetsLiabilitiesNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Settlements, Fair Value Measurement, Assets (Liabilities), Net</link:label>
    <link:label id="lab_bcs_SettlementsFairValueMeasurementAssetsLiabilitiesNet_documentation_en-US" xlink:label="lab_bcs_SettlementsFairValueMeasurementAssetsLiabilitiesNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The decrease in the fair value measurement of assets and liabilities resulting from settlements of those assets and liabilities. [Refer: At fair value [member]]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_SettlementsFairValueMeasurementAssetsLiabilitiesNet" xlink:href="bcs-20260630.xsd#bcs_SettlementsFairValueMeasurementAssetsLiabilitiesNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_SettlementsFairValueMeasurementAssetsLiabilitiesNet" xlink:to="lab_bcs_SettlementsFairValueMeasurementAssetsLiabilitiesNet" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsTable_019f60fb-1ea9-76d4-abaa-c6ca21b1028c_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about intangible assets [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about intangible assets [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:to="lab_ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherReserves_019edf59-c18f-7c0b-9b53-cfd93fac9d79_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherReserves" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other reserves</link:label>
    <link:label id="lab_ifrs-full_OtherReserves_label_en-US" xlink:label="lab_ifrs-full_OtherReserves" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other reserves</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherReserves" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherReserves"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherReserves" xlink:to="lab_ifrs-full_OtherReserves" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfExpensesByNatureExplanatory_019edf59-c225-747d-91d4-06f43d630dad_verboseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfExpensesByNatureExplanatory" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Infrastructure, administration and general expenses</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfExpensesByNatureExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfExpensesByNatureExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of expenses by nature [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfExpensesByNatureExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfExpensesByNatureExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfExpensesByNatureExplanatory" xlink:to="lab_ifrs-full_DisclosureOfExpensesByNatureExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AccumulatedImpairmentMember_019edf59-c225-71a0-b79c-791e90f810ff_verboseLabel_en-US" xlink:label="lab_ifrs-full_AccumulatedImpairmentMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Impairment allowance</link:label>
    <link:label id="lab_ifrs-full_AccumulatedImpairmentMember_019edf59-c225-7c0d-92f1-f10693c0bcb4_terseLabel_en-US" xlink:label="lab_ifrs-full_AccumulatedImpairmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impairment allowance</link:label>
    <link:label id="lab_ifrs-full_AccumulatedImpairmentMember_label_en-US" xlink:label="lab_ifrs-full_AccumulatedImpairmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated impairment [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AccumulatedImpairmentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AccumulatedImpairmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccumulatedImpairmentMember" xlink:to="lab_ifrs-full_AccumulatedImpairmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory_019edf59-c18f-7a41-99d1-46ec96619bba_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingent liabilities and commitments</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of commitments and contingent liabilities [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory_019edf59-c18f-74d0-9e46-86badca7e63c_verboseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other reserves</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of reserves within equity [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory" xlink:to="lab_ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DefinedBenefitPlansDomain_019edf59-c18f-7331-bc5d-a01d5eff106b_terseLabel_en-US" xlink:label="lab_ifrs-full_DefinedBenefitPlansDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined benefit plans [domain]</link:label>
    <link:label id="lab_ifrs-full_DefinedBenefitPlansDomain_label_en-US" xlink:label="lab_ifrs-full_DefinedBenefitPlansDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined benefit plans [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DefinedBenefitPlansDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DefinedBenefitPlansDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DefinedBenefitPlansDomain" xlink:to="lab_ifrs-full_DefinedBenefitPlansDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CountryOfDomicileMember_019edf59-c18f-7d0a-9d1a-9e1491b19587_terseLabel_en-US" xlink:label="lab_ifrs-full_CountryOfDomicileMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Country of domicile</link:label>
    <link:label id="lab_ifrs-full_CountryOfDomicileMember_label_en-US" xlink:label="lab_ifrs-full_CountryOfDomicileMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Country of domicile [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CountryOfDomicileMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CountryOfDomicileMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CountryOfDomicileMember" xlink:to="lab_ifrs-full_CountryOfDomicileMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingsInterestRate_019edf59-c225-7d71-830c-da81f1c6fa42_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsInterestRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings, interest rate</link:label>
    <link:label id="lab_ifrs-full_BorrowingsInterestRate_label_en-US" xlink:label="lab_ifrs-full_BorrowingsInterestRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings, interest rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsInterestRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BorrowingsInterestRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsInterestRate" xlink:to="lab_ifrs-full_BorrowingsInterestRate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities_019edf59-c225-79a2-a119-618026f33f5b_terseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net cash from investing activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) investing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_InfrastructureCosts_019edf59-c18f-7bab-953e-f9109e2c8c89_totalLabel_en-US" xlink:label="lab_bcs_InfrastructureCosts" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total infrastructure costs</link:label>
    <link:label id="lab_bcs_InfrastructureCosts_label_en-US" xlink:label="lab_bcs_InfrastructureCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Infrastructure Costs</link:label>
    <link:label id="lab_bcs_InfrastructureCosts_documentation_en-US" xlink:label="lab_bcs_InfrastructureCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of infrastructure costs incurred by the entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_InfrastructureCosts" xlink:href="bcs-20260630.xsd#bcs_InfrastructureCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_InfrastructureCosts" xlink:to="lab_bcs_InfrastructureCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory_019edf59-c0d6-7da7-85b4-6627e7e45974_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative financial instruments</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of derivative financial instruments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents_019edf59-c18f-7103-ba15-b6b2dbd8bac2_totalLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net increase in cash and cash equivalents</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in cash and cash equivalents after effect of exchange rate changes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:to="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughChangesInModelsOrRiskParametersFinancialAssets_019edf59-c18f-738a-95f6-abf575f01d9b_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughChangesInModelsOrRiskParametersFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Refinements to models used for calculation</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughChangesInModelsOrRiskParametersFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughChangesInModelsOrRiskParametersFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through changes in models or risk parameters, financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughChangesInModelsOrRiskParametersFinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughChangesInModelsOrRiskParametersFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughChangesInModelsOrRiskParametersFinancialAssets" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughChangesInModelsOrRiskParametersFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment_019edf59-c190-774e-ac1e-2a1762ecfdb3_terseLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impairment of property, equipment and intangible assets</link:label>
    <link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment loss recognised in profit or loss, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ShorttermEmployeeBenefitsExpenseAbstract_019edf59-c18f-7a4a-92d1-b1a3f17b205a_terseLabel_en-US" xlink:label="lab_ifrs-full_ShorttermEmployeeBenefitsExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Compensation costs</link:label>
    <link:label id="lab_ifrs-full_ShorttermEmployeeBenefitsExpenseAbstract_label_en-US" xlink:label="lab_ifrs-full_ShorttermEmployeeBenefitsExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short-term employee benefits expense [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ShorttermEmployeeBenefitsExpenseAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ShorttermEmployeeBenefitsExpenseAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ShorttermEmployeeBenefitsExpenseAbstract" xlink:to="lab_ifrs-full_ShorttermEmployeeBenefitsExpenseAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialInstrumentsPurchasedOrOriginatedCreditimpairedMember_019edf59-c225-7a6a-8901-6ea58e432b96_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialInstrumentsPurchasedOrOriginatedCreditimpairedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stage 3 POCI</link:label>
    <link:label id="lab_ifrs-full_FinancialInstrumentsPurchasedOrOriginatedCreditimpairedMember_label_en-US" xlink:label="lab_ifrs-full_FinancialInstrumentsPurchasedOrOriginatedCreditimpairedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial instruments purchased or originated credit-impaired [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialInstrumentsPurchasedOrOriginatedCreditimpairedMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialInstrumentsPurchasedOrOriginatedCreditimpairedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialInstrumentsPurchasedOrOriginatedCreditimpairedMember" xlink:to="lab_ifrs-full_FinancialInstrumentsPurchasedOrOriginatedCreditimpairedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory_019edf59-c225-7f2b-9852-9854770750fa_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit Risk</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of objectives, policies and processes for managing capital [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory" xlink:to="lab_ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_IncreaseDecreaseThroughAssetsHeldForSaleMovementsFinancialAssets_019edf59-c0d6-7d1f-9b8b-5fb4142e2215_negatedLabel_en-US" xlink:label="lab_bcs_IncreaseDecreaseThroughAssetsHeldForSaleMovementsFinancialAssets" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">ECL charge on assets held for sale</link:label>
    <link:label id="lab_bcs_IncreaseDecreaseThroughAssetsHeldForSaleMovementsFinancialAssets_label_en-US" xlink:label="lab_bcs_IncreaseDecreaseThroughAssetsHeldForSaleMovementsFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Assets Held For Sale Movements, Financial Assets</link:label>
    <link:label id="lab_bcs_IncreaseDecreaseThroughAssetsHeldForSaleMovementsFinancialAssets_documentation_en-US" xlink:label="lab_bcs_IncreaseDecreaseThroughAssetsHeldForSaleMovementsFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Assets Held For Sale Movements, Financial Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_IncreaseDecreaseThroughAssetsHeldForSaleMovementsFinancialAssets" xlink:href="bcs-20260630.xsd#bcs_IncreaseDecreaseThroughAssetsHeldForSaleMovementsFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_IncreaseDecreaseThroughAssetsHeldForSaleMovementsFinancialAssets" xlink:to="lab_bcs_IncreaseDecreaseThroughAssetsHeldForSaleMovementsFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SubordinatedLiabilities_019edf59-c18f-762a-9e32-12dfd7ef7664_terseLabel_en-US" xlink:label="lab_ifrs-full_SubordinatedLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subordinated liabilities</link:label>
    <link:label id="lab_ifrs-full_SubordinatedLiabilities_019edf59-c18f-7a4d-98bd-6bfdd3cfccd4_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_SubordinatedLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Subordinated liabilities</link:label>
    <link:label id="lab_ifrs-full_SubordinatedLiabilities_019edf59-c18f-7020-a3df-3437b7496d00_periodStartLabel_en-US" xlink:label="lab_ifrs-full_SubordinatedLiabilities" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Opening balance as at 1 January</link:label>
    <link:label id="lab_ifrs-full_SubordinatedLiabilities_019edf59-c18f-7e1d-bf1b-916ea9bae0ea_periodEndLabel_en-US" xlink:label="lab_ifrs-full_SubordinatedLiabilities" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Closing balance</link:label>
    <link:label id="lab_ifrs-full_SubordinatedLiabilities_label_en-US" xlink:label="lab_ifrs-full_SubordinatedLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subordinated liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SubordinatedLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SubordinatedLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SubordinatedLiabilities" xlink:to="lab_ifrs-full_SubordinatedLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_ProvisionsAnnualCompensatoryInterest_019f5b59-7c15-7c5d-9977-f0cf0d1c7f43_terseLabel_en-US" xlink:label="lab_bcs_ProvisionsAnnualCompensatoryInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Compensatory interest</link:label>
    <link:label id="lab_bcs_ProvisionsAnnualCompensatoryInterest_label_en-US" xlink:label="lab_bcs_ProvisionsAnnualCompensatoryInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provisions, Annual Compensatory Interest</link:label>
    <link:label id="lab_bcs_ProvisionsAnnualCompensatoryInterest_documentation_en-US" xlink:label="lab_bcs_ProvisionsAnnualCompensatoryInterest" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provisions, Annual Compensatory Interest</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_ProvisionsAnnualCompensatoryInterest" xlink:href="bcs-20260630.xsd#bcs_ProvisionsAnnualCompensatoryInterest"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_ProvisionsAnnualCompensatoryInterest" xlink:to="lab_bcs_ProvisionsAnnualCompensatoryInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_NumberOfConvertibleInstrumentsIssued_019edf59-c18f-786b-b06a-959d8d333192_terseLabel_en-US" xlink:label="lab_bcs_NumberOfConvertibleInstrumentsIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of convertible instruments issued</link:label>
    <link:label id="lab_bcs_NumberOfConvertibleInstrumentsIssued_label_en-US" xlink:label="lab_bcs_NumberOfConvertibleInstrumentsIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Convertible Instruments Issued</link:label>
    <link:label id="lab_bcs_NumberOfConvertibleInstrumentsIssued_documentation_en-US" xlink:label="lab_bcs_NumberOfConvertibleInstrumentsIssued" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Convertible Instruments Issued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_NumberOfConvertibleInstrumentsIssued" xlink:href="bcs-20260630.xsd#bcs_NumberOfConvertibleInstrumentsIssued"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_NumberOfConvertibleInstrumentsIssued" xlink:to="lab_bcs_NumberOfConvertibleInstrumentsIssued" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsLineItems_019f60fb-9f1f-71c6-8b34-eb943c70fa4b_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about intangible assets [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about intangible assets [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:to="lab_ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_IncreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInProfitOrLossAfterTaxAssetsLiabilities_019edf59-c225-7f50-ba26-166f7155e18d_terseLabel_en-US" xlink:label="lab_bcs_IncreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInProfitOrLossAfterTaxAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Favorable changes, Income Statement</link:label>
    <link:label id="lab_bcs_IncreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInProfitOrLossAfterTaxAssetsLiabilities_label_en-US" xlink:label="lab_bcs_IncreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInProfitOrLossAfterTaxAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase In Fair Value Measurement Due To Change In Multiple Unobservable Inputs To Reflect Reasonably Possible Alternative Assumptions, Recognised In Profit Or Loss, After Tax, Assets (Liabilities)</link:label>
    <link:label id="lab_bcs_IncreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInProfitOrLossAfterTaxAssetsLiabilities_documentation_en-US" xlink:label="lab_bcs_IncreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInProfitOrLossAfterTaxAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of increase in the fair value measurement of assets (liabilities), recognised in profit or loss after tax, due to a change in multiple unobservable inputs to reflect reasonably possible alternative assumptions. [Refer: Tax income (expense)]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_IncreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInProfitOrLossAfterTaxAssetsLiabilities" xlink:href="bcs-20260630.xsd#bcs_IncreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInProfitOrLossAfterTaxAssetsLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_IncreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInProfitOrLossAfterTaxAssetsLiabilities" xlink:to="lab_bcs_IncreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInProfitOrLossAfterTaxAssetsLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_BankRateMember_019edf59-c225-73fb-8166-7cc6d135feca_terseLabel_en-US" xlink:label="lab_bcs_BankRateMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bank rate</link:label>
    <link:label id="lab_bcs_BankRateMember_label_en-US" xlink:label="lab_bcs_BankRateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bank Rate [member]</link:label>
    <link:label id="lab_bcs_BankRateMember_documentation_en-US" xlink:label="lab_bcs_BankRateMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for bank rate.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_BankRateMember" xlink:href="bcs-20260630.xsd#bcs_BankRateMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_BankRateMember" xlink:to="lab_bcs_BankRateMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities_019edf59-c0d6-758e-a9a0-5ce24d377f1d_terseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net cash from financing activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EmployeeBenefitsExpense_019edf59-c0d6-7a7b-8e5e-43745da48540_negatedLabel_en-US" xlink:label="lab_ifrs-full_EmployeeBenefitsExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Staff costs</link:label>
    <link:label id="lab_ifrs-full_EmployeeBenefitsExpense_019edf59-c0d6-7b68-9b2f-e84d70baa3cd_totalLabel_en-US" xlink:label="lab_ifrs-full_EmployeeBenefitsExpense" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total staff costs</link:label>
    <link:label id="lab_ifrs-full_EmployeeBenefitsExpense_label_en-US" xlink:label="lab_ifrs-full_EmployeeBenefitsExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee benefits expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EmployeeBenefitsExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EmployeeBenefitsExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EmployeeBenefitsExpense" xlink:to="lab_ifrs-full_EmployeeBenefitsExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_AdjustmentUnderIFRS9TransitionalArrangements_019edf59-c190-74b7-b1c7-022fcfb3b354_terseLabel_en-US" xlink:label="lab_bcs_AdjustmentUnderIFRS9TransitionalArrangements" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustment under IFRS 9 transitional arrangements</link:label>
    <link:label id="lab_bcs_AdjustmentUnderIFRS9TransitionalArrangements_label_en-US" xlink:label="lab_bcs_AdjustmentUnderIFRS9TransitionalArrangements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustment Under IFRS 9 Transitional Arrangements</link:label>
    <link:label id="lab_bcs_AdjustmentUnderIFRS9TransitionalArrangements_documentation_en-US" xlink:label="lab_bcs_AdjustmentUnderIFRS9TransitionalArrangements" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of adjustments under IFRS 9 transitional arrangements.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_AdjustmentUnderIFRS9TransitionalArrangements" xlink:href="bcs-20260630.xsd#bcs_AdjustmentUnderIFRS9TransitionalArrangements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_AdjustmentUnderIFRS9TransitionalArrangements" xlink:to="lab_bcs_AdjustmentUnderIFRS9TransitionalArrangements" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_BarclaysUkMember_019edf59-c0d6-759f-b540-e29444faa8d6_terseLabel_en-US" xlink:label="lab_bcs_BarclaysUkMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Barclays UK</link:label>
    <link:label id="lab_bcs_BarclaysUkMember_label_en-US" xlink:label="lab_bcs_BarclaysUkMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Barclays Bank UK PLC [member]</link:label>
    <link:label id="lab_bcs_BarclaysUkMember_documentation_en-US" xlink:label="lab_bcs_BarclaysUkMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the Barclays UK business segment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_BarclaysUkMember" xlink:href="bcs-20260630.xsd#bcs_BarclaysUkMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_BarclaysUkMember" xlink:to="lab_bcs_BarclaysUkMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_IssuedCapitalAndSharePremiumMember_019edf59-c18f-7d4f-918d-811697f32a24_terseLabel_en-US" xlink:label="lab_bcs_IssuedCapitalAndSharePremiumMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Called up share capital and share premium</link:label>
    <link:label id="lab_bcs_IssuedCapitalAndSharePremiumMember_label_en-US" xlink:label="lab_bcs_IssuedCapitalAndSharePremiumMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issued Capital And Share Premium [Member]</link:label>
    <link:label id="lab_bcs_IssuedCapitalAndSharePremiumMember_documentation_en-US" xlink:label="lab_bcs_IssuedCapitalAndSharePremiumMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the issued capital including the amount received or receivable from issuance of the entity's shares in excess of nominal value.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_IssuedCapitalAndSharePremiumMember" xlink:href="bcs-20260630.xsd#bcs_IssuedCapitalAndSharePremiumMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_IssuedCapitalAndSharePremiumMember" xlink:to="lab_bcs_IssuedCapitalAndSharePremiumMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FairValueHedgesMember_019edf59-c18f-7212-8d3e-57a6da09b6af_terseLabel_en-US" xlink:label="lab_ifrs-full_FairValueHedgesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivatives designated as fair value hedges</link:label>
    <link:label id="lab_ifrs-full_FairValueHedgesMember_label_en-US" xlink:label="lab_ifrs-full_FairValueHedgesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair value hedges [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FairValueHedgesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FairValueHedgesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FairValueHedgesMember" xlink:to="lab_ifrs-full_FairValueHedgesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_ECLFromNonModelledExposuresAndDebtSecuritiesMember_019edf59-c18f-7ba7-a701-3cecdeb019ea_terseLabel_en-US" xlink:label="lab_bcs_ECLFromNonModelledExposuresAndDebtSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ECL from non-modelled exposures and debt securities</link:label>
    <link:label id="lab_bcs_ECLFromNonModelledExposuresAndDebtSecuritiesMember_label_en-US" xlink:label="lab_bcs_ECLFromNonModelledExposuresAndDebtSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ECL From Non-Modelled Exposures And Debt Securities [Member]</link:label>
    <link:label id="lab_bcs_ECLFromNonModelledExposuresAndDebtSecuritiesMember_documentation_en-US" xlink:label="lab_bcs_ECLFromNonModelledExposuresAndDebtSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ECL From Non-Modelled Exposures And Debt Securities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_ECLFromNonModelledExposuresAndDebtSecuritiesMember" xlink:href="bcs-20260630.xsd#bcs_ECLFromNonModelledExposuresAndDebtSecuritiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_ECLFromNonModelledExposuresAndDebtSecuritiesMember" xlink:to="lab_bcs_ECLFromNonModelledExposuresAndDebtSecuritiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_SpreadRiskMember_019edf59-c18f-71e0-ae8c-5813d27cfaa7_terseLabel_en-US" xlink:label="lab_bcs_SpreadRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Spread risk</link:label>
    <link:label id="lab_bcs_SpreadRiskMember_label_en-US" xlink:label="lab_bcs_SpreadRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Spread Risk [Member]</link:label>
    <link:label id="lab_bcs_SpreadRiskMember_documentation_en-US" xlink:label="lab_bcs_SpreadRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the spread risk factor.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_SpreadRiskMember" xlink:href="bcs-20260630.xsd#bcs_SpreadRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_SpreadRiskMember" xlink:to="lab_bcs_SpreadRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_FinancialInstrumentsExcludingPurchasedOrOriginatedCreditImpairedMember_019edf59-c18f-79ef-a303-ca12cabac826_terseLabel_en-US" xlink:label="lab_bcs_FinancialInstrumentsExcludingPurchasedOrOriginatedCreditImpairedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stage 3 excluding POCI</link:label>
    <link:label id="lab_bcs_FinancialInstrumentsExcludingPurchasedOrOriginatedCreditImpairedMember_label_en-US" xlink:label="lab_bcs_FinancialInstrumentsExcludingPurchasedOrOriginatedCreditImpairedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Instruments, Excluding Purchased Or Originated Credit-Impaired [Member]</link:label>
    <link:label id="lab_bcs_FinancialInstrumentsExcludingPurchasedOrOriginatedCreditImpairedMember_documentation_en-US" xlink:label="lab_bcs_FinancialInstrumentsExcludingPurchasedOrOriginatedCreditImpairedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Instruments, Excluding Purchased Or Originated Credit-Impaired</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_FinancialInstrumentsExcludingPurchasedOrOriginatedCreditImpairedMember" xlink:href="bcs-20260630.xsd#bcs_FinancialInstrumentsExcludingPurchasedOrOriginatedCreditImpairedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_FinancialInstrumentsExcludingPurchasedOrOriginatedCreditImpairedMember" xlink:to="lab_bcs_FinancialInstrumentsExcludingPurchasedOrOriginatedCreditImpairedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LifetimeExpectedCreditLossesMember_019edf59-c18f-7cc3-8698-f7b6bea6b716_terseLabel_en-US" xlink:label="lab_ifrs-full_LifetimeExpectedCreditLossesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lifetime expected credit losses</link:label>
    <link:label id="lab_ifrs-full_LifetimeExpectedCreditLossesMember_label_en-US" xlink:label="lab_ifrs-full_LifetimeExpectedCreditLossesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lifetime expected credit losses [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LifetimeExpectedCreditLossesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LifetimeExpectedCreditLossesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LifetimeExpectedCreditLossesMember" xlink:to="lab_ifrs-full_LifetimeExpectedCreditLossesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DerivativeFinancialAssetsHeldForHedging_019edf59-c18f-7729-b1fb-f37b375cc637_terseLabel_en-US" xlink:label="lab_ifrs-full_DerivativeFinancialAssetsHeldForHedging" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative assets designated in hedge accounting relationships</link:label>
    <link:label id="lab_ifrs-full_DerivativeFinancialAssetsHeldForHedging_label_en-US" xlink:label="lab_ifrs-full_DerivativeFinancialAssetsHeldForHedging" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative financial assets held for hedging</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DerivativeFinancialAssetsHeldForHedging" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DerivativeFinancialAssetsHeldForHedging"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DerivativeFinancialAssetsHeldForHedging" xlink:to="lab_ifrs-full_DerivativeFinancialAssetsHeldForHedging" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseThroughOriginationOrPurchaseFinancialAssets_019edf59-c190-7670-91ab-6e735f458f2d_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseThroughOriginationOrPurchaseFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business activity in the period</link:label>
    <link:label id="lab_ifrs-full_IncreaseThroughOriginationOrPurchaseFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_IncreaseThroughOriginationOrPurchaseFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase through origination or purchase, financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseThroughOriginationOrPurchaseFinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseThroughOriginationOrPurchaseFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseThroughOriginationOrPurchaseFinancialAssets" xlink:to="lab_ifrs-full_IncreaseThroughOriginationOrPurchaseFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ConsolidatedEntitiesDomain_019edf59-c0d6-72e0-a699-9805d1f8f494_terseLabel_en-US" xlink:label="lab_srt_ConsolidatedEntitiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consolidated Entities [Domain]</link:label>
    <link:label id="lab_srt_ConsolidatedEntitiesDomain_label_en-US" xlink:label="lab_srt_ConsolidatedEntitiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidated Entities [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ConsolidatedEntitiesDomain" xlink:to="lab_srt_ConsolidatedEntitiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsTable_019edf59-c225-7df6-85f1-9d832b98d5fb_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of operating segments [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of operating segments [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:to="lab_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityTable_019edf59-c225-70f0-8b17-a03b36e19aee_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [table]</link:label>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityTable_label_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfChangesInEquityTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfChangesInEquityTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfChangesInEquityTable" xlink:to="lab_ifrs-full_StatementOfChangesInEquityTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities_019edf59-c18f-7639-a186-9f4c5619800a_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total gains and losses in the period recognised in the income statement, liabilities</link:label>
    <link:label id="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities_label_en-US" xlink:label="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (losses) recognised in profit or loss including exchange differences, fair value measurement, liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities" xlink:to="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EquityPriceRiskMember_019edf59-c18f-7bda-9477-50e662493846_terseLabel_en-US" xlink:label="lab_ifrs-full_EquityPriceRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity risk</link:label>
    <link:label id="lab_ifrs-full_EquityPriceRiskMember_019edf59-c18f-73da-bf1c-b7c2b9c52e55_verboseLabel_en-US" xlink:label="lab_ifrs-full_EquityPriceRiskMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Equity derivatives</link:label>
    <link:label id="lab_ifrs-full_EquityPriceRiskMember_label_en-US" xlink:label="lab_ifrs-full_EquityPriceRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity price risk [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityPriceRiskMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityPriceRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityPriceRiskMember" xlink:to="lab_ifrs-full_EquityPriceRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SegmentsAxis_019edf59-c225-752d-be9f-339e37dfb785_terseLabel_en-US" xlink:label="lab_ifrs-full_SegmentsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segments [axis]</link:label>
    <link:label id="lab_ifrs-full_SegmentsAxis_label_en-US" xlink:label="lab_ifrs-full_SegmentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segments [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SegmentsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SegmentsAxis" xlink:to="lab_ifrs-full_SegmentsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_BarclaysSecuritizationSPVMember_019ef4e4-f89c-73a3-9102-bf165b06c799_terseLabel_en-US" xlink:label="lab_bcs_BarclaysSecuritizationSPVMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Barclays Securitization SPV</link:label>
    <link:label id="lab_bcs_BarclaysSecuritizationSPVMember_label_en-US" xlink:label="lab_bcs_BarclaysSecuritizationSPVMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Barclays Securitization SPV [Member]</link:label>
    <link:label id="lab_bcs_BarclaysSecuritizationSPVMember_documentation_en-US" xlink:label="lab_bcs_BarclaysSecuritizationSPVMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Barclays Securitization SPV</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_BarclaysSecuritizationSPVMember" xlink:href="bcs-20260630.xsd#bcs_BarclaysSecuritizationSPVMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_BarclaysSecuritizationSPVMember" xlink:to="lab_bcs_BarclaysSecuritizationSPVMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfRisksAxis_019edf59-c225-76bc-b4fc-645c76b2fded_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfRisksAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of risks [axis]</link:label>
    <link:label id="lab_ifrs-full_TypesOfRisksAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfRisksAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of risks [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfRisksAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfRisksAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfRisksAxis" xlink:to="lab_ifrs-full_TypesOfRisksAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_TransfersFromStageThreeMember_019edf59-c18f-7d8b-945a-717ba22b5dcb_terseLabel_en-US" xlink:label="lab_bcs_TransfersFromStageThreeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers from Stage 3</link:label>
    <link:label id="lab_bcs_TransfersFromStageThreeMember_label_en-US" xlink:label="lab_bcs_TransfersFromStageThreeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transfers From Stage Three [Member]</link:label>
    <link:label id="lab_bcs_TransfersFromStageThreeMember_documentation_en-US" xlink:label="lab_bcs_TransfersFromStageThreeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for transfers from Stage three.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_TransfersFromStageThreeMember" xlink:href="bcs-20260630.xsd#bcs_TransfersFromStageThreeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_TransfersFromStageThreeMember" xlink:to="lab_bcs_TransfersFromStageThreeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_CurrentFiscalYearEndDate_019edf59-c18f-7091-a50f-73c7fcec1317_terseLabel_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current Fiscal Year End Date</link:label>
    <link:label id="lab_dei_CurrentFiscalYearEndDate_label_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Fiscal Year End Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CurrentFiscalYearEndDate" xlink:to="lab_dei_CurrentFiscalYearEndDate" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DisclosureOfFairValueAdjustmentsTableTextBlock_019edf59-c18f-706b-9351-ef413817e9cc_terseLabel_en-US" xlink:label="lab_bcs_DisclosureOfFairValueAdjustmentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value adjustments</link:label>
    <link:label id="lab_bcs_DisclosureOfFairValueAdjustmentsTableTextBlock_label_en-US" xlink:label="lab_bcs_DisclosureOfFairValueAdjustmentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of fair value adjustments [table text block]</link:label>
    <link:label id="lab_bcs_DisclosureOfFairValueAdjustmentsTableTextBlock_documentation_en-US" xlink:label="lab_bcs_DisclosureOfFairValueAdjustmentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The tabular disclosure of key balance sheet valuation adjustments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DisclosureOfFairValueAdjustmentsTableTextBlock" xlink:href="bcs-20260630.xsd#bcs_DisclosureOfFairValueAdjustmentsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_DisclosureOfFairValueAdjustmentsTableTextBlock" xlink:to="lab_bcs_DisclosureOfFairValueAdjustmentsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfHedgesDomain_019edf59-c18f-713f-b896-4f72b91533b0_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfHedgesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of hedges [domain]</link:label>
    <link:label id="lab_ifrs-full_TypesOfHedgesDomain_label_en-US" xlink:label="lab_ifrs-full_TypesOfHedgesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of hedges [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfHedgesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfHedgesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfHedgesDomain" xlink:to="lab_ifrs-full_TypesOfHedgesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DividendsPaidOrdinarySharesPerShare_019edf59-c225-703e-b114-d61c0bae92c8_terseLabel_en-US" xlink:label="lab_ifrs-full_DividendsPaidOrdinarySharesPerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividends paid, ordinary shares per share (in GBP per share)</link:label>
    <link:label id="lab_ifrs-full_DividendsPaidOrdinarySharesPerShare_label_en-US" xlink:label="lab_ifrs-full_DividendsPaidOrdinarySharesPerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends paid, ordinary shares per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DividendsPaidOrdinarySharesPerShare" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DividendsPaidOrdinarySharesPerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DividendsPaidOrdinarySharesPerShare" xlink:to="lab_ifrs-full_DividendsPaidOrdinarySharesPerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_NumberOfLawsuitsWithSpecifiedDamagesSought_019edf59-c18f-7ba2-8cb2-a133441ee351_terseLabel_en-US" xlink:label="lab_bcs_NumberOfLawsuitsWithSpecifiedDamagesSought" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of lawsuits with specified damages sought</link:label>
    <link:label id="lab_bcs_NumberOfLawsuitsWithSpecifiedDamagesSought_label_en-US" xlink:label="lab_bcs_NumberOfLawsuitsWithSpecifiedDamagesSought" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Lawsuits With Specified Damages Sought</link:label>
    <link:label id="lab_bcs_NumberOfLawsuitsWithSpecifiedDamagesSought_documentation_en-US" xlink:label="lab_bcs_NumberOfLawsuitsWithSpecifiedDamagesSought" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of lawsuits with damages sought specified.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_NumberOfLawsuitsWithSpecifiedDamagesSought" xlink:href="bcs-20260630.xsd#bcs_NumberOfLawsuitsWithSpecifiedDamagesSought"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_NumberOfLawsuitsWithSpecifiedDamagesSought" xlink:to="lab_bcs_NumberOfLawsuitsWithSpecifiedDamagesSought" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_GroupCompensationAsPercentageOfIncome_019edf59-c225-7838-8f59-276b2cc96231_terseLabel_en-US" xlink:label="lab_bcs_GroupCompensationAsPercentageOfIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Barclays Group compensation costs as a % of total income</link:label>
    <link:label id="lab_bcs_GroupCompensationAsPercentageOfIncome_label_en-US" xlink:label="lab_bcs_GroupCompensationAsPercentageOfIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Group Compensation As Percentage Of Income</link:label>
    <link:label id="lab_bcs_GroupCompensationAsPercentageOfIncome_documentation_en-US" xlink:label="lab_bcs_GroupCompensationAsPercentageOfIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of group compensation costs expressed as a percentage of income.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_GroupCompensationAsPercentageOfIncome" xlink:href="bcs-20260630.xsd#bcs_GroupCompensationAsPercentageOfIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_GroupCompensationAsPercentageOfIncome" xlink:to="lab_bcs_GroupCompensationAsPercentageOfIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability_019edf59-c225-7406-bdfe-0f6381ccb9af_verboseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Own credit</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income, net of tax, change in fair value of financial liability attributable to change in credit risk of liability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BottomOfRangeMember_019edf59-c18f-736c-a97f-5bfee2752f7b_verboseLabel_en-US" xlink:label="lab_ifrs-full_BottomOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Low</link:label>
    <link:label id="lab_ifrs-full_BottomOfRangeMember_label_en-US" xlink:label="lab_ifrs-full_BottomOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bottom of range [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BottomOfRangeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BottomOfRangeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BottomOfRangeMember" xlink:to="lab_ifrs-full_BottomOfRangeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialInstrumentsCreditimpairedMember_019edf59-c190-7c3b-b643-1e0132d40f4c_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialInstrumentsCreditimpairedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stage 3</link:label>
    <link:label id="lab_ifrs-full_FinancialInstrumentsCreditimpairedMember_label_en-US" xlink:label="lab_ifrs-full_FinancialInstrumentsCreditimpairedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial instruments credit-impaired [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialInstrumentsCreditimpairedMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialInstrumentsCreditimpairedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialInstrumentsCreditimpairedMember" xlink:to="lab_ifrs-full_FinancialInstrumentsCreditimpairedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfHedgesAxis_019edf59-c0d6-714e-a7af-c01c3c2b0a03_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfHedgesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of hedges [axis]</link:label>
    <link:label id="lab_ifrs-full_TypesOfHedgesAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfHedgesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of hedges [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfHedgesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfHedgesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfHedgesAxis" xlink:to="lab_ifrs-full_TypesOfHedgesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxAssetWhenUtilisationIsDependentOnFutureTaxableProfitsInExcessOfProfitsFromReversalOfTaxableTemporaryDifferencesAndEntityHasSufferedLossInJurisdictionToWhichDeferredTaxAssetRelates_019edf59-c225-7ee7-9d9c-5d593858deea_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxAssetWhenUtilisationIsDependentOnFutureTaxableProfitsInExcessOfProfitsFromReversalOfTaxableTemporaryDifferencesAndEntityHasSufferedLossInJurisdictionToWhichDeferredTaxAssetRelates" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax assets that rely on future profitability excluding temporary differences</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxAssetWhenUtilisationIsDependentOnFutureTaxableProfitsInExcessOfProfitsFromReversalOfTaxableTemporaryDifferencesAndEntityHasSufferedLossInJurisdictionToWhichDeferredTaxAssetRelates_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxAssetWhenUtilisationIsDependentOnFutureTaxableProfitsInExcessOfProfitsFromReversalOfTaxableTemporaryDifferencesAndEntityHasSufferedLossInJurisdictionToWhichDeferredTaxAssetRelates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred tax asset when utilisation is dependent on future taxable profits in excess of profits from reversal of taxable temporary differences and entity has suffered loss in jurisdiction to which deferred tax asset relates</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxAssetWhenUtilisationIsDependentOnFutureTaxableProfitsInExcessOfProfitsFromReversalOfTaxableTemporaryDifferencesAndEntityHasSufferedLossInJurisdictionToWhichDeferredTaxAssetRelates" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredTaxAssetWhenUtilisationIsDependentOnFutureTaxableProfitsInExcessOfProfitsFromReversalOfTaxableTemporaryDifferencesAndEntityHasSufferedLossInJurisdictionToWhichDeferredTaxAssetRelates"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxAssetWhenUtilisationIsDependentOnFutureTaxableProfitsInExcessOfProfitsFromReversalOfTaxableTemporaryDifferencesAndEntityHasSufferedLossInJurisdictionToWhichDeferredTaxAssetRelates" xlink:to="lab_ifrs-full_DeferredTaxAssetWhenUtilisationIsDependentOnFutureTaxableProfitsInExcessOfProfitsFromReversalOfTaxableTemporaryDifferencesAndEntityHasSufferedLossInJurisdictionToWhichDeferredTaxAssetRelates" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfRelatedPartiesAxis_019edf59-c18f-78a6-8eb2-5769c63b28a8_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Categories of related parties [axis]</link:label>
    <link:label id="lab_ifrs-full_CategoriesOfRelatedPartiesAxis_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Categories of related parties [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfRelatedPartiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:to="lab_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems_019edf59-c18f-739b-99f9-c4ba56a4164f_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about borrowings [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about borrowings [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DerivativeFinancialLiabilitiesHeldForHedging_019edf59-c18f-72e0-80de-4fde0bb7ca48_negatedLabel_en-US" xlink:label="lab_ifrs-full_DerivativeFinancialLiabilitiesHeldForHedging" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Derivative liabilities designated in hedge accounting relationships</link:label>
    <link:label id="lab_ifrs-full_DerivativeFinancialLiabilitiesHeldForHedging_label_en-US" xlink:label="lab_ifrs-full_DerivativeFinancialLiabilitiesHeldForHedging" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative financial liabilities held for hedging</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DerivativeFinancialLiabilitiesHeldForHedging" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DerivativeFinancialLiabilitiesHeldForHedging"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DerivativeFinancialLiabilitiesHeldForHedging" xlink:to="lab_ifrs-full_DerivativeFinancialLiabilitiesHeldForHedging" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DisclosureOfShortTermEmployeeBenefitsExplanatoryTextBlock_019edf59-c18f-78a0-b6cd-aeaa3ace894b_terseLabel_en-US" xlink:label="lab_bcs_DisclosureOfShortTermEmployeeBenefitsExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Staff costs</link:label>
    <link:label id="lab_bcs_DisclosureOfShortTermEmployeeBenefitsExplanatoryTextBlock_label_en-US" xlink:label="lab_bcs_DisclosureOfShortTermEmployeeBenefitsExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Short-Term Employee Benefits Explanatory [Text Block]</link:label>
    <link:label id="lab_bcs_DisclosureOfShortTermEmployeeBenefitsExplanatoryTextBlock_documentation_en-US" xlink:label="lab_bcs_DisclosureOfShortTermEmployeeBenefitsExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The entire disclosure for short-term employee benefits.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DisclosureOfShortTermEmployeeBenefitsExplanatoryTextBlock" xlink:href="bcs-20260630.xsd#bcs_DisclosureOfShortTermEmployeeBenefitsExplanatoryTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_DisclosureOfShortTermEmployeeBenefitsExplanatoryTextBlock" xlink:to="lab_bcs_DisclosureOfShortTermEmployeeBenefitsExplanatoryTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_country_IT_019ef965-c5fe-79f5-852f-edb0d3b6f15b_terseLabel_en-US" xlink:label="lab_country_IT" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ITALY</link:label>
    <link:label id="lab_country_IT_label_en-US" xlink:label="lab_country_IT" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ITALY</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_IT" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_IT"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_IT" xlink:to="lab_country_IT" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DisclosureOfReservesAndOtherEquityInterestTableTextBlock_019edf59-c190-758a-9b01-340e88f0d192_verboseLabel_en-US" xlink:label="lab_bcs_DisclosureOfReservesAndOtherEquityInterestTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other reserves</link:label>
    <link:label id="lab_bcs_DisclosureOfReservesAndOtherEquityInterestTableTextBlock_label_en-US" xlink:label="lab_bcs_DisclosureOfReservesAndOtherEquityInterestTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of reserves within equity [table text block]</link:label>
    <link:label id="lab_bcs_DisclosureOfReservesAndOtherEquityInterestTableTextBlock_documentation_en-US" xlink:label="lab_bcs_DisclosureOfReservesAndOtherEquityInterestTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The tabular disclosure of other reserves within equity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DisclosureOfReservesAndOtherEquityInterestTableTextBlock" xlink:href="bcs-20260630.xsd#bcs_DisclosureOfReservesAndOtherEquityInterestTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_DisclosureOfReservesAndOtherEquityInterestTableTextBlock" xlink:to="lab_bcs_DisclosureOfReservesAndOtherEquityInterestTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ParValuePerShare_019edf59-c18f-75ce-95f1-c9ac5b250eed_terseLabel_en-US" xlink:label="lab_ifrs-full_ParValuePerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Par value per share (in GBP per share)</link:label>
    <link:label id="lab_ifrs-full_ParValuePerShare_label_en-US" xlink:label="lab_ifrs-full_ParValuePerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Par value per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ParValuePerShare" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ParValuePerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ParValuePerShare" xlink:to="lab_ifrs-full_ParValuePerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLoss_019edf59-c225-7b0c-9f4b-023101fccef9_totalLabel_en-US" xlink:label="lab_ifrs-full_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Profit after tax</link:label>
    <link:label id="lab_ifrs-full_ProfitLoss_019edf59-c225-7209-b038-7b184b6b0fcd_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Profit after tax</link:label>
    <link:label id="lab_ifrs-full_ProfitLoss_label_en-US" xlink:label="lab_ifrs-full_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLoss" xlink:to="lab_ifrs-full_ProfitLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_OtherRegulatoryAdjustments_019edf59-c225-724a-b3c7-2d25de3e346f_terseLabel_en-US" xlink:label="lab_bcs_OtherRegulatoryAdjustments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other regulatory adjustments</link:label>
    <link:label id="lab_bcs_OtherRegulatoryAdjustments_label_en-US" xlink:label="lab_bcs_OtherRegulatoryAdjustments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Regulatory Adjustments</link:label>
    <link:label id="lab_bcs_OtherRegulatoryAdjustments_documentation_en-US" xlink:label="lab_bcs_OtherRegulatoryAdjustments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of regulatory adjustments, classified as other.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_OtherRegulatoryAdjustments" xlink:href="bcs-20260630.xsd#bcs_OtherRegulatoryAdjustments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_OtherRegulatoryAdjustments" xlink:to="lab_bcs_OtherRegulatoryAdjustments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges_019edf59-c190-7ad6-b9d9-29d17a2df656_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flow hedges</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income, net of tax, cash flow hedges</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_CashCollateralNettedMember_019edf59-c225-7978-a1e9-a1e5f815fb39_terseLabel_en-US" xlink:label="lab_bcs_CashCollateralNettedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash collateral netted</link:label>
    <link:label id="lab_bcs_CashCollateralNettedMember_label_en-US" xlink:label="lab_bcs_CashCollateralNettedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Collateral Netted [Member]</link:label>
    <link:label id="lab_bcs_CashCollateralNettedMember_documentation_en-US" xlink:label="lab_bcs_CashCollateralNettedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for cash collateral netted.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_CashCollateralNettedMember" xlink:href="bcs-20260630.xsd#bcs_CashCollateralNettedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_CashCollateralNettedMember" xlink:to="lab_bcs_CashCollateralNettedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainOnRecoveryOfLoansAndAdvancesPreviouslyWrittenOff_019edf59-c225-7063-9e6b-4aaa81528fb5_terseLabel_en-US" xlink:label="lab_ifrs-full_GainOnRecoveryOfLoansAndAdvancesPreviouslyWrittenOff" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Post write-off recoveries</link:label>
    <link:label id="lab_ifrs-full_GainOnRecoveryOfLoansAndAdvancesPreviouslyWrittenOff_label_en-US" xlink:label="lab_ifrs-full_GainOnRecoveryOfLoansAndAdvancesPreviouslyWrittenOff" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain on recovery of loans and advances previously written off</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainOnRecoveryOfLoansAndAdvancesPreviouslyWrittenOff" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainOnRecoveryOfLoansAndAdvancesPreviouslyWrittenOff"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainOnRecoveryOfLoansAndAdvancesPreviouslyWrittenOff" xlink:to="lab_ifrs-full_GainOnRecoveryOfLoansAndAdvancesPreviouslyWrittenOff" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExplanationOfInputsAssumptionsAndEstimationTechniquesUsedToApplyImpairmentRequirementsExplanatory_019edf59-c225-7baa-a259-e1b9e5006fc3_terseLabel_en-US" xlink:label="lab_ifrs-full_ExplanationOfInputsAssumptionsAndEstimationTechniquesUsedToApplyImpairmentRequirementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of ECL under 100% weighted scenarios for key principal portfolios</link:label>
    <link:label id="lab_ifrs-full_ExplanationOfInputsAssumptionsAndEstimationTechniquesUsedToApplyImpairmentRequirementsExplanatory_label_en-US" xlink:label="lab_ifrs-full_ExplanationOfInputsAssumptionsAndEstimationTechniquesUsedToApplyImpairmentRequirementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Explanation of inputs, assumptions and estimation techniques used to apply impairment requirements [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExplanationOfInputsAssumptionsAndEstimationTechniquesUsedToApplyImpairmentRequirementsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExplanationOfInputsAssumptionsAndEstimationTechniquesUsedToApplyImpairmentRequirementsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExplanationOfInputsAssumptionsAndEstimationTechniquesUsedToApplyImpairmentRequirementsExplanatory" xlink:to="lab_ifrs-full_ExplanationOfInputsAssumptionsAndEstimationTechniquesUsedToApplyImpairmentRequirementsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_SecuritiesAssetsBackedMember_019ef45a-7778-7c45-b678-3dd61cda2e38_verboseLabel_en-US" xlink:label="lab_bcs_SecuritiesAssetsBackedMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Asset backed securities</link:label>
    <link:label id="lab_bcs_SecuritiesAssetsBackedMember_label_en-US" xlink:label="lab_bcs_SecuritiesAssetsBackedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Securities, Assets Backed [Member]</link:label>
    <link:label id="lab_bcs_SecuritiesAssetsBackedMember_documentation_en-US" xlink:label="lab_bcs_SecuritiesAssetsBackedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Securities, Assets Backed</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_SecuritiesAssetsBackedMember" xlink:href="bcs-20260630.xsd#bcs_SecuritiesAssetsBackedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_SecuritiesAssetsBackedMember" xlink:to="lab_bcs_SecuritiesAssetsBackedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CapitalRequirementsAxis_019edf59-c190-7531-91d2-1236e02aec16_terseLabel_en-US" xlink:label="lab_ifrs-full_CapitalRequirementsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital requirements [axis]</link:label>
    <link:label id="lab_ifrs-full_CapitalRequirementsAxis_label_en-US" xlink:label="lab_ifrs-full_CapitalRequirementsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital requirements [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CapitalRequirementsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CapitalRequirementsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CapitalRequirementsAxis" xlink:to="lab_ifrs-full_CapitalRequirementsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssets_019edf59-c225-771f-83ca-08b4d9f0a410_verboseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssets" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Loans and advances</link:label>
    <link:label id="lab_ifrs-full_FinancialAssets_019edf59-c225-7da1-b351-a32b0a4a1d61_periodStartLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssets" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Opening balance</link:label>
    <link:label id="lab_ifrs-full_FinancialAssets_019edf59-c225-7691-a6e7-30e707835915_periodEndLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssets" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Closing balance</link:label>
    <link:label id="lab_ifrs-full_FinancialAssets_019edf59-c225-7338-b46d-fc56412e9d9e_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Financial assets</link:label>
    <link:label id="lab_ifrs-full_FinancialAssets_019edf59-c225-7f6a-9d0d-33683cd4d00b_negatedLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssets" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Financial assets</link:label>
    <link:label id="lab_ifrs-full_FinancialAssets_019edf59-c225-7ff0-9186-7b8789ebd531_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets</link:label>
    <link:label id="lab_ifrs-full_FinancialAssets_label_en-US" xlink:label="lab_ifrs-full_FinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssets" xlink:to="lab_ifrs-full_FinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_PerformanceCosts_019edf59-c225-7c2b-b757-117c032a54ad_totalLabel_en-US" xlink:label="lab_bcs_PerformanceCosts" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Performance costs</link:label>
    <link:label id="lab_bcs_PerformanceCosts_label_en-US" xlink:label="lab_bcs_PerformanceCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Performance Costs</link:label>
    <link:label id="lab_bcs_PerformanceCosts_documentation_en-US" xlink:label="lab_bcs_PerformanceCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of costs relating to performance.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_PerformanceCosts" xlink:href="bcs-20260630.xsd#bcs_PerformanceCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_PerformanceCosts" xlink:to="lab_bcs_PerformanceCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_BarclaysBankPlcMember_019edf59-c225-7fec-9cca-1fb264b25e24_terseLabel_en-US" xlink:label="lab_bcs_BarclaysBankPlcMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Barclays Bank PLC</link:label>
    <link:label id="lab_bcs_BarclaysBankPlcMember_label_en-US" xlink:label="lab_bcs_BarclaysBankPlcMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Barclays Bank PLC [member]</link:label>
    <link:label id="lab_bcs_BarclaysBankPlcMember_documentation_en-US" xlink:label="lab_bcs_BarclaysBankPlcMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the Barclays Bank PLC subsidiary.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_BarclaysBankPlcMember" xlink:href="bcs-20260630.xsd#bcs_BarclaysBankPlcMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_BarclaysBankPlcMember" xlink:to="lab_bcs_BarclaysBankPlcMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AmendmentFlag_019edf59-c225-74bd-9c77-133f6ce4fc60_terseLabel_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amendment Flag</link:label>
    <link:label id="lab_dei_AmendmentFlag_label_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amendment Flag</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AmendmentFlag" xlink:to="lab_dei_AmendmentFlag" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComponentsOfEquityDomain_019edf59-c18f-7d4e-945d-9f565e870c1c_terseLabel_en-US" xlink:label="lab_ifrs-full_ComponentsOfEquityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Components of equity [domain]</link:label>
    <link:label id="lab_ifrs-full_ComponentsOfEquityDomain_label_en-US" xlink:label="lab_ifrs-full_ComponentsOfEquityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Components of equity [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfEquityDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComponentsOfEquityDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComponentsOfEquityDomain" xlink:to="lab_ifrs-full_ComponentsOfEquityDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExpenseOfRestructuringActivities_019edf59-c0d6-76f9-80a7-f1a6cd85634d_terseLabel_en-US" xlink:label="lab_ifrs-full_ExpenseOfRestructuringActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Redundancy and restructuring</link:label>
    <link:label id="lab_ifrs-full_ExpenseOfRestructuringActivities_label_en-US" xlink:label="lab_ifrs-full_ExpenseOfRestructuringActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expense of restructuring activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExpenseOfRestructuringActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExpenseOfRestructuringActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpenseOfRestructuringActivities" xlink:to="lab_ifrs-full_ExpenseOfRestructuringActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_UncollateralisedDerivativeFundingMember_019edf59-c225-7410-bd13-1dfe1b4f939b_terseLabel_en-US" xlink:label="lab_bcs_UncollateralisedDerivativeFundingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Uncollateralised derivative funding</link:label>
    <link:label id="lab_bcs_UncollateralisedDerivativeFundingMember_label_en-US" xlink:label="lab_bcs_UncollateralisedDerivativeFundingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Uncollateralised Derivative Funding [Member]</link:label>
    <link:label id="lab_bcs_UncollateralisedDerivativeFundingMember_documentation_en-US" xlink:label="lab_bcs_UncollateralisedDerivativeFundingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for uncollateralised derivative funding. This funding fair value adjustment accounts for the impact of incorporating the cost of funding into the valuation of uncollateralised and partially collateralised derivative portfolios and collateralised derivatives where the terms of the agreement do not allow the rehypothecation of collateral received.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_UncollateralisedDerivativeFundingMember" xlink:href="bcs-20260630.xsd#bcs_UncollateralisedDerivativeFundingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_UncollateralisedDerivativeFundingMember" xlink:to="lab_bcs_UncollateralisedDerivativeFundingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DividendsPaid_019edf59-c18f-78d2-9af7-49f2a0f712fc_negatedLabel_en-US" xlink:label="lab_ifrs-full_DividendsPaid" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Dividends paid</link:label>
    <link:label id="lab_ifrs-full_DividendsPaid_label_en-US" xlink:label="lab_ifrs-full_DividendsPaid" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends recognised as distributions to owners</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DividendsPaid" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DividendsPaid"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DividendsPaid" xlink:to="lab_ifrs-full_DividendsPaid" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems_019edf59-c0d6-74b4-b995-c0ed143305d2_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of operating segments [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of operating segments [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeAbstract_019eefda-d479-7f7a-9648-06eca1764ea1_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value through other comprehensive income reserve</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeAbstract_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets measured at fair value through other comprehensive income [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeAbstract" xlink:to="lab_ifrs-full_FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_EmployeeCompensationBonusExpense_019edf59-c18f-7592-9f8a-2cfc55b394a9_terseLabel_en-US" xlink:label="lab_bcs_EmployeeCompensationBonusExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Upfront bonus charge</link:label>
    <link:label id="lab_bcs_EmployeeCompensationBonusExpense_label_en-US" xlink:label="lab_bcs_EmployeeCompensationBonusExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Compensation, Bonus Expense</link:label>
    <link:label id="lab_bcs_EmployeeCompensationBonusExpense_documentation_en-US" xlink:label="lab_bcs_EmployeeCompensationBonusExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of costs relating to current year bonus charge.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_EmployeeCompensationBonusExpense" xlink:href="bcs-20260630.xsd#bcs_EmployeeCompensationBonusExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_EmployeeCompensationBonusExpense" xlink:to="lab_bcs_EmployeeCompensationBonusExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_FederalFundsRateMember_019edf59-c190-729f-ae04-f35b80882300_terseLabel_en-US" xlink:label="lab_bcs_FederalFundsRateMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Federal funds rate</link:label>
    <link:label id="lab_bcs_FederalFundsRateMember_label_en-US" xlink:label="lab_bcs_FederalFundsRateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Federal Funds Rate [Member]</link:label>
    <link:label id="lab_bcs_FederalFundsRateMember_documentation_en-US" xlink:label="lab_bcs_FederalFundsRateMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Federal funds rate.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_FederalFundsRateMember" xlink:href="bcs-20260630.xsd#bcs_FederalFundsRateMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_FederalFundsRateMember" xlink:to="lab_bcs_FederalFundsRateMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageMember_019edf59-c18f-7117-868f-e227232471b8_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Average</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageMember_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageMember" xlink:to="lab_ifrs-full_WeightedAverageMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfSharesIssued_019edf59-c225-7fac-b905-ee54e257e412_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of shares issued (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfSharesIssued_label_en-US" xlink:label="lab_ifrs-full_NumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of shares issued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfSharesIssued" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfSharesIssued"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfSharesIssued" xlink:to="lab_ifrs-full_NumberOfSharesIssued" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory_019edf59-c18f-7fda-af2b-af2745ba31dd_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segmental reporting</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of entity's operating segments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTaxAssets_019edf59-c190-77b9-8ee3-34913a53d1cd_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current tax assets</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxAssets_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current tax assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentTaxAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxAssets" xlink:to="lab_ifrs-full_CurrentTaxAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RiskExposuresDomain_019edf59-c225-7f57-a733-850683af0e2b_terseLabel_en-US" xlink:label="lab_ifrs-full_RiskExposuresDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Risk exposures [member]</link:label>
    <link:label id="lab_ifrs-full_RiskExposuresDomain_label_en-US" xlink:label="lab_ifrs-full_RiskExposuresDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Risk variables [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RiskExposuresDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RiskExposuresDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RiskExposuresDomain" xlink:to="lab_ifrs-full_RiskExposuresDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MethodOfAssessmentOfExpectedCreditLossesDomain_019edf59-c18f-7708-b9e2-98d932166d8a_terseLabel_en-US" xlink:label="lab_ifrs-full_MethodOfAssessmentOfExpectedCreditLossesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Method of assessment of expected credit losses [domain]</link:label>
    <link:label id="lab_ifrs-full_MethodOfAssessmentOfExpectedCreditLossesDomain_label_en-US" xlink:label="lab_ifrs-full_MethodOfAssessmentOfExpectedCreditLossesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Method of assessment of expected credit losses [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MethodOfAssessmentOfExpectedCreditLossesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MethodOfAssessmentOfExpectedCreditLossesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MethodOfAssessmentOfExpectedCreditLossesDomain" xlink:to="lab_ifrs-full_MethodOfAssessmentOfExpectedCreditLossesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_NumberOfLawsuitsDismissed_019edf59-c18f-7779-8c66-f7db835c3037_terseLabel_en-US" xlink:label="lab_bcs_NumberOfLawsuitsDismissed" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of lawsuits dismissed</link:label>
    <link:label id="lab_bcs_NumberOfLawsuitsDismissed_label_en-US" xlink:label="lab_bcs_NumberOfLawsuitsDismissed" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Lawsuits Dismissed</link:label>
    <link:label id="lab_bcs_NumberOfLawsuitsDismissed_documentation_en-US" xlink:label="lab_bcs_NumberOfLawsuitsDismissed" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Lawsuits Dismissed</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_NumberOfLawsuitsDismissed" xlink:href="bcs-20260630.xsd#bcs_NumberOfLawsuitsDismissed"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_NumberOfLawsuitsDismissed" xlink:to="lab_bcs_NumberOfLawsuitsDismissed" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RangeDomain_019edf59-c18f-724a-b91f-de93bff62b09_terseLabel_en-US" xlink:label="lab_ifrs-full_RangeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Range [domain]</link:label>
    <link:label id="lab_ifrs-full_RangeDomain_label_en-US" xlink:label="lab_ifrs-full_RangeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Range [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RangeDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RangeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RangeDomain" xlink:to="lab_ifrs-full_RangeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_ImpairmentAllowanceTotalMember_019edf59-c18f-7f52-b561-f74067601d95_terseLabel_en-US" xlink:label="lab_bcs_ImpairmentAllowanceTotalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total impairment allowance</link:label>
    <link:label id="lab_bcs_ImpairmentAllowanceTotalMember_label_en-US" xlink:label="lab_bcs_ImpairmentAllowanceTotalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment Allowance, Total [Member]</link:label>
    <link:label id="lab_bcs_ImpairmentAllowanceTotalMember_documentation_en-US" xlink:label="lab_bcs_ImpairmentAllowanceTotalMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Impairment Allowance, Total</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_ImpairmentAllowanceTotalMember" xlink:href="bcs-20260630.xsd#bcs_ImpairmentAllowanceTotalMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_ImpairmentAllowanceTotalMember" xlink:to="lab_bcs_ImpairmentAllowanceTotalMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfContingentLiabilitiesAxis_019edf59-c18f-75db-a999-941b3e6ff1d8_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of contingent liabilities [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfContingentLiabilitiesAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of contingent liabilities [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfContingentLiabilitiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:to="lab_ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DisclosureOfAnalysisOfCreditExposuresUsingAnExternalCreditGradingSystemTextBlock_019edf59-c18f-75f6-bf8f-912ef9df097d_terseLabel_en-US" xlink:label="lab_bcs_DisclosureOfAnalysisOfCreditExposuresUsingAnExternalCreditGradingSystemTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of macroeconomic variables</link:label>
    <link:label id="lab_bcs_DisclosureOfAnalysisOfCreditExposuresUsingAnExternalCreditGradingSystemTextBlock_label_en-US" xlink:label="lab_bcs_DisclosureOfAnalysisOfCreditExposuresUsingAnExternalCreditGradingSystemTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Analysis Of Credit Exposures Using An External Credit Grading System [Text Block]</link:label>
    <link:label id="lab_bcs_DisclosureOfAnalysisOfCreditExposuresUsingAnExternalCreditGradingSystemTextBlock_documentation_en-US" xlink:label="lab_bcs_DisclosureOfAnalysisOfCreditExposuresUsingAnExternalCreditGradingSystemTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Analysis Of Credit Exposures Using An External Credit Grading System</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DisclosureOfAnalysisOfCreditExposuresUsingAnExternalCreditGradingSystemTextBlock" xlink:href="bcs-20260630.xsd#bcs_DisclosureOfAnalysisOfCreditExposuresUsingAnExternalCreditGradingSystemTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_DisclosureOfAnalysisOfCreditExposuresUsingAnExternalCreditGradingSystemTextBlock" xlink:to="lab_bcs_DisclosureOfAnalysisOfCreditExposuresUsingAnExternalCreditGradingSystemTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RetainedEarningsMember_019edf59-c225-7ec3-acd2-268ab2e93efa_terseLabel_en-US" xlink:label="lab_ifrs-full_RetainedEarningsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retained earnings</link:label>
    <link:label id="lab_ifrs-full_RetainedEarningsMember_label_en-US" xlink:label="lab_ifrs-full_RetainedEarningsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained earnings [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RetainedEarningsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RetainedEarningsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RetainedEarningsMember" xlink:to="lab_ifrs-full_RetainedEarningsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_PostModelAdjustmentMember_019edf59-c18f-7ed2-a9d0-58069c71d50a_terseLabel_en-US" xlink:label="lab_bcs_PostModelAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Post-model adjustment</link:label>
    <link:label id="lab_bcs_PostModelAdjustmentMember_label_en-US" xlink:label="lab_bcs_PostModelAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Post-Model Adjustment [Member]</link:label>
    <link:label id="lab_bcs_PostModelAdjustmentMember_documentation_en-US" xlink:label="lab_bcs_PostModelAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Post-Model Adjustment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_PostModelAdjustmentMember" xlink:href="bcs-20260630.xsd#bcs_PostModelAdjustmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_PostModelAdjustmentMember" xlink:to="lab_bcs_PostModelAdjustmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember_019edf59-c18f-7443-8319-441123753598_verboseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">2027</link:label>
    <link:label id="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than one year and not later than two years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:to="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RecurringFairValueMeasurementMember_019edf59-c0d6-71f4-8b0c-2d2473b22349_terseLabel_en-US" xlink:label="lab_ifrs-full_RecurringFairValueMeasurementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Recurring fair value measurement</link:label>
    <link:label id="lab_ifrs-full_RecurringFairValueMeasurementMember_label_en-US" xlink:label="lab_ifrs-full_RecurringFairValueMeasurementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Recurring fair value measurement [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RecurringFairValueMeasurementMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RecurringFairValueMeasurementMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RecurringFairValueMeasurementMember" xlink:to="lab_ifrs-full_RecurringFairValueMeasurementMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfContingentLiabilitiesTable_019edf59-c18f-7c41-9af8-e954ee50e85f_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfContingentLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of contingent liabilities [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfContingentLiabilitiesTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfContingentLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of contingent liabilities [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfContingentLiabilitiesTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfContingentLiabilitiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfContingentLiabilitiesTable" xlink:to="lab_ifrs-full_DisclosureOfContingentLiabilitiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember_019edf59-c225-7a07-8000-6f0b8ec79d74_terseLabel_en-US" xlink:label="lab_ifrs-full_AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets and liabilities not classified as held for sale</link:label>
    <link:label id="lab_ifrs-full_AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember_label_en-US" xlink:label="lab_ifrs-full_AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets and liabilities not classified as held for sale [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember" xlink:to="lab_ifrs-full_AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ScenarioUnspecifiedDomain_019edf59-c190-7855-8952-2ee3b92e2c1b_terseLabel_en-US" xlink:label="lab_srt_ScenarioUnspecifiedDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Scenario [Domain]</link:label>
    <link:label id="lab_srt_ScenarioUnspecifiedDomain_label_en-US" xlink:label="lab_srt_ScenarioUnspecifiedDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Scenario [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ScenarioUnspecifiedDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ScenarioUnspecifiedDomain" xlink:to="lab_srt_ScenarioUnspecifiedDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LoansAndAdvancesToBanksAtAmortisedCost_019edf59-c225-7e95-9436-360ab92c3d68_terseLabel_en-US" xlink:label="lab_ifrs-full_LoansAndAdvancesToBanksAtAmortisedCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and advances at amortised cost to banks</link:label>
    <link:label id="lab_ifrs-full_LoansAndAdvancesToBanksAtAmortisedCost_label_en-US" xlink:label="lab_ifrs-full_LoansAndAdvancesToBanksAtAmortisedCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans and advances to banks at amortised cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LoansAndAdvancesToBanksAtAmortisedCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LoansAndAdvancesToBanksAtAmortisedCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LoansAndAdvancesToBanksAtAmortisedCost" xlink:to="lab_ifrs-full_LoansAndAdvancesToBanksAtAmortisedCost" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CapitalRequirementsDomain_019edf59-c18f-7cd4-999a-cc1a2f2f2ef9_terseLabel_en-US" xlink:label="lab_ifrs-full_CapitalRequirementsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital requirements [domain]</link:label>
    <link:label id="lab_ifrs-full_CapitalRequirementsDomain_label_en-US" xlink:label="lab_ifrs-full_CapitalRequirementsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital requirements [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CapitalRequirementsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CapitalRequirementsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CapitalRequirementsDomain" xlink:to="lab_ifrs-full_CapitalRequirementsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_FinancialAssetsAtFairValueThroughProfitOrLossCategoryOtherIncomeMember_019edf59-c190-76de-93b6-85680eb789c2_terseLabel_en-US" xlink:label="lab_bcs_FinancialAssetsAtFairValueThroughProfitOrLossCategoryOtherIncomeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets at fair value through profit or loss, category other income</link:label>
    <link:label id="lab_bcs_FinancialAssetsAtFairValueThroughProfitOrLossCategoryOtherIncomeMember_label_en-US" xlink:label="lab_bcs_FinancialAssetsAtFairValueThroughProfitOrLossCategoryOtherIncomeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Assets At Fair Value Through Profit Or Loss, Category Other Income [Member]</link:label>
    <link:label id="lab_bcs_FinancialAssetsAtFairValueThroughProfitOrLossCategoryOtherIncomeMember_documentation_en-US" xlink:label="lab_bcs_FinancialAssetsAtFairValueThroughProfitOrLossCategoryOtherIncomeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the financial assets at fair value through profit or loss category, located in other income. [Refer: Financial liabilities at fair value through profit or loss]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_FinancialAssetsAtFairValueThroughProfitOrLossCategoryOtherIncomeMember" xlink:href="bcs-20260630.xsd#bcs_FinancialAssetsAtFairValueThroughProfitOrLossCategoryOtherIncomeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_FinancialAssetsAtFairValueThroughProfitOrLossCategoryOtherIncomeMember" xlink:to="lab_bcs_FinancialAssetsAtFairValueThroughProfitOrLossCategoryOtherIncomeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DepreciationAndAmortisationExpense_019edf59-c18f-7f47-a6f1-9b5bc3755d7f_terseLabel_en-US" xlink:label="lab_ifrs-full_DepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortisation</link:label>
    <link:label id="lab_ifrs-full_DepreciationAndAmortisationExpense_label_en-US" xlink:label="lab_ifrs-full_DepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation and amortisation expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepreciationAndAmortisationExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DepreciationAndAmortisationExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepreciationAndAmortisationExpense" xlink:to="lab_ifrs-full_DepreciationAndAmortisationExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_GainLossFromDisposalOfNonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations_019eefc6-68e1-7dd3-b363-bdf7ccd3d603_terseLabel_en-US" xlink:label="lab_bcs_GainLossFromDisposalOfNonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gain on exit of American Airlines partnership</link:label>
    <link:label id="lab_bcs_GainLossFromDisposalOfNonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations_label_en-US" xlink:label="lab_bcs_GainLossFromDisposalOfNonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain (Loss) From Disposal of Non-Current Assets or Disposal Groups Classified as Held For Sale and Discontinued Operations</link:label>
    <link:label id="lab_bcs_GainLossFromDisposalOfNonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations_documentation_en-US" xlink:label="lab_bcs_GainLossFromDisposalOfNonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Gain (Loss) From Disposal of Non-Current Assets or Disposal Groups Classified as Held For Sale and Discontinued Operations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_GainLossFromDisposalOfNonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations" xlink:href="bcs-20260630.xsd#bcs_GainLossFromDisposalOfNonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_GainLossFromDisposalOfNonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations" xlink:to="lab_bcs_GainLossFromDisposalOfNonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DecreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInProfitOrLossAfterTaxAssetsLiabilities_019edf59-c225-7bcf-add0-f33a64721ace_negatedTerseLabel_en-US" xlink:label="lab_bcs_DecreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInProfitOrLossAfterTaxAssetsLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Unfavorable changes, Income Statement</link:label>
    <link:label id="lab_bcs_DecreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInProfitOrLossAfterTaxAssetsLiabilities_label_en-US" xlink:label="lab_bcs_DecreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInProfitOrLossAfterTaxAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease In Fair Value Measurement Due To Change In Multiple Unobservable Inputs To Reflect Reasonably Possible Alternative Assumptions, Recognised In Profit Or Loss, After Tax, Assets (Liabilities)</link:label>
    <link:label id="lab_bcs_DecreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInProfitOrLossAfterTaxAssetsLiabilities_documentation_en-US" xlink:label="lab_bcs_DecreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInProfitOrLossAfterTaxAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of decrease in the fair value measurement of assets (liabilities), recognised in profit or loss after tax, due to a change in multiple unobservable inputs to reflect reasonably possible alternative assumptions. [Refer: Tax income (expense)]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DecreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInProfitOrLossAfterTaxAssetsLiabilities" xlink:href="bcs-20260630.xsd#bcs_DecreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInProfitOrLossAfterTaxAssetsLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_DecreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInProfitOrLossAfterTaxAssetsLiabilities" xlink:to="lab_bcs_DecreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInProfitOrLossAfterTaxAssetsLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LiabilitiesAbstract_019edf59-c18f-7741-82c1-ca47f4c600ca_terseLabel_en-US" xlink:label="lab_ifrs-full_LiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities</link:label>
    <link:label id="lab_ifrs-full_LiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_LiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilitiesAbstract" xlink:to="lab_ifrs-full_LiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExpectedCreditLossRate_019edf59-c225-7412-84fb-5b2ccb05bb34_terseLabel_en-US" xlink:label="lab_ifrs-full_ExpectedCreditLossRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected credit loss rate</link:label>
    <link:label id="lab_ifrs-full_ExpectedCreditLossRate_label_en-US" xlink:label="lab_ifrs-full_ExpectedCreditLossRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected credit loss rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExpectedCreditLossRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExpectedCreditLossRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpectedCreditLossRate" xlink:to="lab_ifrs-full_ExpectedCreditLossRate" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_TransfersOutOfLevel3OfFairValueHierarchyAssetsLiabilitiesNet_019edf59-c225-7f6b-9e35-58dab6d35d21_negatedTerseLabel_en-US" xlink:label="lab_bcs_TransfersOutOfLevel3OfFairValueHierarchyAssetsLiabilitiesNet" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Transfers out of Level 3 of fair value hierarchy, assets (liabilities) net</link:label>
    <link:label id="lab_bcs_TransfersOutOfLevel3OfFairValueHierarchyAssetsLiabilitiesNet_label_en-US" xlink:label="lab_bcs_TransfersOutOfLevel3OfFairValueHierarchyAssetsLiabilitiesNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transfers Out Of Level 3 Of Fair Value Hierarchy, Assets (Liabilities), Net</link:label>
    <link:label id="lab_bcs_TransfersOutOfLevel3OfFairValueHierarchyAssetsLiabilitiesNet_documentation_en-US" xlink:label="lab_bcs_TransfersOutOfLevel3OfFairValueHierarchyAssetsLiabilitiesNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of transfers of assets less liabilities out of Level 3 of the fair value hierarchy. [Refer: Level 3 of fair value hierarchy [member]]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_TransfersOutOfLevel3OfFairValueHierarchyAssetsLiabilitiesNet" xlink:href="bcs-20260630.xsd#bcs_TransfersOutOfLevel3OfFairValueHierarchyAssetsLiabilitiesNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_TransfersOutOfLevel3OfFairValueHierarchyAssetsLiabilitiesNet" xlink:to="lab_bcs_TransfersOutOfLevel3OfFairValueHierarchyAssetsLiabilitiesNet" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ConsolidatedEntitiesAxis_019edf59-c190-774e-83e0-4a631c225573_terseLabel_en-US" xlink:label="lab_srt_ConsolidatedEntitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consolidated Entities [Axis]</link:label>
    <link:label id="lab_srt_ConsolidatedEntitiesAxis_label_en-US" xlink:label="lab_srt_ConsolidatedEntitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidated Entities [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ConsolidatedEntitiesAxis" xlink:to="lab_srt_ConsolidatedEntitiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_SpecificBasesMember_019edf59-c225-7c2e-9ffc-bb078697f5b8_terseLabel_en-US" xlink:label="lab_bcs_SpecificBasesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Specific bases</link:label>
    <link:label id="lab_bcs_SpecificBasesMember_label_en-US" xlink:label="lab_bcs_SpecificBasesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Specific Bases [Member]</link:label>
    <link:label id="lab_bcs_SpecificBasesMember_documentation_en-US" xlink:label="lab_bcs_SpecificBasesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for macroeconomic variables used in the calculation of ECL based on specific bases.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_SpecificBasesMember" xlink:href="bcs-20260630.xsd#bcs_SpecificBasesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_SpecificBasesMember" xlink:to="lab_bcs_SpecificBasesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_NetAssetsLiabilitiesAtFairValueThroughProfitOrLossCategoryTradingIncomeMember_019edf59-c18f-750e-a8e5-009c58ff6a3f_terseLabel_en-US" xlink:label="lab_bcs_NetAssetsLiabilitiesAtFairValueThroughProfitOrLossCategoryTradingIncomeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net assets (liabilities) at fair value through profit or loss, category trading income</link:label>
    <link:label id="lab_bcs_NetAssetsLiabilitiesAtFairValueThroughProfitOrLossCategoryTradingIncomeMember_label_en-US" xlink:label="lab_bcs_NetAssetsLiabilitiesAtFairValueThroughProfitOrLossCategoryTradingIncomeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Assets (Liabilities) At Fair Value Through Profit Or Loss, Category Trading Income [Member]</link:label>
    <link:label id="lab_bcs_NetAssetsLiabilitiesAtFairValueThroughProfitOrLossCategoryTradingIncomeMember_documentation_en-US" xlink:label="lab_bcs_NetAssetsLiabilitiesAtFairValueThroughProfitOrLossCategoryTradingIncomeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the net assets (liabilities) at fair value through profit or loss category, located in trading income. [Refer: Financial liabilities at fair value through profit or loss]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_NetAssetsLiabilitiesAtFairValueThroughProfitOrLossCategoryTradingIncomeMember" xlink:href="bcs-20260630.xsd#bcs_NetAssetsLiabilitiesAtFairValueThroughProfitOrLossCategoryTradingIncomeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_NetAssetsLiabilitiesAtFairValueThroughProfitOrLossCategoryTradingIncomeMember" xlink:to="lab_bcs_NetAssetsLiabilitiesAtFairValueThroughProfitOrLossCategoryTradingIncomeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_LoanLossRate_019edf59-c18f-74ce-8e2c-ed9fa0dce29d_terseLabel_en-US" xlink:label="lab_bcs_LoanLossRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loan loss rate</link:label>
    <link:label id="lab_bcs_LoanLossRate_label_en-US" xlink:label="lab_bcs_LoanLossRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loan Loss Rate</link:label>
    <link:label id="lab_bcs_LoanLossRate_documentation_en-US" xlink:label="lab_bcs_LoanLossRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The principal on loans written off as uncollectible, represented as a percentage of the average unpaid balance on outstanding loan during the period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_LoanLossRate" xlink:href="bcs-20260630.xsd#bcs_LoanLossRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_LoanLossRate" xlink:to="lab_bcs_LoanLossRate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialAssetsDomain_019edf59-c18f-7418-ba59-8a8a4dc6ba0e_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Categories of financial assets [domain]</link:label>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialAssetsDomain_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Categories of financial assets [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialAssetsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:to="lab_ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_OtherRetailMember_019edf59-c225-7c40-9ea2-8b3fb9374dc5_terseLabel_en-US" xlink:label="lab_bcs_OtherRetailMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retail other</link:label>
    <link:label id="lab_bcs_OtherRetailMember_label_en-US" xlink:label="lab_bcs_OtherRetailMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other, Retail [Member]</link:label>
    <link:label id="lab_bcs_OtherRetailMember_documentation_en-US" xlink:label="lab_bcs_OtherRetailMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other, Retail</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_OtherRetailMember" xlink:href="bcs-20260630.xsd#bcs_OtherRetailMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_OtherRetailMember" xlink:to="lab_bcs_OtherRetailMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProvisionsAbstract_019edf59-c225-7feb-9233-ad86dd1b65ed_terseLabel_en-US" xlink:label="lab_ifrs-full_ProvisionsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions [abstract]</link:label>
    <link:label id="lab_ifrs-full_ProvisionsAbstract_label_en-US" xlink:label="lab_ifrs-full_ProvisionsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provisions [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProvisionsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProvisionsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProvisionsAbstract" xlink:to="lab_ifrs-full_ProvisionsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_OtherFeesMember_019edf59-c18f-7032-bf29-fc18ace84d70_terseLabel_en-US" xlink:label="lab_bcs_OtherFeesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_bcs_OtherFeesMember_label_en-US" xlink:label="lab_bcs_OtherFeesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Fees [Member]</link:label>
    <link:label id="lab_bcs_OtherFeesMember_documentation_en-US" xlink:label="lab_bcs_OtherFeesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for other fees, not separately disclosed. Others fees includes the intercompany balances earned from different group entities; of which income earned from BX is included under Head Office.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_OtherFeesMember" xlink:href="bcs-20260630.xsd#bcs_OtherFeesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_OtherFeesMember" xlink:to="lab_bcs_OtherFeesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CarryingAmountMember_019edf59-c225-7ee5-8ed0-0e5c7d645fc2_terseLabel_en-US" xlink:label="lab_ifrs-full_CarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Carrying amount</link:label>
    <link:label id="lab_ifrs-full_CarryingAmountMember_label_en-US" xlink:label="lab_ifrs-full_CarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Carrying amount [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CarryingAmountMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CarryingAmountMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CarryingAmountMember" xlink:to="lab_ifrs-full_CarryingAmountMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDividendsExplanatory_019edf59-c18f-7c01-92f5-f868da60ec9d_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDividendsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividends on ordinary shares</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDividendsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDividendsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of dividends [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDividendsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDividendsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDividendsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDividendsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_A5YearAveragesMember_019edf59-c18f-7779-b8c9-14bd4aaae1b4_terseLabel_en-US" xlink:label="lab_bcs_A5YearAveragesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">5-year averages</link:label>
    <link:label id="lab_bcs_A5YearAveragesMember_label_en-US" xlink:label="lab_bcs_A5YearAveragesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">5-Year Averages [Member]</link:label>
    <link:label id="lab_bcs_A5YearAveragesMember_documentation_en-US" xlink:label="lab_bcs_A5YearAveragesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for macroeconomic variables used in the calculation of ECL based on 5-year averages.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_A5YearAveragesMember" xlink:href="bcs-20260630.xsd#bcs_A5YearAveragesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_A5YearAveragesMember" xlink:to="lab_bcs_A5YearAveragesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_LoansAndAdvancesAtAmortisedCostIncludingDebtSecuritiesMember_019edf59-c190-760d-9d04-3873ceaeb44d_terseLabel_en-US" xlink:label="lab_bcs_LoansAndAdvancesAtAmortisedCostIncludingDebtSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and advances at amortised cost including debt securities</link:label>
    <link:label id="lab_bcs_LoansAndAdvancesAtAmortisedCostIncludingDebtSecuritiesMember_label_en-US" xlink:label="lab_bcs_LoansAndAdvancesAtAmortisedCostIncludingDebtSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans And Advances At Amortised Cost, Including Debt Securities [Member]</link:label>
    <link:label id="lab_bcs_LoansAndAdvancesAtAmortisedCostIncludingDebtSecuritiesMember_documentation_en-US" xlink:label="lab_bcs_LoansAndAdvancesAtAmortisedCostIncludingDebtSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loans And Advances At Amortised Cost, Including Debt Securities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_LoansAndAdvancesAtAmortisedCostIncludingDebtSecuritiesMember" xlink:href="bcs-20260630.xsd#bcs_LoansAndAdvancesAtAmortisedCostIncludingDebtSecuritiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_LoansAndAdvancesAtAmortisedCostIncludingDebtSecuritiesMember" xlink:to="lab_bcs_LoansAndAdvancesAtAmortisedCostIncludingDebtSecuritiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_BarclaysUKCorporateBankMember_019edf59-c18f-7fcb-a3ff-0a8160b4bf1b_terseLabel_en-US" xlink:label="lab_bcs_BarclaysUKCorporateBankMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Barclays UK Corporate Bank</link:label>
    <link:label id="lab_bcs_BarclaysUKCorporateBankMember_label_en-US" xlink:label="lab_bcs_BarclaysUKCorporateBankMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Barclays UK Corporate Bank [Member]</link:label>
    <link:label id="lab_bcs_BarclaysUKCorporateBankMember_documentation_en-US" xlink:label="lab_bcs_BarclaysUKCorporateBankMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Barclays UK Corporate Bank</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_BarclaysUKCorporateBankMember" xlink:href="bcs-20260630.xsd#bcs_BarclaysUKCorporateBankMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_BarclaysUKCorporateBankMember" xlink:to="lab_bcs_BarclaysUKCorporateBankMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NotionalAmount_019edf59-c18f-79ec-88a6-ed3618918c2b_terseLabel_en-US" xlink:label="lab_ifrs-full_NotionalAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notional amount</link:label>
    <link:label id="lab_ifrs-full_NotionalAmount_019edf59-c18f-7372-97c2-39f27b25c029_verboseLabel_en-US" xlink:label="lab_ifrs-full_NotionalAmount" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Contract notional amount</link:label>
    <link:label id="lab_ifrs-full_NotionalAmount_label_en-US" xlink:label="lab_ifrs-full_NotionalAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notional amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NotionalAmount" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NotionalAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NotionalAmount" xlink:to="lab_ifrs-full_NotionalAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxDueToImpairment_019edfa2-5b17-7ce8-85f6-2ec9445d73e1_negatedTerseLabel_en-US" xlink:label="lab_bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxDueToImpairment" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Net release of impairment</link:label>
    <link:label id="lab_bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxDueToImpairment_label_en-US" xlink:label="lab_bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxDueToImpairment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reclassification Adjustments On Financial Assets Measured At Fair Value Through Other Comprehensive Income, Before Tax, Due To Impairment</link:label>
    <link:label id="lab_bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxDueToImpairment_documentation_en-US" xlink:label="lab_bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxDueToImpairment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of reclassification adjustments due to impairment of financial assets measured at fair value through other comprehensive income, before tax. Reclassification adjustments are amounts reclassified to profit (loss) in the current period that were recognised in other comprehensive income in the current or previous periods. [Refer: Financial assets measured at fair value through other comprehensive income; Other comprehensive income]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxDueToImpairment" xlink:href="bcs-20260630.xsd#bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxDueToImpairment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxDueToImpairment" xlink:to="lab_bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxDueToImpairment" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_CivilActionsInRespectOfTheUSAntiTerrorismActEDNYMember_019edf59-c18f-73e6-84d9-8d933ab5ff88_terseLabel_en-US" xlink:label="lab_bcs_CivilActionsInRespectOfTheUSAntiTerrorismActEDNYMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Civil actions in respect of the US Anti-Terrorism Act - EDNY</link:label>
    <link:label id="lab_bcs_CivilActionsInRespectOfTheUSAntiTerrorismActEDNYMember_label_en-US" xlink:label="lab_bcs_CivilActionsInRespectOfTheUSAntiTerrorismActEDNYMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Civil Actions In Respect Of The US Anti-Terrorism Act - EDNY [Member]</link:label>
    <link:label id="lab_bcs_CivilActionsInRespectOfTheUSAntiTerrorismActEDNYMember_documentation_en-US" xlink:label="lab_bcs_CivilActionsInRespectOfTheUSAntiTerrorismActEDNYMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Civil complaints against Barclays Bank PLC and other banks allege engagement in a conspiracy and violation of the US Anti-Terrorism Act (ATA).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_CivilActionsInRespectOfTheUSAntiTerrorismActEDNYMember" xlink:href="bcs-20260630.xsd#bcs_CivilActionsInRespectOfTheUSAntiTerrorismActEDNYMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_CivilActionsInRespectOfTheUSAntiTerrorismActEDNYMember" xlink:to="lab_bcs_CivilActionsInRespectOfTheUSAntiTerrorismActEDNYMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability_019edf59-c225-7121-9e61-db61f2fb5ac0_terseLabel_en-US" xlink:label="lab_ifrs-full_ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gains or losses on liabilities at fair value resulting from own credit</link:label>
    <link:label id="lab_ifrs-full_ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability_label_en-US" xlink:label="lab_ifrs-full_ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reserve of change in fair value of financial liability attributable to change in credit risk of liability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability" xlink:to="lab_ifrs-full_ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReserveOfCashFlowHedgesMember_019ef4f8-4222-74e6-89d0-4584eea9f2c1_verboseLabel_en-US" xlink:label="lab_ifrs-full_ReserveOfCashFlowHedgesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash flow hedging reserve</link:label>
    <link:label id="lab_ifrs-full_ReserveOfCashFlowHedgesMember_label_en-US" xlink:label="lab_ifrs-full_ReserveOfCashFlowHedgesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reserve of cash flow hedges [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReserveOfCashFlowHedgesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReserveOfCashFlowHedgesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReserveOfCashFlowHedgesMember" xlink:to="lab_ifrs-full_ReserveOfCashFlowHedgesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FeeAndCommissionIncomeExpenseAbstract_019edf59-c0d6-7733-a478-0985f0b9af27_terseLabel_en-US" xlink:label="lab_ifrs-full_FeeAndCommissionIncomeExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fee and commission income (expense) [abstract]</link:label>
    <link:label id="lab_ifrs-full_FeeAndCommissionIncomeExpenseAbstract_label_en-US" xlink:label="lab_ifrs-full_FeeAndCommissionIncomeExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fee and commission income (expense) [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FeeAndCommissionIncomeExpenseAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FeeAndCommissionIncomeExpenseAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FeeAndCommissionIncomeExpenseAbstract" xlink:to="lab_ifrs-full_FeeAndCommissionIncomeExpenseAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_LitigationSettlementsApprovedValue_019edf59-c190-7cd5-b402-3bacac2bc6bd_terseLabel_en-US" xlink:label="lab_bcs_LitigationSettlementsApprovedValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Litigation settlements approved, value</link:label>
    <link:label id="lab_bcs_LitigationSettlementsApprovedValue_label_en-US" xlink:label="lab_bcs_LitigationSettlementsApprovedValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Litigation Settlements Approved, Value</link:label>
    <link:label id="lab_bcs_LitigationSettlementsApprovedValue_documentation_en-US" xlink:label="lab_bcs_LitigationSettlementsApprovedValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of litigation settlements approved or agreed upon.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_LitigationSettlementsApprovedValue" xlink:href="bcs-20260630.xsd#bcs_LitigationSettlementsApprovedValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_LitigationSettlementsApprovedValue" xlink:to="lab_bcs_LitigationSettlementsApprovedValue" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_CouponsPaidOnOtherEquityInstruments_019edf59-c18f-7e79-90cd-f8e4ffc33440_verboseLabel_en-US" xlink:label="lab_bcs_CouponsPaidOnOtherEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other equity instruments coupon paid</link:label>
    <link:label id="lab_bcs_CouponsPaidOnOtherEquityInstruments_label_en-US" xlink:label="lab_bcs_CouponsPaidOnOtherEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Coupons Paid On Other Equity Instruments</link:label>
    <link:label id="lab_bcs_CouponsPaidOnOtherEquityInstruments_documentation_en-US" xlink:label="lab_bcs_CouponsPaidOnOtherEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of increase (decrease) in equity through other equity instruments coupons paid.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_CouponsPaidOnOtherEquityInstruments" xlink:href="bcs-20260630.xsd#bcs_CouponsPaidOnOtherEquityInstruments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_CouponsPaidOnOtherEquityInstruments" xlink:to="lab_bcs_CouponsPaidOnOtherEquityInstruments" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DownsideTwoMember_019edf59-c225-724c-acc4-3391963f4b40_terseLabel_en-US" xlink:label="lab_bcs_DownsideTwoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Downside 2</link:label>
    <link:label id="lab_bcs_DownsideTwoMember_label_en-US" xlink:label="lab_bcs_DownsideTwoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Downside 2 [member]</link:label>
    <link:label id="lab_bcs_DownsideTwoMember_documentation_en-US" xlink:label="lab_bcs_DownsideTwoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The downside 2 scenario. The adverse scenarios are calibrated to a similar severity to internal stress tests, whilst also considering IFRS 9 specific sensitivities and non-linearity. Downside 2 is benchmarked to the Bank of England's annual cyclical scenarios and to the most severe scenario from Moody's inventory, but is not designed to be the same. The Downside 2 scenario represents a severe global recession with substantial falls in both UK and US GDP. Unemployment in both markets rises towards 9% and there are substantial falls in asset prices including housing.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DownsideTwoMember" xlink:href="bcs-20260630.xsd#bcs_DownsideTwoMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_DownsideTwoMember" xlink:to="lab_bcs_DownsideTwoMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialInstrumentsNotCreditimpairedMember_019edf59-c18f-710f-8ddc-54b96df8c513_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialInstrumentsNotCreditimpairedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stage 2</link:label>
    <link:label id="lab_ifrs-full_FinancialInstrumentsNotCreditimpairedMember_label_en-US" xlink:label="lab_ifrs-full_FinancialInstrumentsNotCreditimpairedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial instruments not credit-impaired [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialInstrumentsNotCreditimpairedMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialInstrumentsNotCreditimpairedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialInstrumentsNotCreditimpairedMember" xlink:to="lab_ifrs-full_FinancialInstrumentsNotCreditimpairedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_WeightedExpectedCreditLossUpliftPercentage_019edf59-c18f-746b-93bd-7233b6d3d1b1_terseLabel_en-US" xlink:label="lab_bcs_WeightedExpectedCreditLossUpliftPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted expected credit loss, uplift percentage</link:label>
    <link:label id="lab_bcs_WeightedExpectedCreditLossUpliftPercentage_label_en-US" xlink:label="lab_bcs_WeightedExpectedCreditLossUpliftPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Expected Credit Loss, Uplift Percentage</link:label>
    <link:label id="lab_bcs_WeightedExpectedCreditLossUpliftPercentage_documentation_en-US" xlink:label="lab_bcs_WeightedExpectedCreditLossUpliftPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount (expressed as a percentage) of weighted expected credit lossuplift from the baseline expected credit loss.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_WeightedExpectedCreditLossUpliftPercentage" xlink:href="bcs-20260630.xsd#bcs_WeightedExpectedCreditLossUpliftPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_WeightedExpectedCreditLossUpliftPercentage" xlink:to="lab_bcs_WeightedExpectedCreditLossUpliftPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExchangeDifferencesOnTranslationAbstract_019eefd9-d6c7-721d-a4d9-c7d90d575870_terseLabel_en-US" xlink:label="lab_ifrs-full_ExchangeDifferencesOnTranslationAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Currency translation reserve</link:label>
    <link:label id="lab_ifrs-full_ExchangeDifferencesOnTranslationAbstract_label_en-US" xlink:label="lab_ifrs-full_ExchangeDifferencesOnTranslationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exchange differences on translation [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExchangeDifferencesOnTranslationAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExchangeDifferencesOnTranslationAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExchangeDifferencesOnTranslationAbstract" xlink:to="lab_ifrs-full_ExchangeDifferencesOnTranslationAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughAmountsRecognisedInProfitOrLossAggregateDifferenceBetweenFairValueAtInitialRecognitionAndAmountDeterminedUsingValuationTechniqueYetToBeRecognised_019edf59-c18f-7751-a1db-e2840ff491ff_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughAmountsRecognisedInProfitOrLossAggregateDifferenceBetweenFairValueAtInitialRecognitionAndAmountDeterminedUsingValuationTechniqueYetToBeRecognised" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortisation and releases, aggregate difference between fair value at initial recognition and transaction price yet to be recognised in profit or loss</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughAmountsRecognisedInProfitOrLossAggregateDifferenceBetweenFairValueAtInitialRecognitionAndAmountDeterminedUsingValuationTechniqueYetToBeRecognised_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughAmountsRecognisedInProfitOrLossAggregateDifferenceBetweenFairValueAtInitialRecognitionAndAmountDeterminedUsingValuationTechniqueYetToBeRecognised" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through amounts recognised in profit or loss, aggregate difference between fair value at initial recognition and transaction price yet to be recognised in profit or loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughAmountsRecognisedInProfitOrLossAggregateDifferenceBetweenFairValueAtInitialRecognitionAndAmountDeterminedUsingValuationTechniqueYetToBeRecognised" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughAmountsRecognisedInProfitOrLossAggregateDifferenceBetweenFairValueAtInitialRecognitionAndAmountDeterminedUsingValuationTechniqueYetToBeRecognised"/>
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    <link:label id="lab_ifrs-full_OtherFeeAndCommissionIncome_019edf59-c225-702a-9865-ba2e9d7b1159_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherFeeAndCommissionIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other non-contract fee income</link:label>
    <link:label id="lab_ifrs-full_OtherFeeAndCommissionIncome_label_en-US" xlink:label="lab_ifrs-full_OtherFeeAndCommissionIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other fee and commission income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherFeeAndCommissionIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherFeeAndCommissionIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherFeeAndCommissionIncome" xlink:to="lab_ifrs-full_OtherFeeAndCommissionIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DilutedEarningsLossPerShare_019edf59-c225-738a-86ba-521b75670cc7_verboseLabel_en-US" xlink:label="lab_ifrs-full_DilutedEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Diluted earnings per ordinary share (in GBP per share)</link:label>
    <link:label id="lab_ifrs-full_DilutedEarningsLossPerShare_label_en-US" xlink:label="lab_ifrs-full_DilutedEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Diluted earnings (loss) per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DilutedEarningsLossPerShare" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DilutedEarningsLossPerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DilutedEarningsLossPerShare" xlink:to="lab_ifrs-full_DilutedEarningsLossPerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MaturityDomain_019edf59-c18f-78c3-b167-a532af9755d6_terseLabel_en-US" xlink:label="lab_ifrs-full_MaturityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity [domain]</link:label>
    <link:label id="lab_ifrs-full_MaturityDomain_label_en-US" xlink:label="lab_ifrs-full_MaturityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MaturityDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MaturityDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaturityDomain" xlink:to="lab_ifrs-full_MaturityDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SurplusDeficitInPlan_019edf59-c225-77b5-b112-ab98c4e77f44_verboseLabel_en-US" xlink:label="lab_ifrs-full_SurplusDeficitInPlan" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Surplus (deficit) in plan</link:label>
    <link:label id="lab_ifrs-full_SurplusDeficitInPlan_label_en-US" xlink:label="lab_ifrs-full_SurplusDeficitInPlan" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Surplus (deficit) in plan</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SurplusDeficitInPlan" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SurplusDeficitInPlan"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SurplusDeficitInPlan" xlink:to="lab_ifrs-full_SurplusDeficitInPlan" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_GainsLossesRecognisedInOtherComprehensiveIncomeIncludingExchangeDifferencesFairValueMeasurementAssetsLiabilities_019edf59-c225-7b26-829c-20bb8f4ee2af_terseLabel_en-US" xlink:label="lab_bcs_GainsLossesRecognisedInOtherComprehensiveIncomeIncludingExchangeDifferencesFairValueMeasurementAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total gains or losses recognised in OCI, assets (liabilities) net</link:label>
    <link:label id="lab_bcs_GainsLossesRecognisedInOtherComprehensiveIncomeIncludingExchangeDifferencesFairValueMeasurementAssetsLiabilities_label_en-US" xlink:label="lab_bcs_GainsLossesRecognisedInOtherComprehensiveIncomeIncludingExchangeDifferencesFairValueMeasurementAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (Losses) Recognised In Other Comprehensive Income Including Exchange Differences, Fair Value Measurement, Assets (Liabilities)</link:label>
    <link:label id="lab_bcs_GainsLossesRecognisedInOtherComprehensiveIncomeIncludingExchangeDifferencesFairValueMeasurementAssetsLiabilities_documentation_en-US" xlink:label="lab_bcs_GainsLossesRecognisedInOtherComprehensiveIncomeIncludingExchangeDifferencesFairValueMeasurementAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Gains (Losses) Recognised In Other Comprehensive Income Including Exchange Differences, Fair Value Measurement, Assets (Liabilities)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_GainsLossesRecognisedInOtherComprehensiveIncomeIncludingExchangeDifferencesFairValueMeasurementAssetsLiabilities" xlink:href="bcs-20260630.xsd#bcs_GainsLossesRecognisedInOtherComprehensiveIncomeIncludingExchangeDifferencesFairValueMeasurementAssetsLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_GainsLossesRecognisedInOtherComprehensiveIncomeIncludingExchangeDifferencesFairValueMeasurementAssetsLiabilities" xlink:to="lab_bcs_GainsLossesRecognisedInOtherComprehensiveIncomeIncludingExchangeDifferencesFairValueMeasurementAssetsLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAxis_019edf59-c0d6-7e35-a6d7-814cce33bf33_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Categories of financial liabilities [axis]</link:label>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAxis_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Categories of financial liabilities [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialLiabilitiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:to="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInDeposits_019edf59-c225-7d36-949d-ec41c8f1c2fe_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInDeposits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net increase in deposits at amortised cost</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInDeposits_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInDeposits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for increase (decrease) in deposits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInDeposits" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInDeposits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInDeposits" xlink:to="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInDeposits" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_DirectAndIndirectHoldingsByAnInstitutionOfOwnCET1Instruments_019edf59-c225-7e59-9d3c-8793a1970759_negatedTerseLabel_en-US" xlink:label="lab_bcs_DirectAndIndirectHoldingsByAnInstitutionOfOwnCET1Instruments" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Direct and indirect holdings by an institution of own CET1 instruments</link:label>
    <link:label id="lab_bcs_DirectAndIndirectHoldingsByAnInstitutionOfOwnCET1Instruments_label_en-US" xlink:label="lab_bcs_DirectAndIndirectHoldingsByAnInstitutionOfOwnCET1Instruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Direct And Indirect Holdings By An Institution Of Own CET1 Instruments</link:label>
    <link:label id="lab_bcs_DirectAndIndirectHoldingsByAnInstitutionOfOwnCET1Instruments_documentation_en-US" xlink:label="lab_bcs_DirectAndIndirectHoldingsByAnInstitutionOfOwnCET1Instruments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of direct and indirect holdings by an institution of own CET1 instruments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_DirectAndIndirectHoldingsByAnInstitutionOfOwnCET1Instruments" xlink:href="bcs-20260630.xsd#bcs_DirectAndIndirectHoldingsByAnInstitutionOfOwnCET1Instruments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_DirectAndIndirectHoldingsByAnInstitutionOfOwnCET1Instruments" xlink:to="lab_bcs_DirectAndIndirectHoldingsByAnInstitutionOfOwnCET1Instruments" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_BarclaysInvestmentBankMember_019edf59-c18f-7fab-8a05-07d0c417fc9e_terseLabel_en-US" xlink:label="lab_bcs_BarclaysInvestmentBankMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Barclays Investment Bank</link:label>
    <link:label id="lab_bcs_BarclaysInvestmentBankMember_label_en-US" xlink:label="lab_bcs_BarclaysInvestmentBankMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Barclays Investment Bank [Member]</link:label>
    <link:label id="lab_bcs_BarclaysInvestmentBankMember_documentation_en-US" xlink:label="lab_bcs_BarclaysInvestmentBankMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for the Barclays International business segment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_BarclaysInvestmentBankMember" xlink:href="bcs-20260630.xsd#bcs_BarclaysInvestmentBankMember"/>
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    <link:label id="lab_ifrs-full_PurchaseOfTreasuryShares_019edf59-c225-7df7-8605-d1741f3aa9b5_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_PurchaseOfTreasuryShares" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Repurchase of shares</link:label>
    <link:label id="lab_ifrs-full_PurchaseOfTreasuryShares_label_en-US" xlink:label="lab_ifrs-full_PurchaseOfTreasuryShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase of treasury shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PurchaseOfTreasuryShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PurchaseOfTreasuryShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchaseOfTreasuryShares" xlink:to="lab_ifrs-full_PurchaseOfTreasuryShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CreditImpairmentOfFinancialInstrumentsDomain_019edf59-c18f-7a96-84c8-ae68fea7b799_terseLabel_en-US" xlink:label="lab_ifrs-full_CreditImpairmentOfFinancialInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit impairment of financial instruments [domain]</link:label>
    <link:label id="lab_ifrs-full_CreditImpairmentOfFinancialInstrumentsDomain_label_en-US" xlink:label="lab_ifrs-full_CreditImpairmentOfFinancialInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit impairment of financial instruments [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CreditImpairmentOfFinancialInstrumentsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CreditImpairmentOfFinancialInstrumentsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CreditImpairmentOfFinancialInstrumentsDomain" xlink:to="lab_ifrs-full_CreditImpairmentOfFinancialInstrumentsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_A6.174FixedRateResettingSubordinatedCallableNotesGBPMember_019f6ba3-222c-7d11-a443-9cca9df49642_terseLabel_en-US" xlink:label="lab_bcs_A6.174FixedRateResettingSubordinatedCallableNotesGBPMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">6.174% Fixed Rate Resetting Subordinated Callable Notes (GBP)</link:label>
    <link:label id="lab_bcs_A6.174FixedRateResettingSubordinatedCallableNotesGBPMember_label_en-US" xlink:label="lab_bcs_A6.174FixedRateResettingSubordinatedCallableNotesGBPMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">6.174% Fixed Rate Resetting Subordinated Callable Notes (GBP) [Member]</link:label>
    <link:label id="lab_bcs_A6.174FixedRateResettingSubordinatedCallableNotesGBPMember_documentation_en-US" xlink:label="lab_bcs_A6.174FixedRateResettingSubordinatedCallableNotesGBPMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">6.174% Fixed Rate Resetting Subordinated Callable Notes (GBP)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_A6.174FixedRateResettingSubordinatedCallableNotesGBPMember" xlink:href="bcs-20260630.xsd#bcs_A6.174FixedRateResettingSubordinatedCallableNotesGBPMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_A6.174FixedRateResettingSubordinatedCallableNotesGBPMember" xlink:to="lab_bcs_A6.174FixedRateResettingSubordinatedCallableNotesGBPMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AtFairValueMember_019edf59-c225-7b01-95fd-a44b703160a3_terseLabel_en-US" xlink:label="lab_ifrs-full_AtFairValueMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value</link:label>
    <link:label id="lab_ifrs-full_AtFairValueMember_label_en-US" xlink:label="lab_ifrs-full_AtFairValueMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">At fair value [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AtFairValueMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AtFairValueMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AtFairValueMember" xlink:to="lab_ifrs-full_AtFairValueMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NetAssetsLiabilities_019edf59-c18f-70d7-ae05-17a4a707a745_periodStartLabel_en-US" xlink:label="lab_ifrs-full_NetAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning balance, assets (liabilities)</link:label>
    <link:label id="lab_ifrs-full_NetAssetsLiabilities_019edf59-c18f-7be0-8834-4e14ff9502df_periodEndLabel_en-US" xlink:label="lab_ifrs-full_NetAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending balance, assets (liabilities)</link:label>
    <link:label id="lab_ifrs-full_NetAssetsLiabilities_label_en-US" xlink:label="lab_ifrs-full_NetAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets (liabilities)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NetAssetsLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NetAssetsLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NetAssetsLiabilities" xlink:to="lab_ifrs-full_NetAssetsLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EarningsPerShareExplanatory_019edf59-c225-7b15-aa7c-e1c832777cc7_terseLabel_en-US" xlink:label="lab_ifrs-full_EarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings per share</link:label>
    <link:label id="lab_ifrs-full_EarningsPerShareExplanatory_label_en-US" xlink:label="lab_ifrs-full_EarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings per share [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EarningsPerShareExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EarningsPerShareExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EarningsPerShareExplanatory" xlink:to="lab_ifrs-full_EarningsPerShareExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_GreaterThanOneMonthPastDueMember_019edf59-c225-7d83-aff5-a7ed9ce2251b_terseLabel_en-US" xlink:label="lab_bcs_GreaterThanOneMonthPastDueMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">&gt;30 days past due</link:label>
    <link:label id="lab_bcs_GreaterThanOneMonthPastDueMember_label_en-US" xlink:label="lab_bcs_GreaterThanOneMonthPastDueMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Greater Than One Month Past Due [Member]</link:label>
    <link:label id="lab_bcs_GreaterThanOneMonthPastDueMember_documentation_en-US" xlink:label="lab_bcs_GreaterThanOneMonthPastDueMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for a time band of later than one month.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_GreaterThanOneMonthPastDueMember" xlink:href="bcs-20260630.xsd#bcs_GreaterThanOneMonthPastDueMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_GreaterThanOneMonthPastDueMember" xlink:to="lab_bcs_GreaterThanOneMonthPastDueMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_UpsideTwoMember_019edf59-c190-7eba-875a-90d226d633e1_terseLabel_en-US" xlink:label="lab_bcs_UpsideTwoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Upside 2</link:label>
    <link:label id="lab_bcs_UpsideTwoMember_label_en-US" xlink:label="lab_bcs_UpsideTwoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Upside 2 [member]</link:label>
    <link:label id="lab_bcs_UpsideTwoMember_documentation_en-US" xlink:label="lab_bcs_UpsideTwoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The upside 2 scenario. The favourable scenarios are calibrated to be symmetric to the adverse scenarios, subject to a ceiling calibrated to relevant recent favourable benchmark scenarios.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_UpsideTwoMember" xlink:href="bcs-20260630.xsd#bcs_UpsideTwoMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_UpsideTwoMember" xlink:to="lab_bcs_UpsideTwoMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAbstract_019edf59-c18f-7806-a5ef-a2b8aaf64acc_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial liabilities</link:label>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Categories of financial liabilities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfFinancialLiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfFinancialLiabilitiesAbstract" xlink:to="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_TransfersFromStageTwoToStageOneMember_019edf59-c0d6-7a51-8930-9f84011a9c65_terseLabel_en-US" xlink:label="lab_bcs_TransfersFromStageTwoToStageOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers from Stage 2 to Stage 1</link:label>
    <link:label id="lab_bcs_TransfersFromStageTwoToStageOneMember_label_en-US" xlink:label="lab_bcs_TransfersFromStageTwoToStageOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transfers From Stage Two To Stage One [Member]</link:label>
    <link:label id="lab_bcs_TransfersFromStageTwoToStageOneMember_documentation_en-US" xlink:label="lab_bcs_TransfersFromStageTwoToStageOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Transfers from stage two.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_TransfersFromStageTwoToStageOneMember" xlink:href="bcs-20260630.xsd#bcs_TransfersFromStageTwoToStageOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_TransfersFromStageTwoToStageOneMember" xlink:to="lab_bcs_TransfersFromStageTwoToStageOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RecognisedLiabilitiesDefinedBenefitPlan_019edf59-c18f-7e79-8806-8a497f2a8f5c_terseLabel_en-US" xlink:label="lab_ifrs-full_RecognisedLiabilitiesDefinedBenefitPlan" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retirement benefit liabilities</link:label>
    <link:label id="lab_ifrs-full_RecognisedLiabilitiesDefinedBenefitPlan_label_en-US" xlink:label="lab_ifrs-full_RecognisedLiabilitiesDefinedBenefitPlan" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net defined benefit liability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RecognisedLiabilitiesDefinedBenefitPlan" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RecognisedLiabilitiesDefinedBenefitPlan"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RecognisedLiabilitiesDefinedBenefitPlan" xlink:to="lab_ifrs-full_RecognisedLiabilitiesDefinedBenefitPlan" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueOfPlanAssetsTable_019edf59-c0d6-78ba-b813-f4da0a7dc8dc_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueOfPlanAssetsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of fair value of plan assets [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueOfPlanAssetsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueOfPlanAssetsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of fair value of plan assets [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFairValueOfPlanAssetsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueOfPlanAssetsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFairValueOfPlanAssetsTable" xlink:to="lab_ifrs-full_DisclosureOfFairValueOfPlanAssetsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncashAssetsPledgedAsCollateralForWhichTransfereeHasRightByContractOrCustomToSellOrRepledgeCollateral_019edf59-c190-7bf1-94e8-4fcd6c5002c3_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncashAssetsPledgedAsCollateralForWhichTransfereeHasRightByContractOrCustomToSellOrRepledgeCollateral" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-cash assets pledged as collateral</link:label>
    <link:label id="lab_ifrs-full_NoncashAssetsPledgedAsCollateralForWhichTransfereeHasRightByContractOrCustomToSellOrRepledgeCollateral_label_en-US" xlink:label="lab_ifrs-full_NoncashAssetsPledgedAsCollateralForWhichTransfereeHasRightByContractOrCustomToSellOrRepledgeCollateral" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-cash assets pledged as collateral for which transferee has right by contract or custom to sell or repledge collateral</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncashAssetsPledgedAsCollateralForWhichTransfereeHasRightByContractOrCustomToSellOrRepledgeCollateral" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncashAssetsPledgedAsCollateralForWhichTransfereeHasRightByContractOrCustomToSellOrRepledgeCollateral"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncashAssetsPledgedAsCollateralForWhichTransfereeHasRightByContractOrCustomToSellOrRepledgeCollateral" xlink:to="lab_ifrs-full_NoncashAssetsPledgedAsCollateralForWhichTransfereeHasRightByContractOrCustomToSellOrRepledgeCollateral" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_AssetsByFunctionsDomain_019edf59-c225-7caa-b42d-1b624027defb_terseLabel_en-US" xlink:label="lab_bcs_AssetsByFunctionsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets By Functions [Domain]</link:label>
    <link:label id="lab_bcs_AssetsByFunctionsDomain_label_en-US" xlink:label="lab_bcs_AssetsByFunctionsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets By Functions [Domain]</link:label>
    <link:label id="lab_bcs_AssetsByFunctionsDomain_documentation_en-US" xlink:label="lab_bcs_AssetsByFunctionsDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Assets By Functions [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_AssetsByFunctionsDomain" xlink:href="bcs-20260630.xsd#bcs_AssetsByFunctionsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_AssetsByFunctionsDomain" xlink:to="lab_bcs_AssetsByFunctionsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesBeforeTax_019edfa2-5b17-7033-91c3-6357b68f0f01_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesBeforeTax" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Net losses/(gains) transferred to net profit</link:label>
    <link:label id="lab_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesBeforeTax_label_en-US" xlink:label="lab_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesBeforeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reclassification adjustments on cash flow hedges, before tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesBeforeTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesBeforeTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesBeforeTax" xlink:to="lab_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesBeforeTax" xlink:type="arc" order="1"/>
    <link:label id="lab_bcs_BrokeredCertificatesOfDepositMember_019edf59-c225-79bb-bbe7-37525209ab14_terseLabel_en-US" xlink:label="lab_bcs_BrokeredCertificatesOfDepositMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Brokered certificates of deposit</link:label>
    <link:label id="lab_bcs_BrokeredCertificatesOfDepositMember_label_en-US" xlink:label="lab_bcs_BrokeredCertificatesOfDepositMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Brokered certificates of deposit [member]</link:label>
    <link:label id="lab_bcs_BrokeredCertificatesOfDepositMember_documentation_en-US" xlink:label="lab_bcs_BrokeredCertificatesOfDepositMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for structured and brokered certificates of deposit issued by the entity are insured up to $250,000 per depositor by the Federal Deposit Insurance Corporation (FDIC) in the US.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bcs_BrokeredCertificatesOfDepositMember" xlink:href="bcs-20260630.xsd#bcs_BrokeredCertificatesOfDepositMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bcs_BrokeredCertificatesOfDepositMember" xlink:to="lab_bcs_BrokeredCertificatesOfDepositMember" xlink:type="arc" order="1"/>
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