<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019edf59-b02c-769c-84af-7cce4b97d386,g:bac74f35-a9f9-4548-9d85-3939b2c4463f-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:bcs="http://www.home.barclays/20260630" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:dtr-types1="http://www.xbrl.org/dtr/type/2022-03-31" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.home.barclays/20260630">
  <xs:import namespace="http://fasb.org/srt/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2022-03-31" schemaLocation="https://www.xbrl.org/dtr/type/2022-03-31/types.xsd"/>
  <xs:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/country/2025" schemaLocation="https://xbrl.sec.gov/country/2025/country-2025.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2025" schemaLocation="https://xbrl.sec.gov/dei/2025/dei-2025.xsd"/>
  <xs:import namespace="https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full" schemaLocation="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd"/>
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="bcs-20260630_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="bcs-20260630_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="bcs-20260630_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="bcs-20260630_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="Cover" roleURI="http://www.home.barclays/role/Cover">
        <link:definition>0000001 - Document - Cover</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Condensedconsolidatedincomestatementunaudited" roleURI="http://www.home.barclays/role/Condensedconsolidatedincomestatementunaudited">
        <link:definition>9952151 - Statement - Condensed consolidated income statement (unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedconsolidatedincomestatementunauditedParenthetical" roleURI="http://www.home.barclays/role/CondensedconsolidatedincomestatementunauditedParenthetical">
        <link:definition>9952152 - Statement - Condensed consolidated income statement (unaudited) (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedconsolidatedincomestatementunauditedAlternativecalculation" roleURI="http://www.home.barclays/role/CondensedconsolidatedincomestatementunauditedAlternativecalculation">
        <link:definition>9952153 - Statement - Condensed consolidated income statement (unaudited) - Alternative calculation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Condensedconsolidatedstatementofcomprehensiveincomeunaudited" roleURI="http://www.home.barclays/role/Condensedconsolidatedstatementofcomprehensiveincomeunaudited">
        <link:definition>9952154 - Statement - Condensed consolidated statement of comprehensive income (unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Condensedconsolidatedstatementofcomprehensiveincomeunaudited_1" roleURI="http://www.home.barclays/role/Condensedconsolidatedstatementofcomprehensiveincomeunaudited_1">
        <link:definition>9952154 - Statement - Condensed consolidated statement of comprehensive income (unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Condensedconsolidatedbalancesheetunaudited" roleURI="http://www.home.barclays/role/Condensedconsolidatedbalancesheetunaudited">
        <link:definition>9952155 - Statement - Condensed consolidated balance sheet (unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Condensedconsolidatedstatementofchangesinequityunaudited" roleURI="http://www.home.barclays/role/Condensedconsolidatedstatementofchangesinequityunaudited">
        <link:definition>9952156 - Statement - Condensed consolidated statement of changes in equity (unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedconsolidatedstatementofchangesinequityunauditedParenthetical" roleURI="http://www.home.barclays/role/CondensedconsolidatedstatementofchangesinequityunauditedParenthetical">
        <link:definition>9952157 - Statement - Condensed consolidated statement of changes in equity (unaudited) (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Condensedconsolidatedcashflowstatementunaudited" roleURI="http://www.home.barclays/role/Condensedconsolidatedcashflowstatementunaudited">
        <link:definition>9952158 - Statement - Condensed consolidated cash flow statement (unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CreditRisk" roleURI="http://www.home.barclays/role/CreditRisk">
        <link:definition>9952159 - Disclosure - Credit Risk</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Basisofpreparation" roleURI="http://www.home.barclays/role/Basisofpreparation">
        <link:definition>9952160 - Disclosure - Basis of preparation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Segmentalreporting" roleURI="http://www.home.barclays/role/Segmentalreporting">
        <link:definition>9952161 - Disclosure - Segmental reporting</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Netfeeandcommissionincome" roleURI="http://www.home.barclays/role/Netfeeandcommissionincome">
        <link:definition>9952162 - Disclosure - Net fee and commission income</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Staffcosts" roleURI="http://www.home.barclays/role/Staffcosts">
        <link:definition>9952163 - Disclosure - Staff costs</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Infrastructureadministrationandgeneralexpenses" roleURI="http://www.home.barclays/role/Infrastructureadministrationandgeneralexpenses">
        <link:definition>9952164 - Disclosure - Infrastructure, administration and general expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Earningspershare" roleURI="http://www.home.barclays/role/Earningspershare">
        <link:definition>9952165 - Disclosure - Earnings per share</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Dividendsonordinaryshares" roleURI="http://www.home.barclays/role/Dividendsonordinaryshares">
        <link:definition>9952166 - Disclosure - Dividends on ordinary shares</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Derivativefinancialinstruments" roleURI="http://www.home.barclays/role/Derivativefinancialinstruments">
        <link:definition>9952167 - Disclosure - Derivative financial instruments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Fairvalueoffinancialinstruments" roleURI="http://www.home.barclays/role/Fairvalueoffinancialinstruments">
        <link:definition>9952168 - Disclosure - Fair value of financial instruments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Goodwillandintangibleassets" roleURI="http://www.home.barclays/role/Goodwillandintangibleassets">
        <link:definition>9952169 - Disclosure - Goodwill and intangible assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Subordinatedliabilities" roleURI="http://www.home.barclays/role/Subordinatedliabilities">
        <link:definition>9952170 - Disclosure - Subordinated liabilities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Provisions" roleURI="http://www.home.barclays/role/Provisions">
        <link:definition>9952171 - Disclosure - Provisions</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Retirementbenefits" roleURI="http://www.home.barclays/role/Retirementbenefits">
        <link:definition>9952172 - Disclosure - Retirement benefits</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Otherreserves" roleURI="http://www.home.barclays/role/Otherreserves">
        <link:definition>9952173 - Disclosure - Other reserves</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Contingentliabilitiesandcommitments" roleURI="http://www.home.barclays/role/Contingentliabilitiesandcommitments">
        <link:definition>9952174 - Disclosure - Contingent liabilities and commitments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Legalcompetitionandregulatorymatters" roleURI="http://www.home.barclays/role/Legalcompetitionandregulatorymatters">
        <link:definition>9952175 - Disclosure - Legal, competition and regulatory matters</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Relatedpartytransactions" roleURI="http://www.home.barclays/role/Relatedpartytransactions">
        <link:definition>9952176 - Disclosure - Related party transactions</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Assetsandliabilitiesincludedindisposalgroupclassifiedasheldforsale" roleURI="http://www.home.barclays/role/Assetsandliabilitiesincludedindisposalgroupclassifiedasheldforsale">
        <link:definition>9952177 - Disclosure - Assets and liabilities included in disposal group classified as held for sale</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CreditRiskTables" roleURI="http://www.home.barclays/role/CreditRiskTables">
        <link:definition>9955511 - Disclosure - Credit Risk (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentalreportingTables" roleURI="http://www.home.barclays/role/SegmentalreportingTables">
        <link:definition>9955512 - Disclosure - Segmental reporting (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NetfeeandcommissionincomeTables" roleURI="http://www.home.barclays/role/NetfeeandcommissionincomeTables">
        <link:definition>9955513 - Disclosure - Net fee and commission income (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StaffcostsTables" roleURI="http://www.home.barclays/role/StaffcostsTables">
        <link:definition>9955514 - Disclosure - Staff costs (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InfrastructureadministrationandgeneralexpensesTables" roleURI="http://www.home.barclays/role/InfrastructureadministrationandgeneralexpensesTables">
        <link:definition>9955515 - Disclosure - Infrastructure, administration and general expenses (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningspershareTables" roleURI="http://www.home.barclays/role/EarningspershareTables">
        <link:definition>9955516 - Disclosure - Earnings per share (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DividendsonordinarysharesTables" roleURI="http://www.home.barclays/role/DividendsonordinarysharesTables">
        <link:definition>9955517 - Disclosure - Dividends on ordinary shares (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativefinancialinstrumentsTables" roleURI="http://www.home.barclays/role/DerivativefinancialinstrumentsTables">
        <link:definition>9955518 - Disclosure - Derivative financial instruments (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairvalueoffinancialinstrumentsTables" roleURI="http://www.home.barclays/role/FairvalueoffinancialinstrumentsTables">
        <link:definition>9955519 - Disclosure - Fair value of financial instruments (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SubordinatedliabilitiesTables" roleURI="http://www.home.barclays/role/SubordinatedliabilitiesTables">
        <link:definition>9955520 - Disclosure - Subordinated liabilities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ProvisionsTables" roleURI="http://www.home.barclays/role/ProvisionsTables">
        <link:definition>9955521 - Disclosure - Provisions (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherreservesTables" roleURI="http://www.home.barclays/role/OtherreservesTables">
        <link:definition>9955522 - Disclosure - Other reserves (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ContingentliabilitiesandcommitmentsTables" roleURI="http://www.home.barclays/role/ContingentliabilitiesandcommitmentsTables">
        <link:definition>9955523 - Disclosure - Contingent liabilities and commitments (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AssetsandliabilitiesincludedindisposalgroupclassifiedasheldforsaleTables" roleURI="http://www.home.barclays/role/AssetsandliabilitiesincludedindisposalgroupclassifiedasheldforsaleTables">
        <link:definition>9955524 - Disclosure - Assets and liabilities included in disposal group classified as held for sale (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CreditRiskDisclosureofloansandadvancesatamortisedcostbygeographyDetails" roleURI="http://www.home.barclays/role/CreditRiskDisclosureofloansandadvancesatamortisedcostbygeographyDetails">
        <link:definition>9955525 - Disclosure - Credit Risk - Disclosure of loans and advances at amortised cost by geography (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CreditRiskDisclosureofloansandadvancesatamortisedcostbyproductDetails" roleURI="http://www.home.barclays/role/CreditRiskDisclosureofloansandadvancesatamortisedcostbyproductDetails">
        <link:definition>9955526 - Disclosure - Credit Risk - Disclosure of loans and advances at amortised cost by product (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CreditRiskDisclosureofmovementingrossexposuresandimpairmentallowanceincludingprovisionsforloancommitmentsandfinancialguaranteesDetails" roleURI="http://www.home.barclays/role/CreditRiskDisclosureofmovementingrossexposuresandimpairmentallowanceincludingprovisionsforloancommitmentsandfinancialguaranteesDetails">
        <link:definition>9955527 - Disclosure - Credit Risk - Disclosure of movement in gross exposures and impairment allowance including provisions for loan commitments and financial guarantees (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CreditRiskDisclosureofprovisionsforloancommitmentandfinancialguaranteesDetails" roleURI="http://www.home.barclays/role/CreditRiskDisclosureofprovisionsforloancommitmentandfinancialguaranteesDetails">
        <link:definition>9955528 - Disclosure - Credit Risk - Disclosure of provisions for loan commitment and financial guarantees (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CreditRiskDisclosureofmanagementadjustmentstomodelsforimpairmentandEconomicuncertaintymanagementadjustmentstomodelsforimpairmentpresentedbystageDetails" roleURI="http://www.home.barclays/role/CreditRiskDisclosureofmanagementadjustmentstomodelsforimpairmentandEconomicuncertaintymanagementadjustmentstomodelsforimpairmentpresentedbystageDetails">
        <link:definition>9955529 - Disclosure - Credit Risk - Disclosure of management adjustments to models for impairment and Economic uncertainty management adjustments to models for impairment presented by stage (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CreditRiskEconomicuncertaintyadjustmentsandOtheradjustmentsNarrativeDetails" roleURI="http://www.home.barclays/role/CreditRiskEconomicuncertaintyadjustmentsandOtheradjustmentsNarrativeDetails">
        <link:definition>9955530 - Disclosure - Credit Risk - Economic uncertainty adjustments and Other adjustments (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CreditRiskNarrativeDetails" roleURI="http://www.home.barclays/role/CreditRiskNarrativeDetails">
        <link:definition>9955531 - Disclosure - Credit Risk - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CreditRiskDisclosureofmeasurementuncertaintyBaselineaveragemacroeconomicvariablesusedinthecalculationofECLDetails" roleURI="http://www.home.barclays/role/CreditRiskDisclosureofmeasurementuncertaintyBaselineaveragemacroeconomicvariablesusedinthecalculationofECLDetails">
        <link:definition>9955532 - Disclosure - Credit Risk - Disclosure of measurement uncertainty - Baseline average macroeconomic variables used in the calculation of ECL (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CreditRiskDisclosureofmeasurementuncertaintyScenarioweightingDetails" roleURI="http://www.home.barclays/role/CreditRiskDisclosureofmeasurementuncertaintyScenarioweightingDetails">
        <link:definition>9955533 - Disclosure - Credit Risk - Disclosure of measurement uncertainty - Scenario weighting (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CreditRiskDisclosureofmeasurementuncertaintyMacroeconomicvariablesspecificbasesand5yearaveragesDetails" roleURI="http://www.home.barclays/role/CreditRiskDisclosureofmeasurementuncertaintyMacroeconomicvariablesspecificbasesand5yearaveragesDetails">
        <link:definition>9955534 - Disclosure - Credit Risk - Disclosure of measurement uncertainty - Macroeconomic variables (specific bases and 5-year averages) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CreditRiskDisclosureofmeasurementuncertaintyECLunder100weightedscenariosformodelledportfoliosDetails" roleURI="http://www.home.barclays/role/CreditRiskDisclosureofmeasurementuncertaintyECLunder100weightedscenariosformodelledportfoliosDetails">
        <link:definition>9955535 - Disclosure - Credit Risk - Disclosure of measurement uncertainty - ECL under 100% weighted scenarios for modelled portfolios (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CreditRiskDisclosureofanalysisofmanagementvalueatriskVaRDetails" roleURI="http://www.home.barclays/role/CreditRiskDisclosureofanalysisofmanagementvalueatriskVaRDetails">
        <link:definition>9955536 - Disclosure - Credit Risk - Disclosure of analysis of management value at risk (VaR) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CreditRiskDisclosureofanalysisoffundsandeligibleliabilitiesDetails" roleURI="http://www.home.barclays/role/CreditRiskDisclosureofanalysisoffundsandeligibleliabilitiesDetails">
        <link:definition>9955537 - Disclosure - Credit Risk - Disclosure of analysis of funds and eligible liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentalreportingDetails" roleURI="http://www.home.barclays/role/SegmentalreportingDetails">
        <link:definition>9955538 - Disclosure - Segmental reporting (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NetfeeandcommissionincomeDetails" roleURI="http://www.home.barclays/role/NetfeeandcommissionincomeDetails">
        <link:definition>9955539 - Disclosure - Net fee and commission income (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StaffcostsDetails" roleURI="http://www.home.barclays/role/StaffcostsDetails">
        <link:definition>9955540 - Disclosure - Staff costs (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InfrastructureadministrationandgeneralexpensesDetails" roleURI="http://www.home.barclays/role/InfrastructureadministrationandgeneralexpensesDetails">
        <link:definition>9955541 - Disclosure - Infrastructure, administration and general expenses (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningspershareDetails" roleURI="http://www.home.barclays/role/EarningspershareDetails">
        <link:definition>9955542 - Disclosure - Earnings per share (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DividendsonordinarysharesDividendsonordinarysharesDetails" roleURI="http://www.home.barclays/role/DividendsonordinarysharesDividendsonordinarysharesDetails">
        <link:definition>9955543 - Disclosure - Dividends on ordinary shares - Dividends on ordinary shares (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DividendsonordinarysharesNarrativeDetails" roleURI="http://www.home.barclays/role/DividendsonordinarysharesNarrativeDetails">
        <link:definition>9955544 - Disclosure - Dividends on ordinary shares - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativefinancialinstrumentsTotalrecognisedderivativeassetsliabilitiesDetails" roleURI="http://www.home.barclays/role/DerivativefinancialinstrumentsTotalrecognisedderivativeassetsliabilitiesDetails">
        <link:definition>9955545 - Disclosure - Derivative financial instruments - Total recognised derivative assets/(liabilities) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativefinancialinstrumentsNarrativeDetails" roleURI="http://www.home.barclays/role/DerivativefinancialinstrumentsNarrativeDetails">
        <link:definition>9955546 - Disclosure - Derivative financial instruments - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairvalueoffinancialinstrumentsAssetsandliabilitiesheldatfairvaluedisaggregatedbyvaluationtechniquefairvaluehierarchyandbalancesheetclassificationDetails" roleURI="http://www.home.barclays/role/FairvalueoffinancialinstrumentsAssetsandliabilitiesheldatfairvaluedisaggregatedbyvaluationtechniquefairvaluehierarchyandbalancesheetclassificationDetails">
        <link:definition>9955547 - Disclosure - Fair value of financial instruments - Assets and liabilities held at fair value disaggregated by valuation technique (fair value hierarchy) and balance sheet classification (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairvalueoffinancialinstrumentsLevel3assetsandliabilitiesheldatfairvaluedisaggregatedbyproducttypeDetails" roleURI="http://www.home.barclays/role/FairvalueoffinancialinstrumentsLevel3assetsandliabilitiesheldatfairvaluedisaggregatedbyproducttypeDetails">
        <link:definition>9955548 - Disclosure - Fair value of financial instruments - Level 3 assets and liabilities held at fair value disaggregated by product type (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairvalueoffinancialinstrumentsNarrativeDetails" roleURI="http://www.home.barclays/role/FairvalueoffinancialinstrumentsNarrativeDetails">
        <link:definition>9955549 - Disclosure - Fair value of financial instruments - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairvalueoffinancialinstrumentsAnalysisofmovementsinLevel3assetsandliabilitiesDetails" roleURI="http://www.home.barclays/role/FairvalueoffinancialinstrumentsAnalysisofmovementsinLevel3assetsandliabilitiesDetails">
        <link:definition>9955550 - Disclosure - Fair value of financial instruments - Analysis of movements in Level 3 assets and liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairvalueoffinancialinstrumentsUnrealisedgainsandlossesrecognisedintheperiodonLevel3assetsandliabilitiesheldatperiodendDetails" roleURI="http://www.home.barclays/role/FairvalueoffinancialinstrumentsUnrealisedgainsandlossesrecognisedintheperiodonLevel3assetsandliabilitiesheldatperiodendDetails">
        <link:definition>9955551 - Disclosure - Fair value of financial instruments - Unrealised gains and losses recognised in the period on Level 3 assets and liabilities held at period end (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairvalueoffinancialinstrumentsSensitivityanalysisofvaluationsusingunobservableinputsDetails" roleURI="http://www.home.barclays/role/FairvalueoffinancialinstrumentsSensitivityanalysisofvaluationsusingunobservableinputsDetails">
        <link:definition>9955552 - Disclosure - Fair value of financial instruments - Sensitivity analysis of valuations using unobservable inputs (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairvalueoffinancialinstrumentsFairvalueadjustmentsDetails" roleURI="http://www.home.barclays/role/FairvalueoffinancialinstrumentsFairvalueadjustmentsDetails">
        <link:definition>9955553 - Disclosure - Fair value of financial instruments - Fair value adjustments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairvalueoffinancialinstrumentsComparisonofcarryingamountsandfairvaluesforassetsandliabilitiesnotheldatfairvalueDetails" roleURI="http://www.home.barclays/role/FairvalueoffinancialinstrumentsComparisonofcarryingamountsandfairvaluesforassetsandliabilitiesnotheldatfairvalueDetails">
        <link:definition>9955554 - Disclosure - Fair value of financial instruments - Comparison of carrying amounts and fair values for assets and liabilities not held at fair value (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandintangibleassetsDetails" roleURI="http://www.home.barclays/role/GoodwillandintangibleassetsDetails">
        <link:definition>9955555 - Disclosure - Goodwill and intangible assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SubordinatedliabilitiesSubordinatedliabilitiesDetails" roleURI="http://www.home.barclays/role/SubordinatedliabilitiesSubordinatedliabilitiesDetails">
        <link:definition>9955556 - Disclosure - Subordinated liabilities - Subordinated liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SubordinatedliabilitiesNarrativeDetails" roleURI="http://www.home.barclays/role/SubordinatedliabilitiesNarrativeDetails">
        <link:definition>9955557 - Disclosure - Subordinated liabilities - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ProvisionsDetails" roleURI="http://www.home.barclays/role/ProvisionsDetails">
        <link:definition>9955558 - Disclosure - Provisions (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RetirementbenefitsDetails" roleURI="http://www.home.barclays/role/RetirementbenefitsDetails">
        <link:definition>9955559 - Disclosure - Retirement benefits (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherreservesOtherreservesDetails" roleURI="http://www.home.barclays/role/OtherreservesOtherreservesDetails">
        <link:definition>9955560 - Disclosure - Other reserves - Other reserves (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ContingentliabilitiesandcommitmentsDetails" roleURI="http://www.home.barclays/role/ContingentliabilitiesandcommitmentsDetails">
        <link:definition>9955561 - Disclosure - Contingent liabilities and commitments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LegalcompetitionandregulatorymattersDetails" roleURI="http://www.home.barclays/role/LegalcompetitionandregulatorymattersDetails">
        <link:definition>9955562 - Disclosure - Legal, competition and regulatory matters (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AssetsandliabilitiesincludedindisposalgroupclassifiedasheldforsaleNarrativeDetails" roleURI="http://www.home.barclays/role/AssetsandliabilitiesincludedindisposalgroupclassifiedasheldforsaleNarrativeDetails">
        <link:definition>9955563 - Disclosure - Assets and liabilities included in disposal group classified as held for sale - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AssetsandliabilitiesincludedindisposalgroupclassifiedasheldforsaleDisclosureofassetsandliabilitiesclassifiedasheldforsaleDetails" roleURI="http://www.home.barclays/role/AssetsandliabilitiesincludedindisposalgroupclassifiedasheldforsaleDisclosureofassetsandliabilitiesclassifiedasheldforsaleDetails">
        <link:definition>9955564 - Disclosure - Assets and liabilities included in disposal group classified as held for sale - Disclosure of assets and liabilities classified as held for sale (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="bcs_NetInvestmentIncomeExpense" abstract="false" name="NetInvestmentIncomeExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_OperatingIncome" abstract="false" name="OperatingIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_InfrastructureAdministrationAndGeneralExpenses" abstract="false" name="InfrastructureAdministrationAndGeneralExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_UKRegulatoryLevies" abstract="false" name="UKRegulatoryLevies" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_ProfitLossFromOperatingActivitiesBeforeImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" abstract="false" name="ProfitLossFromOperatingActivitiesBeforeImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_GainLossFromDisposalOfNonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations" abstract="false" name="GainLossFromDisposalOfNonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxOnDisposal" abstract="false" name="ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxOnDisposal" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxDueToImpairment" abstract="false" name="ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxDueToImpairment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxDueToFairValueHedging" abstract="false" name="ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxDueToFairValueHedging" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_CalledUpShareCapitalAndSharePremium" abstract="false" name="CalledUpShareCapitalAndSharePremium" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_IssuedCapitalAndSharePremiumMember" abstract="true" name="IssuedCapitalAndSharePremiumMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_IssueAndRedemptionOfOtherEquityInstruments" abstract="false" name="IssueAndRedemptionOfOtherEquityInstruments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_CouponsPaidOnOtherEquityInstruments" abstract="false" name="CouponsPaidOnOtherEquityInstruments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_DecreaseThroughRedemptionOfPreferenceShares" abstract="false" name="DecreaseThroughRedemptionOfPreferenceShares" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_FixedRateResettingPerpetualSubordinatedContingentConvertibleSecuritiesMember" abstract="true" name="FixedRateResettingPerpetualSubordinatedContingentConvertibleSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_NumberOfShareBuybacks" abstract="false" name="NumberOfShareBuybacks" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bcs_IncreaseDecreaseInSharesThroughRepurchaseOfTreasuryShares" abstract="false" name="IncreaseDecreaseInSharesThroughRepurchaseOfTreasuryShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="bcs_NumberOfShareBuybacksPartiallyExecuted" abstract="false" name="NumberOfShareBuybacksPartiallyExecuted" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bcs_NumberOfConvertibleInstrumentsIssued" abstract="false" name="NumberOfConvertibleInstrumentsIssued" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bcs_IssuanceCostsOfConvertibleInstrumentsRedeemed" abstract="false" name="IssuanceCostsOfConvertibleInstrumentsRedeemed" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_NumberOfConvertibleInstrumentsRedeemed" abstract="false" name="NumberOfConvertibleInstrumentsRedeemed" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bcs_DisclosureOfShortTermEmployeeBenefitsExplanatoryTextBlock" abstract="false" name="DisclosureOfShortTermEmployeeBenefitsExplanatoryTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="bcs_DividendsAbstract" abstract="true" name="DividendsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="bcs_LegalCompetitionAndRegulatoryMattersAbstract" abstract="true" name="LegalCompetitionAndRegulatoryMattersAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="bcs_DisclosureOfLegalCompetitionAndRegulatoryMattersTextBlock" abstract="false" name="DisclosureOfLegalCompetitionAndRegulatoryMattersTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="bcs_DisclosureOfAnalysisOfCreditExposuresUsingAnExternalCreditGradingSystemTextBlock" abstract="false" name="DisclosureOfAnalysisOfCreditExposuresUsingAnExternalCreditGradingSystemTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="bcs_ManagementValueAtRiskTableTextBlock" abstract="false" name="ManagementValueAtRiskTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="bcs_ScheduleOfShortTermEmployeeBenefitsExplanatoryTableTextBlock" abstract="false" name="ScheduleOfShortTermEmployeeBenefitsExplanatoryTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="bcs_DividendsOnOrdinarySharesTableTextBlock" abstract="false" name="DividendsOnOrdinarySharesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="bcs_DisclosureOfSummaryOfDerivativeAssetsAndLiabilitiesTableTextBlock" abstract="false" name="DisclosureOfSummaryOfDerivativeAssetsAndLiabilitiesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="bcs_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTableTextBlock" abstract="false" name="DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="bcs_DisclosureOfMovementsInAssetsAndLiabilitiesTableTextBlock" abstract="false" name="DisclosureOfMovementsInAssetsAndLiabilitiesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="bcs_DisclosureOfUnrealisedGainsLossesRecognisedOnAssetsAndLiabilitiesTableTextBlock" abstract="false" name="DisclosureOfUnrealisedGainsLossesRecognisedOnAssetsAndLiabilitiesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="bcs_DisclosureOfFairValueAdjustmentsTableTextBlock" abstract="false" name="DisclosureOfFairValueAdjustmentsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="bcs_DisclosureOfCarryingAmountsAndFairValuesForAssetsAndLiabilitiesNotHeldAtFairValueTableTextBlock" abstract="false" name="DisclosureOfCarryingAmountsAndFairValuesForAssetsAndLiabilitiesNotHeldAtFairValueTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="bcs_DisclosureOfReservesAndOtherEquityInterestTableTextBlock" abstract="false" name="DisclosureOfReservesAndOtherEquityInterestTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="bcs_DisclosureOfContingentLiabilitiesAndCommitmentsTableTextBlock" abstract="false" name="DisclosureOfContingentLiabilitiesAndCommitmentsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleTableTextBlock" abstract="false" name="DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="bcs_LoansAndAdvancesAtAmortisedCostIncludingOffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember" abstract="true" name="LoansAndAdvancesAtAmortisedCostIncludingOffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_LoansAndAdvancesAtAmortisedCostIncludingDebtSecuritiesMember" abstract="true" name="LoansAndAdvancesAtAmortisedCostIncludingDebtSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_CreditCardsRetailMember" abstract="true" name="CreditCardsRetailMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_OtherRetailMember" abstract="true" name="OtherRetailMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember" abstract="true" name="OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_OtherFinancialAssetsSubjectToImpairmentMember" abstract="true" name="OtherFinancialAssetsSubjectToImpairmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_FinancialInstrumentsExcludingPurchasedOrOriginatedCreditImpairedMember" abstract="true" name="FinancialInstrumentsExcludingPurchasedOrOriginatedCreditImpairedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_RestOfTheWorldMember" abstract="true" name="RestOfTheWorldMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_BusinessBankingMember" abstract="true" name="BusinessBankingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_CGUExcludingBusinessBankingMember" abstract="true" name="CGUExcludingBusinessBankingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_ImpairmentAllowanceCoverageRatio" abstract="false" name="ImpairmentAllowanceCoverageRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="bcs_LoanLossRate" abstract="false" name="LoanLossRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="bcs_GreaterThanOneMonthPastDueMember" abstract="true" name="GreaterThanOneMonthPastDueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_TransfersFromStageOneToStageTwoMember" abstract="true" name="TransfersFromStageOneToStageTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_TransfersFromStageTwoToStageOneMember" abstract="true" name="TransfersFromStageTwoToStageOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_TransfersToStageThreeMember" abstract="true" name="TransfersToStageThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_TransfersFromStageThreeMember" abstract="true" name="TransfersFromStageThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_SecuritisationsAssetsMember" abstract="true" name="SecuritisationsAssetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_BestEggIncMember" abstract="true" name="BestEggIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_DecreaseThroughFinalRepaymentsFinancialAssets" abstract="false" name="DecreaseThroughFinalRepaymentsFinancialAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_IncreaseDecreaseThroughRecoveriesAndReimbursementsFinancialAssets" abstract="false" name="IncreaseDecreaseThroughRecoveriesAndReimbursementsFinancialAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_IncreaseDecreaseThroughAssetsHeldForSaleMovementsFinancialAssets" abstract="false" name="IncreaseDecreaseThroughAssetsHeldForSaleMovementsFinancialAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_IncreaseDecreaseInDrawdownsRepaymentsRiskParameterChangesAndOtherMovementsExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" abstract="false" name="IncreaseDecreaseInDrawdownsRepaymentsRiskParameterChangesAndOtherMovementsExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_DecreaseThroughDisposalExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" abstract="false" name="DecreaseThroughDisposalExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_CashCollateralAndSettlementsMember" abstract="true" name="CashCollateralAndSettlementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_ReverseRepurchaseAgreementsMember" abstract="true" name="ReverseRepurchaseAgreementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_ImpairmentAllowanceTotalMember" abstract="true" name="ImpairmentAllowanceTotalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_PreManagementAdjustmentsMember" abstract="true" name="PreManagementAdjustmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_ECLFromNonModelledExposuresAndDebtSecuritiesMember" abstract="true" name="ECLFromNonModelledExposuresAndDebtSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_ManagementAdjustmentsMember" abstract="true" name="ManagementAdjustmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_EconomicUncertaintyAdjustmentsMember" abstract="true" name="EconomicUncertaintyAdjustmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_OtherAdjustmentsMember" abstract="true" name="OtherAdjustmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_AssetsByFunctionsAxis" abstract="true" name="AssetsByFunctionsAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="bcs_AssetsByFunctionsDomain" abstract="true" name="AssetsByFunctionsDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_AmericanAirlinesPortfolioMember" abstract="true" name="AmericanAirlinesPortfolioMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_CrossDefaultRiskMember" abstract="true" name="CrossDefaultRiskMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_BarclaysInvestmentBankMember" abstract="true" name="BarclaysInvestmentBankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_ImpairmentAllowanceIncludingLoanCommitmentsAndFinancialGuaranteeContractsPercentage" abstract="false" name="ImpairmentAllowanceIncludingLoanCommitmentsAndFinancialGuaranteeContractsPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="bcs_PostModelAdjustmentMember" abstract="true" name="PostModelAdjustmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_ECLFromAssetsClassifiedAsHeldForSaleAdjustmentMember" abstract="true" name="ECLFromAssetsClassifiedAsHeldForSaleAdjustmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_ECLFromOtherFinancialAssetsSubjectToImpairmentAdjustmentMember" abstract="true" name="ECLFromOtherFinancialAssetsSubjectToImpairmentAdjustmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_BaselineMember" abstract="true" name="BaselineMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_DownsideTwoMember" abstract="true" name="DownsideTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_BarclaysUkMember" abstract="true" name="BarclaysUkMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_BarclaysUSConsumerBankMember" abstract="true" name="BarclaysUSConsumerBankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_TotalNumberOfEconomicScenariosToCalculateECL" abstract="false" name="TotalNumberOfEconomicScenariosToCalculateECL" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bcs_StressHorizonPeriodECL" abstract="false" name="StressHorizonPeriodECL" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="bcs_WeightedExpectedCreditLossUpliftPercentage" abstract="false" name="WeightedExpectedCreditLossUpliftPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="bcs_DownsideOneMember" abstract="true" name="DownsideOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_UpsideTwoMember" abstract="true" name="UpsideTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_UpsideOneMember" abstract="true" name="UpsideOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_GrossDomesticProductEconomicVariableMember" abstract="true" name="GrossDomesticProductEconomicVariableMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_UnemploymentEconomicCoreVariableMember" abstract="true" name="UnemploymentEconomicCoreVariableMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_HousePriceIndexEconomicCoreVariableMember" abstract="true" name="HousePriceIndexEconomicCoreVariableMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_BankRateMember" abstract="true" name="BankRateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_FederalFundsRateMember" abstract="true" name="FederalFundsRateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_ScenarioProbabilityWeighting" abstract="false" name="ScenarioProbabilityWeighting" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="bcs_SpecificBasesMember" abstract="true" name="SpecificBasesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_A5YearAveragesMember" abstract="true" name="A5YearAveragesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_ECLFromNonModelledExposuresAndOthersMember" abstract="true" name="ECLFromNonModelledExposuresAndOthersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_ECLFromDebtSecuritiesAtAmortisedCostMember" abstract="true" name="ECLFromDebtSecuritiesAtAmortisedCostMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_ECLFromPostModelManagementAdjustmentsMember" abstract="true" name="ECLFromPostModelManagementAdjustmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_ECLFromPostModelManagementAdjustmentsEconomicUncertaintyAdjustmentsMember" abstract="true" name="ECLFromPostModelManagementAdjustmentsEconomicUncertaintyAdjustmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_TescoPersonalFinancePLCMember" abstract="true" name="TescoPersonalFinancePLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_BasisRiskMember" abstract="true" name="BasisRiskMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_SpreadRiskMember" abstract="true" name="SpreadRiskMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_InflationRiskMember" abstract="true" name="InflationRiskMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_PRATransitionalTierOneCapitalMember" abstract="true" name="PRATransitionalTierOneCapitalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_FullyLoadedCommonEquityTierOneCapitalMember" abstract="true" name="FullyLoadedCommonEquityTierOneCapitalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_TransitionalAtOneCapitalMember" abstract="true" name="TransitionalAtOneCapitalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_TierTwoCapitalInstrumentsMember" abstract="true" name="TierTwoCapitalInstrumentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_IneligibleT2CapitalMember" abstract="true" name="IneligibleT2CapitalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_EligibleLiabilitiesMember" abstract="true" name="EligibleLiabilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_AdjustmentToRetainedEarningsForForeseeableDividends" abstract="false" name="AdjustmentToRetainedEarningsForForeseeableDividends" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_AdjustmentToRetainedEarningsForForeseeableRepurchaseOfShares" abstract="false" name="AdjustmentToRetainedEarningsForForeseeableRepurchaseOfShares" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_AdjustmentToRetainedEarningsForForeseeableOtherEquityCoupons" abstract="false" name="AdjustmentToRetainedEarningsForForeseeableOtherEquityCoupons" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_AdditionalValueAdjustmentsPVA" abstract="false" name="AdditionalValueAdjustmentsPVA" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_ExcessOfExpectedLossesOverImpairment" abstract="false" name="ExcessOfExpectedLossesOverImpairment" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_DirectAndIndirectHoldingsByAnInstitutionOfOwnCET1Instruments" abstract="false" name="DirectAndIndirectHoldingsByAnInstitutionOfOwnCET1Instruments" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_AdjustmentUnderIFRS9TransitionalArrangements" abstract="false" name="AdjustmentUnderIFRS9TransitionalArrangements" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_QualifyingCapitalIncludingMinorityInterestsIssuedBySubsidiaries" abstract="false" name="QualifyingCapitalIncludingMinorityInterestsIssuedBySubsidiaries" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_OtherRegulatoryAdjustments" abstract="false" name="OtherRegulatoryAdjustments" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_PRATransitionalRegulatoryCapital" abstract="false" name="PRATransitionalRegulatoryCapital" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_RiskWeightedAssets1" abstract="false" name="RiskWeightedAssets1" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_BarclaysUKCorporateBankMember" abstract="true" name="BarclaysUKCorporateBankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_BarclaysPrivateBankAndWealthManagementMember" abstract="true" name="BarclaysPrivateBankAndWealthManagementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_OtherIncomeExpense" abstract="false" name="OtherIncomeExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_OperatingExpensesExcludingRegulatoryLeviesLitigationAndConduct" abstract="false" name="OperatingExpensesExcludingRegulatoryLeviesLitigationAndConduct" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_TransactionalBankingServicesMember" abstract="true" name="TransactionalBankingServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_ManagementAndAdvisoryServicesMember" abstract="true" name="ManagementAndAdvisoryServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_BrokerageCommissionsAndClientExecutionFeesMember" abstract="true" name="BrokerageCommissionsAndClientExecutionFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_UnderwritingSyndicationAndCommitmentFeesMember" abstract="true" name="UnderwritingSyndicationAndCommitmentFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_OtherFeesMember" abstract="true" name="OtherFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_EmployeeCompensationBonusExpense" abstract="false" name="EmployeeCompensationBonusExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_DeferredBonusCharges" abstract="false" name="DeferredBonusCharges" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_CommissionsAndOtherIncentives" abstract="false" name="CommissionsAndOtherIncentives" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_PerformanceCosts" abstract="false" name="PerformanceCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_StaffCompensationCosts" abstract="false" name="StaffCompensationCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_OtherResourcingCostsAbstract" abstract="true" name="OtherResourcingCostsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="bcs_OutsourcingCosts" abstract="false" name="OutsourcingCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_TemporaryStaffCosts" abstract="false" name="TemporaryStaffCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_OtherResourcingCosts" abstract="false" name="OtherResourcingCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_ResourcingCosts" abstract="false" name="ResourcingCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_GroupCompensationAsPercentageOfIncome" abstract="false" name="GroupCompensationAsPercentageOfIncome" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="bcs_InfrastructureCosts" abstract="false" name="InfrastructureCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_QualifyingAmericanDespositorySharesMember" abstract="true" name="QualifyingAmericanDespositorySharesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_NumberOfSharesComprisingOneAmericanDepositoryShare" abstract="false" name="NumberOfSharesComprisingOneAmericanDepositoryShare" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="bcs_HeldForTradingMember" abstract="true" name="HeldForTradingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_HeldForRiskManagementMember" abstract="true" name="HeldForRiskManagementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_EquityAndStockIndexAndCommodityDerivativesMember" abstract="true" name="EquityAndStockIndexAndCommodityDerivativesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_DerivativeFinancialAssetsMember" abstract="true" name="DerivativeFinancialAssetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_CashCollateralNettedMember" abstract="true" name="CashCollateralNettedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_DerivativeFinancialLiabilitiesMember" abstract="true" name="DerivativeFinancialLiabilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_DerivativeAssetExposures" abstract="false" name="DerivativeAssetExposures" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_DerivativeLiabilityExposures" abstract="false" name="DerivativeLiabilityExposures" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_NonCashCollateralReceivedSubjectToEnforceableMasterNettingArrangementsOrSimilarAgreementNotSetOffAgainstFinancialAssets" abstract="false" name="NonCashCollateralReceivedSubjectToEnforceableMasterNettingArrangementsOrSimilarAgreementNotSetOffAgainstFinancialAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_NonAssetBackedLoansMember" abstract="true" name="NonAssetBackedLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_SecuritiesAssetsBackedMember" abstract="true" name="SecuritiesAssetsBackedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_GovernmentAndGovernmentSponsoredDebtMember" abstract="true" name="GovernmentAndGovernmentSponsoredDebtMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_PrivateEquityInvestmentsMember" abstract="true" name="PrivateEquityInvestmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_IssuedDebtMember" abstract="true" name="IssuedDebtMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_ReverseRepurchaseAndRepurchaseAgreementsMember" abstract="true" name="ReverseRepurchaseAndRepurchaseAgreementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_OtherFinancialInstrumentsMember" abstract="true" name="OtherFinancialInstrumentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_FinancialInstrumentsAtFairValueCategoryMember" abstract="true" name="FinancialInstrumentsAtFairValueCategoryMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_FinancialInstrumentsAtAmortisedCostCategoryMember" abstract="true" name="FinancialInstrumentsAtAmortisedCostCategoryMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_BrokeredCertificatesOfDepositMember" abstract="true" name="BrokeredCertificatesOfDepositMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_IncreaseInFairValueMeasurementDueToChangeInOneOrMoreUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsAssetsLiabilities" abstract="false" name="IncreaseInFairValueMeasurementDueToChangeInOneOrMoreUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsAssetsLiabilities" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_DecreaseInFairValueMeasurementDueToChangeInOneOrMoreUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsAssetsLiabilities" abstract="false" name="DecreaseInFairValueMeasurementDueToChangeInOneOrMoreUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsAssetsLiabilities" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_FinancialAssetsAtFairValueThroughProfitOrLossCategoryTradingMember" abstract="true" name="FinancialAssetsAtFairValueThroughProfitOrLossCategoryTradingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_FinancialAssetsAtFairValueThroughProfitOrLossCategoryOtherIncomeMember" abstract="true" name="FinancialAssetsAtFairValueThroughProfitOrLossCategoryOtherIncomeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryTradingMember" abstract="true" name="FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryTradingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryOtherIncomeMember" abstract="true" name="FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryOtherIncomeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_NetAssetsLiabilitiesAtFairValueThroughProfitOrLossCategoryTradingIncomeMember" abstract="true" name="NetAssetsLiabilitiesAtFairValueThroughProfitOrLossCategoryTradingIncomeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_NetAssetsLiabilitiesAtFairValueThroughProfitOrLossCategoryOtherIncomeMember" abstract="true" name="NetAssetsLiabilitiesAtFairValueThroughProfitOrLossCategoryOtherIncomeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_DerivativesNettingMember" abstract="true" name="DerivativesNettingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_ReconciliationOfChangesInFairValueMeasurementAssetsLiabilitiesAbstract" abstract="true" name="ReconciliationOfChangesInFairValueMeasurementAssetsLiabilitiesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="bcs_PurchasesFairValueMeasurementAssetsLiabilitiesNet" abstract="false" name="PurchasesFairValueMeasurementAssetsLiabilitiesNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_SalesFairValueMeasurementAssetsLiabilitiesNet" abstract="false" name="SalesFairValueMeasurementAssetsLiabilitiesNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_IssuesFairValueMeasurementAssetsLiabilitiesNet" abstract="false" name="IssuesFairValueMeasurementAssetsLiabilitiesNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_SettlementsFairValueMeasurementAssetsLiabilitiesNet" abstract="false" name="SettlementsFairValueMeasurementAssetsLiabilitiesNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssetsLiabilitiesNet" abstract="false" name="GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssetsLiabilitiesNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_GainsLossesRecognisedInOtherComprehensiveIncomeIncludingExchangeDifferencesFairValueMeasurementAssetsLiabilities" abstract="false" name="GainsLossesRecognisedInOtherComprehensiveIncomeIncludingExchangeDifferencesFairValueMeasurementAssetsLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_TransfersIntoLevel3OfFairValueHierarchyAssetsLiabilitiesNet" abstract="false" name="TransfersIntoLevel3OfFairValueHierarchyAssetsLiabilitiesNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_TransfersOutOfLevel3OfFairValueHierarchyAssetsLiabilitiesNet" abstract="false" name="TransfersOutOfLevel3OfFairValueHierarchyAssetsLiabilitiesNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_OtherFinancialAssetsAndLiabilitiesGroupOneMember" abstract="true" name="OtherFinancialAssetsAndLiabilitiesGroupOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_IncreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInProfitOrLossAfterTaxAssetsLiabilities" abstract="false" name="IncreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInProfitOrLossAfterTaxAssetsLiabilities" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_IncreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInOCIAfterTaxAssetsLiabilities" abstract="false" name="IncreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInOCIAfterTaxAssetsLiabilities" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_DecreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInProfitOrLossAfterTaxAssetsLiabilities" abstract="false" name="DecreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInProfitOrLossAfterTaxAssetsLiabilities" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_DecreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInOCIAfterTaxAssetsLiabilities" abstract="false" name="DecreaseInFairValueMeasurementDueToChangeInMultipleUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsRecognisedInOCIAfterTaxAssetsLiabilities" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_ExitPriceAdjustmentsDerivedFromMarketBidOfferSpreadsMember" abstract="true" name="ExitPriceAdjustmentsDerivedFromMarketBidOfferSpreadsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_UncollateralisedDerivativeFundingMember" abstract="true" name="UncollateralisedDerivativeFundingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_DerivativeCreditValuationAdjustmentsMember" abstract="true" name="DerivativeCreditValuationAdjustmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_DerivativeDebitValuationAdjustmentsMember" abstract="true" name="DerivativeDebitValuationAdjustmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_AccumulatedFairValueHedgeAdjustmentOnHedgedItemIncludedInCarryingAmountAssetsLiabilities" abstract="false" name="AccumulatedFairValueHedgeAdjustmentOnHedgedItemIncludedInCarryingAmountAssetsLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_OtherRepaymentsProceedsOfBorrowingsClassifiedAsFinancingActivities" abstract="false" name="OtherRepaymentsProceedsOfBorrowingsClassifiedAsFinancingActivities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_BarclaysBankPLCSubsidiaryMember" abstract="true" name="BarclaysBankPLCSubsidiaryMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_BarclaysSecuritizationSPVMember" abstract="true" name="BarclaysSecuritizationSPVMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_A6.174FixedRateResettingSubordinatedCallableNotesGBPMember" abstract="true" name="A6.174FixedRateResettingSubordinatedCallableNotesGBPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_A1.125FixedRateResettingSubordinatedCallableNotesEURMember" abstract="true" name="A1.125FixedRateResettingSubordinatedCallableNotesEURMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_A5.200FixedRateResettingSubordinatedCallableNotesUSDMember" abstract="true" name="A5.200FixedRateResettingSubordinatedCallableNotesUSDMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_FloatingRateNotesZARMember" abstract="true" name="FloatingRateNotesZARMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_JuniorSecuritisationNotesGBPMember" abstract="true" name="JuniorSecuritisationNotesGBPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_OtherCustomerRedressMember" abstract="true" name="OtherCustomerRedressMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_UndrawnContractuallyCommittedFacilitiesAndGuaranteesMember" abstract="true" name="UndrawnContractuallyCommittedFacilitiesAndGuaranteesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_BarclaysBankPlcMember" abstract="true" name="BarclaysBankPlcMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_NumberOfSectionsOfTheUKRetirementFundUKRF" abstract="false" name="NumberOfSectionsOfTheUKRetirementFundUKRF" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bcs_OtherReservesAndTreasurySharesMember" abstract="true" name="OtherReservesAndTreasurySharesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_CommitmentsAndContingentLiabilitiesAxis" abstract="true" name="CommitmentsAndContingentLiabilitiesAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="bcs_ContingentLiabilitiesAndFinancialGuaranteesDomain" abstract="true" name="ContingentLiabilitiesAndFinancialGuaranteesDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_TotalCommitmentsAndContingentLiabilitiesMember" abstract="true" name="TotalCommitmentsAndContingentLiabilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_GuaranteesAndLettersOfCreditPledgedAsCollateralSecurityMember" abstract="true" name="GuaranteesAndLettersOfCreditPledgedAsCollateralSecurityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_PerformanceGuaranteesAcceptancesAndEndorsementsMember" abstract="true" name="PerformanceGuaranteesAcceptancesAndEndorsementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_DocumentaryCreditsAndOtherShortTermTradeRelatedTransactionsMember" abstract="true" name="DocumentaryCreditsAndOtherShortTermTradeRelatedTransactionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_StandbyFacilitiesCreditLinesAndOtherCommitmentsMember" abstract="true" name="StandbyFacilitiesCreditLinesAndOtherCommitmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_CivilActionsInRespectOfUSDLIBORMember" abstract="true" name="CivilActionsInRespectOfUSDLIBORMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_USResidentialAndCommercialMortgageRelatedActivityAndLitigationMember" abstract="true" name="USResidentialAndCommercialMortgageRelatedActivityAndLitigationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_CivilActionsInRespectOfVRDOPrivatePlaintiffsMember" abstract="true" name="CivilActionsInRespectOfVRDOPrivatePlaintiffsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_BdcFinanceLlcMember" abstract="true" name="BdcFinanceLlcMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_CivilActionsInRespectOfTheUSAntiTerrorismActMember" abstract="true" name="CivilActionsInRespectOfTheUSAntiTerrorismActMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_CivilActionsInRespectOfTheUSAntiTerrorismActEDNYMember" abstract="true" name="CivilActionsInRespectOfTheUSAntiTerrorismActEDNYMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_CivilActionsInRespectOfTheUSAntiTerrorismActSDNYMember" abstract="true" name="CivilActionsInRespectOfTheUSAntiTerrorismActSDNYMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_HmRevenueCustomsHmrcAssessmentsConcerningUkValueAddedTaxMember" abstract="true" name="HmRevenueCustomsHmrcAssessmentsConcerningUkValueAddedTaxMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_OriginatedAndSoldToThirdPartiesByAcquiredSubsidiaryMember" abstract="true" name="OriginatedAndSoldToThirdPartiesByAcquiredSubsidiaryMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_RmbsRepurchaseRequestsMember" abstract="true" name="RmbsRepurchaseRequestsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_MotorFinanceCommissionArrangementsMember" abstract="true" name="MotorFinanceCommissionArrangementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bcs_NumberOfLawsuitsWithSpecifiedDamagesSought" abstract="false" name="NumberOfLawsuitsWithSpecifiedDamagesSought" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bcs_LitigationSettlementsApprovedValue" abstract="false" name="LitigationSettlementsApprovedValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_NumberOfPlaintiffs" abstract="false" name="NumberOfPlaintiffs" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bcs_NumberOfLawsuitsDismissed" abstract="false" name="NumberOfLawsuitsDismissed" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bcs_NumberOfLawsuitsSubjectToAppeal" abstract="false" name="NumberOfLawsuitsSubjectToAppeal" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bcs_NumberOfLawsuitsConsolidatedIntoASeparateLawsuit" abstract="false" name="NumberOfLawsuitsConsolidatedIntoASeparateLawsuit" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bcs_NumberOfSeparateLawsuits" abstract="false" name="NumberOfSeparateLawsuits" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bcs_NumberOfInitialLawsuitsAmended" abstract="false" name="NumberOfInitialLawsuitsAmended" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bcs_NumberOfBanksClaimsAgainst" abstract="false" name="NumberOfBanksClaimsAgainst" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bcs_ProvisionsAnnualCompensatoryInterest" abstract="false" name="ProvisionsAnnualCompensatoryInterest" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="bcs_NumberOfLegalChallenges" abstract="false" name="NumberOfLegalChallenges" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bcs_LossContingencyDamagesSoughtClaimedAmountsValue" abstract="false" name="LossContingencyDamagesSoughtClaimedAmountsValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_NumberOfOverseasSubsidiariesDeniedVATGroupingByHMRC" abstract="false" name="NumberOfOverseasSubsidiariesDeniedVATGroupingByHMRC" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bcs_NetAssetsLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale" abstract="false" name="NetAssetsLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleTable" abstract="true" name="DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="bcs_DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleLineItems" abstract="true" name="DisclosureOfAssetsAndLiabilitiesClassifiedAsHeldForSaleLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
</xs:schema>
