Customer deposits
Customer Deposits Net
The amount of net customer deposits.
Fair value of acquired receivables
Fair value of acquired receivables
Disclosure of contingent liabilities [line items]
Disclosure of contingent liabilities [line items]
Interest expense and similar charges
Interest expense and similar charges
Interest expense
Change
Increase (decrease) due to voluntary changes in accounting policy [member]
Net movement in the period, ECL
Increase Decrease In Total Expected Credit Losses
Increase decrease in total expected credit losses.
Disclosure Of Repurchase Agreements [Abstract]
Disclosure Of Repurchase Agreements
Disclosure of detailed information about business combination [line items]
Disclosure of detailed information about business combination [line items]
Dividends paid
Dividends paid, ordinary shares
Loans and advances to banks
Loans and advances to banks
Net impact on purchase price allocation
Purchase Price Allocation, Impact [Member]
Purchase Price Allocation, Impact
Levels of fair value hierarchy [domain]
Levels of fair value hierarchy [domain]
Inter-segment (expense)/revenue
Elimination of intersegment amounts [member]
Net defined benefit liability (asset) [axis]
Net defined benefit liability (asset) [axis]
Covered bonds redeemed
Covered Bonds Redeemed
Covered Bonds Redeemed
Summary of Other Financial Assets at Fair Value Through Profit or Loss
Disclosure of financial instruments designated at fair value through profit or loss [text block]
Deferred tax liabilities
Deferred tax liabilities recognised as of acquisition date
Number of structured entities
Number Of Structured Entities
Number Of Structured Entities
Other non-deductible costs and non-taxable income
Other tax effects for reconciliation between accounting profit and tax expense (income)
Purchase of financial assets at amortised cost and financial assets at FVOCI
Purchase of financial instruments, classified as investing activities
Change in accounting policy
Disclosure of changes in accounting policies [text block]
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Mortgage-backed master trust structures:
Master Trust Structures [member]
Master trust structures.
Intangible assets
Intangible assets and goodwill
Intercompany balances (including joint ventures)
Payables to related parties
Statement of comprehensive income [abstract]
Statement of comprehensive income [abstract]
Statement of changes in equity [line items]
Statement of changes in equity [line items]
Issue of debt securities and subordinated notes
Proceeds from issue of bonds, notes and debentures
Structured deposits
Structured Deposits [Member]
3c02f63d-79d8-f323-d771-bbaef2351358
Other financial assets at FVTPL
Financial assets at fair value through profit or loss, category [member]
Statement of financial position [abstract]
Statement of financial position [abstract]
OPERATING EXPENSES BEFORE CREDIT IMPAIRMENT CHARGES, RESTRUCTURING AND SPECIFIC PROVISIONS
Disclosure of expenses [text block]
Other operating income
Other operating income (expense)
Cover [Abstract]
Cover [Abstract]
Defined benefit plans [axis]
Defined benefit plans [axis]
Exposures
Total Exposure [Member]
Total exposure.
Provisions released
Unused provision reversed, other provisions
Disclosure Of Reserve Repurchase Agreements Non-Trading [Table]
Disclosure Of Reserve Repurchase Agreements Non-Trading [Table]
Disclosure of reserve repurchase agreements non-trading [table]
Classes of intangible assets other than goodwill [axis]
Classes of intangible assets other than goodwill [axis]
Derivative financial instruments
Derivative Financial Liabilities Recognised As Of Acquisition Date
Derivative Financial Liabilities Recognised As Of Acquisition Date
Disclosure of sensitivity analysis for actuarial assumptions [table]
Disclosure of sensitivity analysis for actuarial assumptions [table]
Derivative assets
Derivative Assets [member]
Derivative assets for financial assets.
Guarantees and formal standby facilities, credit lines and other commitments
Estimated Financial Effect Of Contingent Liabilities And Commitments
Estimated financial effect of contingent liabilities and commitments.
Summary of Principal Actuarial Assumptions Used for Defined Benefit Schemes
Disclosure Of Defined Benefit Plan Actuarial Assumptions [Table Text Block]
Disclosure Of Defined Benefit Plan Actuarial Assumptions
- £410m Perpetual Capital Securities
Four Hundred and Ten Million Perpetual Capital Securities [Member]
Four Hundred and Ten Million Perpetual Capital Securities
Share premium
Share premium
Transfers out of Level 2 into Level 1 of fair value hierarchy, assets
Transfers out of Level 2 into Level 1 of fair value hierarchy, assets held at end of reporting period
Cash flows from financing activities
Cash flows from (used in) financing activities [abstract]
Classes of liabilities [domain]
Classes of liabilities [domain]
Pension remeasurement
Decrease (increase) in net defined benefit liability (asset) resulting from gain (loss) on remeasurement in other comprehensive income
Disclosure of detailed information about property, plant and equipment [table]
Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [table]
Total comprehensive income
Comprehensive income
Credit Risk
Disclosure of credit risk [text block]
Impairment losses on financial assets at FVOCI
Credit Impairment Losses On Financial Assets At FVOCI
Credit impairment losses on financial assets at FVOCI.
Summary of Net Assets Recognised
Disclosure of net defined benefit liability (asset) [text block]
Basis of preparation and accounting developments
Disclosure of basis of preparation of financial statements [text block]
Document Fiscal Period Focus
Document Fiscal Period Focus
Non-interest income/(expense)
Non Interest Income (Expense)
Non interest income expense.
Total assets
Beginning balance
Ending Balance
Assets
Tier 2 capital
Tier Two Capital Amount
Tier Two Capital Amount
Repurchase agreements - non-trading
Repurchase agreements and cash collateral on securities lent
AXA France
AXA France [Member]
AXA France
Disclosure of Base Expected Credit Losses to Probability Weighted Estimated Credit Losses
Disclosure Of Base Expected Credit Losses To Probability Weighted Estimated Credit Losses [Table Text Block]
The disclosure of base expected credit losses to probability weighted estimated credit losses.
Assets
Financial Assets [Abstract]
Financial Assets
Derivative financial instruments
Derivative Financial Instrument Recognised As Of Acquisition Date
Derivative Financial Instrument Recognised As Of Acquisition Date
Operating expenses before credit impairment charges, restructuring and specific provisions
Operating expenses before credit impairment charges, restructuring and specific provisions
Total operating expenses before impairment losses, provisions and charges
Operating Expenses Before Credit Impairment (Charges)/Write-Backs, Restructuring And Specific Provisions
Operating Expenses Before Credit Impairment (Charges)/Write-Backs, Restructuring And Specific Provisions
Non-equity securities purchased
Business Combination Consideration Transferred AT1 Securities And Other
Business Combination Consideration Transferred AT1 Securities And Other
Financial assets at fair value through profit or loss
Financial assets at fair value through profit or loss
Regulatory fees and levies
Regulatory Fees And Levies
Regulatory Fees And Levies
Share capital
Issued capital [member]
Classes of other provisions [domain]
Classes of other provisions [domain]
Losses on litigation settlements
Losses on litigation settlements
ECL on undrawn facilities and guarantees
ECL On Undrawn Facilities And Guarantees [Member]
ECL On Undrawn Facilities And Guarantees
Securitisation By Program Name [Domain]
Securitisation By Program Name [Domain]
Securitisation By Program Name [domain]
Stage 2
Stage Two Expected Credit Loss [Member]
Stage two expected credit loss.
Undated subordinated liabilities
Undated subordinated liabilities
Cost of hedging
Reserve of change in value of time value of options [member]
Tax calculated at the statutory rate of 25% (H1-25: 25%)
Tax expense (income) at applicable tax rate
Core deposit intangibles
Core Deposit Intangibles [Member]
Core Deposit Intangibles
TSB
TSB [Member]
TSB
Other financial assets at amortised cost
Other Financial Assets At Amortised Cost Recognised As Of Acquisition Date
Other Financial Assets At Amortised Cost Recognised As Of Acquisition Date
Assets
Assets [abstract]
Right-of-use assets
Right-of-use assets [member]
TSB Covered Bonds (LM)
TSB Covered Bonds (LM) [Member]
TSB Covered Bonds (LM)
Business Combination, Fair Value Measurement [Domain]
Business Combination, Fair Value Measurement [Domain]
Business Combination, Fair Value Measurement [Domain]
Derivative financial instruments
Derivative Financial Instruments [Member]
bc51539f-bbe6-8f2b-ee4e-bbaef1cf9127
Euro €35bn Global Covered Bond Programme
Euro Thirty Five Billion Global Covered Bond Programme [Member]
Euro thirty five billion global covered bond programme.
Loan loss allowance
Allowance Account For Credit Losses Of Financial Assets For Loans And Advances To Customers
Allowance Account For Credit Losses Of Financial Assets For Loans And Advances To Customers
Cash flow hedges:
Cash flow hedges [abstract]
Equity index linked deposits
Equity Index Linked Deposits [Member]
Equity index linked deposits.
Additions
Additions other than through business combinations, property, plant and equipment including right-of-use assets
Cash and balances at central banks
Cash and cash equivalents acquired
Cash and cash equivalents recognised as of acquisition date
Gain (loss) on repurchase of subordinated liabilities
Gain (Loss) On Repurchase Of Subordinated Liabilities
Gain (Loss) On Repurchase Of Subordinated Liabilities
TAXATION
Disclosure of income tax [text block]
Acquisition of business
Acquisitions through business combinations, property, plant and equipment including right-of-use assets
Derivatives held for trading:
Derivatives Held For Trading [Member]
Derivatives Held For Hedging [Member]
Downside 2
Downside Two Scenario [Member]
Downside two.
US $20bn Commercial Paper Programmes
US Dollar Twenty Billion Commercial Paper Programmes [Member]
US Dollar Twenty Billion Commercial Paper Programmes
Disclosure Of Securitisations And Covered Bonds [Line Items]
Disclosure Of Securitisations And Covered Bonds [Line Items]
Disclosure of securitisations and covered bonds line items.
Other item, debit balances in other current payables
Debit Balances in Other Current Payables
Debit Balances in Other Current Payables
Schedule of Tax on Profit Before Tax Differs from Theoretical Amount that Arise Using Basic Corporation Tax Rate
Disclosure Of Reconciliation Of Charge Resulting From Applying UK Corporation Tax Rate Explanatory [Table Text Block]
Disclosure of reconciliation of charge resulting from applying UK corporation tax rate.
Disclosure Of Deposits From Banks [Table]
Disclosure Of Deposits From Banks [table]
Disclosure Of Deposits From Banks [table]
Disclosure of impairment loss and reversal of impairment loss [table]
Disclosure of impairment loss and reversal of impairment loss [table]
CREDIT IMPAIRMENT CHARGES
Disclosure Of Impairment Charges On Financial Assets Explanatory [Text Block]
Disclosure Of Impairment Charges On Financial Assets Explanatory
Computer software
Computer software [member]
Credit impairment of financial instruments [axis]
Credit impairment of financial instruments [axis]
Amounts due to other Santander UK Group Holdings plc subsidiaries
Amounts Due To Santander UK Subsidiaries [Member]
fb748f7c-9622-7cc6-607e-bbaef20842a7
Disclosure of operating expenses before credit impairment restructuring and specific provisions
Disclosure Of Operating Expenses Before Credit Impairment, Restructuring And Specific Provisions [Table Text Block]
Disclosure Of Operating Expenses Before Credit Impairment, Restructuring And Specific Provisions
Securitisations and covered bonds redeemed
Securitisations And Covered Bonds Redeemed
Securitisations And Covered Bonds Redeemed
Disclosure of Voluntary change in Accounting Policy
Disclosure of voluntary change in accounting policy [text block]
Disclosure of impairment loss and reversal of impairment loss [line items]
Disclosure of impairment loss and reversal of impairment loss [line items]
Depreciation, amortisation and impairment
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss
POCI
POCI Expected Credit Loss, Netting [Member]
POCI Expected Credit Loss
Cash flows from investing activities
Cash flows from (used in) investing activities [abstract]
Net cash flow from acquisition of TSB
Net Cash Flow From Acquisition
Net Cash Flow From Acquisition
Disclosure Of Assets Pledged As Security [Table]
Disclosure Of Assets Pledged As Security [Table]
Disclosure of assets pledged as security [table]
Summary of Reconciliation of Fair Value Measurement in Level 3 of the Fair Value Hierarchy
Reconciliation Of Fair Value Measurements In Level Three Of The Fair Value Hierarchy [Table Text Block]
Reconciliation of fair value measurements in level 3 of the fair value hierarchy.
Subordinated liabilities
Subordinated Liabilities Recognised As Of Acquisition Date
Subordinated Liabilities Recognised As Of Acquisition Date
Disclosure of net defined benefit liability (asset) [abstract]
Disclosure of net defined benefit liability (asset) [abstract]
Consideration paid (received), TNAV variation
Consideration Paid (Received), TNAV Variation
Consideration Paid (Received), TNAV Variation
Dividends On Ordinary Shares [abstract]
Dividends On Ordinary Shares [Abstract]
Dividends on ordinary shares.
Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [abstract]
Classes of property, plant and equipment [axis]
Classes of property, plant and equipment [axis]
Non-cash items included in profit
Adjustments to reconcile profit (loss)
Classes of property, plant and equipment [domain]
Classes of property, plant and equipment [domain]
Actuarial assumptions [domain]
Actuarial assumptions [domain]
Debt Securities In Issue [Line Items]
Debt Securities In Issue [line items]
Debt securities in issue.
Securitisation By Program Name [Axis]
Securitisation By Program Name [Axis]
Securitisation By Program Name [Axis]
Cash paid for ordinary shares
Cash Paid For Ordinary Shares
Cash Paid For Ordinary Shares
Interests in other entities
Investments in joint ventures accounted for using equity method
Effects of exchange rate changes on cash and cash equivalents
Effect of exchange rate changes on cash and cash equivalents
Derivative Instruments [Domain]
Derivative Instruments [Domain]
Derivative Instruments [Domain]
Issuance costs of debt securities and subordinated notes
Payments for debt issue costs
Sensitivity analysis for fair value measurement reasonably possible change
Sensitivity Analysis For Fair Value Measurement Reasonably Possible Change
Sensitivity Analysis For Fair Value Measurement Reasonably Possible Change
Percentage of reasonably possible increase in actuarial assumption
Percentage of reasonably possible increase in actuarial assumption
(Loss) on plan assets (excluding amounts included in net interest expense)
Decrease (increase) in net defined benefit liability (asset) resulting from return on plan assets excluding interest income or expense
Debt securities in issue
Debt securities
Debt instruments issued
OTHER FINANCIAL LIABILITIES AT FAIR VALUE THROUGH PROFIT OR LOSS
Disclosure Of Other Financial Liabilities At Fair Value Through Profit Or Loss [Text Block]
Disclosure of other financial liabilities at fair value through profit or loss.
Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets
Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [text block]
Summary of Debt Securities in Issue
Disclosure Of Debt Securities In Issue [Table Text Block]
Disclosure of debt securities in issue.
Changes in risk parameters and other movements
Increase (decrease) through other movements, financial assets
Disclosure of credit impairment loss and provisions [abstract]
Disclosure Of Credit Impairment Loss And Provisions [Abstract]
Disclosure of credit impairment loss and provisions.
Disclosure of significant accounting policies [Abstract]
Disclosure Of Significant Accounting Policies [Abstract]
Disclosure Of Significant Accounting Policies
Number of employees at risk for redundancy
Number Of Employees At Risk For Redundancy
Number Of Employees At Risk For Redundancy
Decrease in operating expenses
Increase (Decrease) In Operating Expenses
Increase (Decrease) In Operating Expenses
Intercompany balances (including joint ventures)
Receivables due from related parties
Corporation taxes paid
Income taxes paid, classified as operating activities
Consideration paid (received)
Consideration paid (received)
Levels of fair value hierarchy [axis]
Levels of fair value hierarchy [axis]
Disclosure Of Fair Value Measurements Of Assets And Liabilities [Line Items]
Disclosure Of Fair Value Measurements Of Assets And Liabilities [Line Items]
Disclosure of fair value measurements of assets and liabilities.
FV Adjustments
Fair Value Adjustment [Member]
Fair Value Adjustment
Total capital
Regulatory Capital
Regulatory capital.
Transfers out of Level 2 into Level 1 of fair value hierarchy, liabilities
Transfers out of Level 2 into Level 1 of fair value hierarchy, liabilities held at end of reporting period
Certificates of deposit
Certificate Of Deposit [Member]
Certificate of deposit.
Disclosure of credit risk exposure [table]
Disclosure of credit risk exposure [table]
ACCOUNTING POLICIES
Disclosure of material accounting policy information [text block]
Increase (decrease) in defined benefit obligation
Increase (decrease) in defined benefit obligation due to reasonably possible increase in actuarial assumption
Schedule of Deposits by Customers
Disclosure Of Detailed Information About Deposits From Customers [Table Text Block]
Disclosure of detailed information about deposits from customers.
Other liabilities
Other liabilities
Summary of Net Loans and Advances to Customers
Disclosure Of Net Loans And Advances To Customers [Table Text Block]
Disclosure of Loans and advances to customers less impairment losses.
Loans and advances to customers
Exposure
Net loans and advances to customers
Loans and advances to customers
- Males
Longevity For Current Pensioners Males One
Longevity for current pensioners males one.
Summary of Contingent Liabilities and Commitments
Disclosure Of Commitments Contingent Liabilities And Guarantees [Table Text Block]
The disclosure of commitments contingent liabilities and guarantees.
- Remeasurements of the net defined benefit (asset)/liability
Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans
Redundancy provision
Redundancy Provision [Member]
Redundancy Provision
- Taxation
Income tax relating to remeasurements of defined benefit plans included in other comprehensive income
Debt securities in issue
Debt Securities Recognised As Of Acquisition Date
Debt Securities Recognised As Of Acquisition Date
Increase in note issuances available for creating collateral
Increase In Note Issuances Available For Creating Collateral
Increase In Note Issuances Available For Creating Collateral
Entity Central Index Key
Entity Central Index Key
Net other comprehensive (expense)/income that may be reclassified to profit or loss subsequently
Other comprehensive income that will be reclassified to profit or loss, net of tax
Disclosure Of Reserve Repurchase Agreements Non-Trading [Line Items]
Disclosure Of Reserve Repurchase Agreements Non-Trading [Line Items]
Disclosure of reserve repurchase agreements non-trading [line items]
- Credit risk adjustment
Credit Risk Adjustments [Member]
Credit risk adjustment.
Profit (loss) of combined entity as if combination occurred at beginning of period
Profit (loss) of combined entity as if combination occurred at beginning of period
Deferred tax assets
Deferred tax assets recognised as of acquisition date
- Effective portion of changes in fair value
Gains (losses) on cash flow hedges, before tax
Net assets (liabilities) [abstract]
Net assets (liabilities) [abstract]
Net interest income
Net interest income
Interest income (expense)
Property provisions
Property Provisions [Member]
Property Provisions
Reverse repurchase agreements - non-trading
Reverse repurchase agreements - non-trading
Reverse repurchase agreements and cash collateral on securities borrowed
Fair Value Adjustments, Classification [Axis]
Fair Value Adjustments, Classification [Axis]
Fair Value Adjustments, Classification
Fosse
Fosse [Member]
Fosse.
Method of assessment of expected credit losses [axis]
Method of assessment of expected credit losses [axis]
Summary of Relationship Between Customer Liabilities and Deposits
Summary Of Relationship Between Customer Liabilities And Deposits [Table Text Block]
Summary Of Relationship Between Customer Liabilities And Deposits
Other items
Other current receivables
Gross contractual amounts receivable for acquired receivables
Gross contractual amounts receivable for acquired receivables
Assets recognised in entity's financial statements in relation to structured entities
Gross assets charged as security for liabilities
Assets recognised in entity's financial statements in relation to structured entities
Key Assumption Applied [Domain]
Key Assumption Applied [Domain]
Key Assumption Applied [Domain]
Deferred tax liabilities
Net deferred tax liabilities
Credit linked notes
Credit Linked Notes Issued
Credit linked notes issued.
Disclosure of deposits from banks [abstract]
Disclosure Of Deposits From Banks [Abstract]
Disclosure of deposits from banks.
Transfers out of Level 1 into Level 2 of fair value hierarchy, assets
Transfers out of Level 1 into Level 2 of fair value hierarchy, assets held at end of reporting period
OTHER FINANCIAL ASSETS AT AMORTISED COST
Disclosure Of Other Financial Assets At Amortised Cost [Text Block]
Disclosure of other financial assets at amortised cost explanatory.
Purchase of property, plant and equipment and intangible assets
Purchase of property, plant and equipment, intangible assets other than goodwill, investment property and other non-current assets
Disclosure of cash flow from acquisition
Disclosure Of Cash Flow From Acquisition [Table Text Block]
Disclosure Of Cash Flow From Acquisition
Disclosure Of Regulatory Capital Resources [Line Items]
Disclosure Of Regulatory Capital Resources [Line Items]
Disclosure of regulatory capital resources.
Intercompany balances (including joint ventures)
Intercompany Including Joint Ventures [Member]
Intercompany Including Joint Ventures
PROVISIONS
Disclosure of provisions [text block]
Statement of cash flows [abstract]
Statement of cash flows [abstract]
Disclosure of financial assets [table]
Disclosure of financial assets [table]
Type of measurement of expected credit losses [axis]
Type of measurement of expected credit losses [axis]
Counterparty Name [Domain]
Counterparty Name [Domain]
Disclosure of Notional Amounts and Fair Values of Derivatives
Disclosure Of Notional And Fair Value Amounts Of Derivative Financial Instruments [Table Text Block]
Disclosure of notional amounts and fair values of derivative financial instruments.
Defined benefit expense
Post-employment benefit expense in profit or loss, defined benefit plans
Repayment of debt securities and subordinated notes
Repayments of bonds, notes and debentures
Disclosure Of Deposits From Customers [Line Items]
Disclosure Of Deposits From Customers [Line Items]
Disclosure of deposits from customers.
- Change in fair value
Other comprehensive income, before tax, change in fair value of financial liability attributable to change in credit risk of liability
Issuances And Redemptions Of Securitisation And Covered Bond [Table]
Issuances And Redemptions Of Securitisation And Covered Bond [table]
Issuances and redemption of securitisation and covered bonds.
Securitisations and covered bonds issued
Securitisations And Covered Bonds Issued
Securitisations And Covered Bonds Issued
Net movement in the period
Increase (Decrease) In Total Financial Assets
Increase (decrease) in total financial assets.
Mortality
Actuarial assumption of mortality rates [member]
Financial liabilities at fair value through profit or loss, designated upon initial recognition or subsequently, category
Financial liabilities at fair value through profit or loss, designated upon initial recognition or subsequently, category [member]
Restructuring and specific provisions
Restructuring And Specific Provisions
Restructuring And Specific Provisions
Disclosure of fair value measurement of assets [line items]
Disclosure of fair value measurement of assets [line items]
Other comprehensive income:
Other comprehensive income, net of tax:
Other comprehensive income [abstract]
- Taxation
Income tax relating to cash flow hedges included in other comprehensive income
Types Of Branches [Domain]
Types Of Branches [Domain]
Types Of Branches [Domain]
Repurchase Agreements - Non Trading
Detailed Disclosure Of Repurchase Agreements Non-Trading [Table Text Block]
Detailed disclosure of repurchase agreements non-trading.
Financial liabilities at fair value
Financial liabilities at fair value, class [member]
- General salary increase
Actuarial assumption of expected rates of salary increases
Transfers from Stage 3
Increase Decrease Through Transfers From Stage Three Financial Assets
Increase decrease through transfers from stage 3 financial assets
Issue of ordinary share capital
Proceeds from issue of ordinary shares
Classes of contingent liabilities [domain]
Classes of contingent liabilities [domain]
- Income statement transfers
Reclassification adjustments on financial assets measured at fair value through other comprehensive income, before tax
Classes of financial liabilities [axis]
Classes of financial liabilities [axis]
Classes of financial liabilities [domain]
Classes of financial liabilities [domain]
Disclosure of other provisions [line items]
Disclosure of other provisions [line items]
Other comprehensive income, net of tax, change in value of time value of options
- Cost of hedging
Other comprehensive income, net of tax, change in value of time value of options
Net cash flow from acquisition of TSB Banking Group plc
Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities
UK&I Banks
UK&I Banks [Member]
UK&I Banks
Items in the course of transmission
Items In Course Of Transmission [Member]
Items in course of transmission [member]
Debt securities and other debt instruments
Debt Securities And Other Debt Instruments [Member]
Debt Securities And Other Debt Instruments
Operating lease assets
Property, plant and equipment subject to operating leases [member]
Investments accounted for using equity method [abstract]
Investments accounted for using equity method [abstract]
- Discount rate for scheme liabilities
Actuarial assumption of discount rates
Summary of Other Financial Liabilities at Fair Value Through Profit or Loss
Disclosure Of Other Financial Liabilities At Fair Value Through Profit Or Loss Explanatory [Table Text Block]
Disclosure of other financial liabilities at fair value through profit or loss explanatory.
Summary of Impairment Losses and Provisions
Disclosure Of Detailed Information Of Impairment Charges And Provisions [Table Text Block]
The disclosure of impairment loss, the reversal of impairment loss and provisions.
Disclosure Of Other Financial Liabilities At Fair Value Through Profit Or Loss [Line Items]
Disclosure Of Other Financial Liabilities At Fair Value Through Profit Or Loss [Line Items]
Disclosure of other financial liabilities at fair value through profit or loss [line items]
Weighted
Weighted Scenario [Member]
7a176e17-4bbb-74d5-8610-bbaef22de075
Other liabilities
Other Liabilities Recognised As Of Acquisition Date
Other Liabilities Recognised As Of Acquisition Date
Share capital
Issued capital
Financial assets at fair value through other comprehensive income
Financial assets at fair value through other comprehensive income
SUBORDINATED LIABILITIES
Disclosure of subordinated liabilities [text block]
INTANGIBLE ASSETS
Disclosure of intangible assets and goodwill [text block]
Fair value movements
Gains (losses) recognised in profit or loss including exchange differences, fair value measurement, assets
Categories of financial assets [axis]
Categories of financial assets [axis]
Pension remeasurement:
Pension Remeasurement [Abstract]
Pension remeasurement [abstract]
Technology-based intangible assets recognised as of acquisition date
Technology-based intangible assets recognised as of acquisition date
Deposits by customers
Deposits By Customers [Member]
Deposits by customers.
Fraud losses
Fraud Loss [Member]
Fraud Loss
NII sensitivity (reviewed)
Increase (Decrease) In Net Interest Income If Affected By Basis Point Parallel Shift
Increase (Decrease) In Net Interest Income If Affected By Basis Point Parallel Shift
Amounts due to Santander UK Group Holdings plc
Amounts Due To Santander UK Group Holdings Plc [Member]
Amounts Due To Santander UK Group Holdings Plc
Senior unsecured debt securities
Senior Unsecured Debt Securities [Member]
Senior Unsecured Debt Securities
Financial liabilities
Total financial liabilities
Financial liabilities
Customer loans
Customer Loans Net
The amount of net customer loans.
Tax on profit
Tax on profit
Tax on profit
Tax expense (income)
Disclosure of other provisions [abstract]
Disclosure of other provisions [abstract]
EVENTS AFTER THE BALANCE SHEET DATE
Disclosure of events after reporting period [text block]
Capital amount guaranteed or protected
Capital Amount Guaranteed Or Protected In Respect Of Equity Index Linked Deposits
Capital Amount Guaranteed Or Protected In Respect Of Equity Index Linked Deposits
Subject to 12-month ECL
12-month expected credit losses [member]
Proceeds from sale and redemption of financial assets at amortised cost and financial assets at FVOCI
Proceeds from sales or maturity of financial instruments, classified as investing activities
Cash flows from operating activities
Cash flows from (used in) operating activities [abstract]
Litigation and other regulatory
Litigation And Other Regulatory [Member]
Litigation And Other Regulatory
Cash and balances at central banks
Cash and balances at central banks
Cash and bank balances at central banks
Document Period End Date
Document Period End Date
Impairment losses on loans and advances to banks
Credit Impairment Losses On Loans And Advances To Banks
Credit impairment losses on loans and advances to banks.
Non-adjusting events after reporting period [member]
Non-adjusting events after reporting period [domain]
Other asset-backed securitisation structures:
Other Securitisation Structures [member]
Other securitisation structures.
Classes of financial instruments [axis]
Classes of financial instruments [axis]
Stage 3
Stage Three Expected Credit Loss [Member]
Stage three expected credit loss.
Goodwill
Goodwill
Goodwill
ECL charge to the Income Statement
Gross Impairment Loss, Income Statement Charge
Gross impairment loss, income statement charge.
Off-balance sheet credit exposures (See Note 21)
Off-Balance Sheet Credit Exposures
Off balance sheet credit exposures.
Document Type
Document Type
Classes of financial assets [axis]
Classes of financial assets [axis]
Fair value
Reserve of gains and losses on financial assets measured at fair value through other comprehensive income [member]
Fee and commission expense
Fee and commission expense
- £210m Perpetual Capital Securities
Two Hundred And Ten Million Fixed Rate Reset Perpetual AT One Capital Securities [Member]
Two Hundred And Ten Million Fixed Rate Reset Perpetual AT One Capital Securities
Number of santander locals
Number Of Santander Locals
Number Of Santander Locals
Impact on mortgage fair value
Mortgage Fair Value Impact [Member]
Mortgage Fair Value Impact
Notes issued under securitisation and covered bond programmes retained internally
Notes and debentures issued
Pre acquisition costs recognised as expense
Pre Acquisition Integration Costs Recognised In Operating Expenses
Pre Acquisition Integration Costs Recognised In Operating Expenses
Brand names
Brand names [member]
Financial assets at amortised cost
Debt instruments held at amortised cost
Change in operating assets
Adjustments For Decrease (Increase) In Operating Assets
Adjustments For Decrease (Increase) In Operating Assets
Corporate Centre
Corporate Centre [Member]
Corporate centre.
Transfers of financial instruments
Increase (decrease) through transfers, financial assets
Disclosure Of Sensitivity Limit Of Risk [line items]
Disclosure Of Sensitivity Limit Of Risk [Line Items]
Disclosure of sensitivity limit of risk.
Acquisition of TSB
Increase (Decrease) Through Acquisition Of TSB, Financial Assets
Increase (Decrease) Through Acquisition Of TSB, Financial Assets
Revenue of combined entity as if combination occurred at beginning of period
Revenue of combined entity as if combination occurred at beginning of period
Disclosure of financial liabilities [abstract]
Disclosure of financial liabilities [abstract]
Classes of assets [axis]
Classes of assets [axis]
Less: Discount unwind
Increase (Decrease) Through ECL Relates To Derecognised Income
Increase Decrease Through ECL Relates To Derecognised Income.
Disclosure of significant unobservable inputs used in fair value measurement of assets
Disclosure of significant unobservable inputs used in fair value measurement of assets [text block]
Revenue of acquiree since acquisition date
Revenue of acquiree since acquisition date
- Taxation
Income tax relating to financial assets measured at fair value through other comprehensive income included in other comprehensive income
Range [axis]
Range [axis]
Currently stated
Currently stated [member]
Components of equity [axis]
Components of equity [axis]
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]
Subordinated liabilities [abstract]
Deposits from customers [abstract]
Deposits from customers [abstract]
Profit before tax
Profit before tax
Profit before tax
Profit (loss) before tax
Debt Securities In Issue [Table]
Debt Securities In Issue [table]
Debt securities in issue.
ASSETS CHARGED AS SECURITY FOR LIABILITIES AND COLLATERAL ACCEPTED AS SECURITY FOR ASSETS
Disclosure of collateral [text block]
Provision Sub-Category [Axis]
Provision Sub-Category [Axis]
Provision Sub-Category
Net Loans and Advances to Customers [abstract]
Net Loans And Advances To Customers [Abstract]
Net loans and advances to customers [abstract].
Actuarial (losses) arising from experience adjustments
Decrease (increase) in net defined benefit liability (asset) resulting from actuarial gains (losses) arising from experience adjustments
Formal standby facilities, credit lines and other commitments
Standby Facilities Credit Lines And Other Commitments
Standby facilities credit lines and other commitments.
Disclosure Of Securitisations And Covered Bonds [Table]
Disclosure Of Securitisations And Covered Bonds [Table]
Disclosure of securitisations and covered bonds.
Categories of related parties
Categories of related parties [domain]
Dividend Paid
Dividend Paid [Member]
Dividend Paid
Disclosure of other provisions [table]
Disclosure of other provisions [table]
Summary of Amounts Recognised in Other Comprehensive Income
Disclosure Of Amounts Recognised In Other Comprehensive Income [Table Text Block]
Disclosure of amounts recognised in Other Comprehensive Income.
Classes of financial instruments [domain]
Classes of financial instruments [domain]
Disclosure of detailed information about business combination [table]
Disclosure of detailed information about business combination [table]
Tier 1 capital
Tier One Capital Amount
Tier one capital amount.
REVERSE REPURCHASE AGREEMENTS – NON-TRADING
Disclosure Of Reverse Repurchase Agreements Non-Trading [Text Block]
The entire disclosure of reverse repurchase agreements non-trading.
Counter free branches
Counter Free Branches [Member]
Counter Free Branches
£325m Sterling preference shares, notional amount
Sterling Preference Shares Notional Amount
The nominal or face amount of an equity instrument, used to calculate payments made on that instrument.
Gains/(losses) recognised in profit or loss/other comprehensive income relating to assets and liabilities held at the end of the year
Increase (decrease) in fair value measurement, liabilities
Profit before tax of acquiree since acquisition date
Profit (Loss) Before Tax Of Acquiree Since Acquisition Date
Profit (Loss) Before Tax Of Acquiree Since Acquisition Date
Summary of Results by Segment
Disclosure of operating segments [text block]
OTHER EQUITY INSTRUMENTS
Disclosure Of Other Equity Instruments Explanatory [Text Block]
The disclosure of other equity instruments.
Other mortgage-backed securitisation structures:
Other Mortgage-Backed Securitisation Structures [Member]
Other Mortgage-Backed Securitisation Structures
Types Of Branches [Axis]
Types Of Branches [Axis]
Types Of Branches
Impairment losses on other financial assets at amortised cost
Credit Impairment Losses On Other Financial Assets At Amortised Cost
Credit impairment losses on other financial assets at amortised cost.
- £400m Perpetual Capital Securities
Four Hundred Million Fixed Rate Reset Perpetual AT One Capital Securities [Member]
Four Hundred Million Fixed Rate Reset Perpetual AT One Capital Securities
Guarantees given to third parties
Contingent liability for guarantees [member]
Disclosure of detailed information about intangible assets [table]
Disclosure of detailed information about intangible assets [table]
Other reserves
Other reserves
Valuation technique
Fair Values Of Financial Instruments Valuation Technique Used
Fair values of financial instruments valuation technique used.
Downstreamed from Santander UK Group Holdings plc to Santander UK plc
Downstreamed From Santander UK Group Holdings plc To Santander UK PLC [Member]
Downstreamed From Santander UK Group Holdings plc To Santander UK PLC
Debt securities in issue
Debt Securities In Issue [Member]
Debt securities.
Credit impairment losses
Credit Impairment Losses
Credit Impairment Losses
Internal and external issuances
Mortgage Backed Notes Issued
Mortgage backed notes issued.
Defined benefit plans [domain]
Defined benefit plans [domain]
Formal standby facilities, credit lines and other commitments
Loan commitments [member]
Acquisition-related costs recognised as expense for transaction recognised separately from acquisition of assets and assumption of liabilities in business combination
Acquisition-related costs recognised as expense for transaction recognised separately from acquisition of assets and assumption of liabilities in business combination
Type Of Securitisation [Axis]
Type Of Securitisation [Axis]
Type Of Securitisation.
Change to ECL models
Increase (decrease) through changes in models or risk parameters, financial assets
POCI
Financial instruments purchased or originated credit-impaired [member]
Demand and time deposits
Current And Demand Accounts [Member]
Current and demand accounts [member]
Cash, cash balances at central banks and other demand deposits on acquisition
Cash, Cash Balances At Central Banks And Other Demand Deposits On Acquisition
Cash, Cash Balances At Central Banks And Other Demand Deposits On Acquisition
Subordinated liabilities
Subordinated liabilities
Subordinated liabilities
Subordinated liabilities
Net cash flows from financing activities
Cash flows from (used in) financing activities
Internally retained securitisation and covered bond issuances available for creating collateral
Note Issuances Available For Creating Collateral
Note issuances available for creating collateral.
CET1 capital
Common Equity Tier One Capital Amount
Common Equity Tier One Capital Amount
- £750m Perpetual Capital Securities
Seven Hundred And Fifty Million Fixed Rate Reset Perpetual AT One Capital Securities [Member]
Seven Hundred And Fifty Million Fixed Rate Reset Perpetual AT One Capital Securities
Disclosure Of Other Financial Liabilities At Fair Value Through Profit Or Loss [Table]
Disclosure Of Other Financial Liabilities At Fair Value Through Profit Or Loss [Table]
Disclosure of other financial liabilities at fair value through profit or loss [table]
Designated as fair value hedges:
Fair value hedges [member]
Fair value of scheme assets
Plan assets, at fair value
Repurchase agreements - non-trading
Repurchase Agreements - Non-Trading [Member]
Repurchase agreements - non-trading.
New lending and assets purchased
Increase through origination or purchase, financial assets
Statement of changes in equity [table]
Statement of changes in equity [table]
Actuarial assumptions [axis]
Actuarial assumptions [axis]
Other financial assets
Other Financial Assets1 [Member]
Other financial assets 1
Disclosure of classes of share capital [abstract]
Disclosure of classes of share capital [abstract]
Unfunded pension and post-retirement medical benefits
Unfunded Pension And Post Retirement Medical Benefits [Member]
Unfunded Pension And Post Retirement Medical Benefits Member
Cash and bank balances at central banks less regulatory minimum cash balances
Bank balances at central banks other than mandatory reserve deposits
Adjustments for items not classified as cash and cash equivalents 1
Adjustments For Items Not Classified As Cash And Cash Equivalents
Adjustments For Items Not Classified As Cash And Cash Equivalents
Exchange rate contracts
Exchange Rate Contracts [Member]
Exchange rate contracts.
Classes of assets [domain]
Classes of assets [domain]
Current Fiscal Year End Date
Current Fiscal Year End Date
Types of hedges [domain]
Types of hedges [domain]
Loans and advances to banks
Loans And Advances To Banks Recognised As Of Acquisition Date
Loans And Advances To Banks Recognised As Of Acquisition Date
Bank surcharge on profits
Tax Effect Of Bank Corporation Tax Surcharge On Profits
Tax effect of bank corporation tax surcharge on profits.
Own credit adjustment, total
- Own credit adjustment
Other comprehensive income, net of tax, change in fair value of financial liability attributable to change in credit risk of liability
Minimum
Bottom of range [member]
Financial instruments credit-impaired
Financial instruments credit-impaired [member]
Derivative Instruments [Axis]
Derivative Instruments [Axis]
Derivative Instruments
Disclosure Of Market Risk Exposure [Abstract]
Disclosure Of Market Risk Exposure [Abstract]
Disclosure Of Market Risk Exposure
Financial liabilities at amortised cost
Financial liabilities at amortised cost, category [member]
Categories of related parties [axis]
Categories of related parties [axis]
Credit linked notes
Credit Linked Notes [Member]
Credit linked note.
Profit after tax
Profit after tax
Profit after tax
Profit (loss)
Guarantees given to third parties
Guarantees Given To Third Parties
Guarantees Given To Third Parties
Internal
Internal [member]
Internal.
Other comprehensive income, cash flow hedges, total
- Cash flow hedges
Other comprehensive income, net of tax, cash flow hedges
LOANS AND ADVANCES TO CUSTOMERS
Disclosure of loans and advances to customers [text block]
Financial assets
Beginning balance
Ending balance
Total financial assets
Financial assets
Disclosure Of Sensitivity Limit Of Risk [table]
Disclosure Of Sensitivity Limit Of Risk [Table]
Disclosure Of Sensitivity Limit Of Risk [table]
Property, plant and equipment
Property, plant and equipment recognised as of acquisition date
Movement in fair value reserve (debt instruments):
Financial assets measured at fair value through other comprehensive income [abstract]
Securitisations and covered bonds
Securitisation And Covered Bonds [Member]
Securitisations and covered bonds.
Deposits from banks, settlement activities
Deposits From Banks, Settlement Activities
Deposits From Banks, Settlement Activities
SEGMENTS
Disclosure of entity's operating segments [text block]
Internal and external redemptions
Mortgage Backed Securities Redeemed
Mortgage backed securities redeemed.
Accumulated depreciation and impairment:
Accumulated depreciation and amortisation [member]
Retained earnings
Retained earnings [member]
Disclosure of contingent liabilities [table]
Disclosure of contingent liabilities [table]
Summary of Actuarial Assumption Sensitivities
Disclosure of sensitivity analysis for actuarial assumptions [text block]
Provisions
Provisions Recognised As Of Acquisition Date
Provisions Recognised As Of Acquisition Date
Liabilities
Liabilities [abstract]
Summary of Regulatory Capital Resources
Disclosure Of Regulatory Capital Resources [Table Text Block]
The disclosure of regulatory capital resources.
ECL
Expected Credit Loss [Member]
Expected credit loss.
Financial assets at fair value
Financial assets at fair value, class [member]
Categories of financial assets [domain]
Categories of financial assets [domain]
Business Combination, Fair Value Measurement [Axis]
Business Combination, Fair Value Measurement [Axis]
Carrying Amount And Fair Value
Carrying amount
Book value at 30 April 2026
Carrying amount [member]
DIVIDENDS ON ORDINARY SHARES
Disclosure of dividends [text block]
Project By Scenario [Axis]
Project By Scenario [Axis]
Project by scenario.
Market Risk
Disclosure of market risk [text block]
- Bid-offer and trade specific adjustments
Bid Offer And Trade Specific Risk Related Adjustments [Member]
Bid-offer and trade specific adjustments.
Unobservable inputs [domain]
Unobservable inputs [domain]
- Females
Longevity For Future Pensioners Females One
Longevity For Future Pensioners Females One
Total assets
Identifiable Assets Acquired Recognised As Of Acquisition Date
Identifiable Assets Acquired Recognised As Of Acquisition Date
Impairment of property
Impairment Of Property [Member]
Impairment Of Property
Total net assets
Net defined benefit assets
Net defined benefit liability (asset)
-100bps
Decrease Of One Hundred Basis Points [Member]
Decrease Of One Hundred Basis Points
Total liabilities
Identifiable Liabilities Acquired Recognised As Of Acquisition Date
Identifiable Liabilities Acquired Recognised As Of Acquisition Date
Financial instruments not credit-impaired
Financial instruments not credit-impaired [member]
Other cash equivalents: Loans and advances to banks - non-trading
Other Cash Equivalents, Loans And Advances To Banks - Non Trading
Other Cash Equivalents, Loans And Advances To Banks - Non Trading
Surplus (deficit) in plan
Surplus (deficit) in plan
Collateral cash
Cash collateral pledged subject to enforceable master netting arrangement or similar agreement not set off against financial liabilities
Reverse repurchase agreements - non-trading
Reverse Repurchase Agreements - Non-Trading [Member]
Reverse repurchase agreements - non-trading.
Capital contribution reserve
Capital reserve [member]
Other financial liabilities at FVTPL
Other Financial Liabilities At Fair Value Through Profit Or Loss [Member]
Other financial liabilities at fair value through profit or loss [member]
Percentage of voting equity interests acquired
Percentage of voting equity interests acquired
Customer-related intangible assets recognised as of acquisition date
Customer-related intangible assets recognised as of acquisition date
Business Combinations [Abstract]
Business Combinations [Abstract]
Business Combinations [Abstract]
Other financial assets at fair value through profit or loss
Other Financial Assets At Fair Value Through Profit Or Loss
Other financial assets at fair value through profit or loss.
Fair value adjustments
Fair Value Adjustments
Fair value adjustments risk.
Disclosure of changes in accounting estimates [table]
Disclosure of changes in accounting estimates [table]
Other comprehensive (expense)/income that may be reclassified to profit or loss subsequently:
Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract]
Derivatives
Derivatives [member]
Assets at fair value
Financial assets, at fair value
Agreements with banks
Agreements With Banks [Member]
Agreements with banks.
Other assets
Other Assets Recognised As Of Acquisition Date
Other Assets Recognised As Of Acquisition Date
Currency translation
Reserve of exchange differences on translation [member]
Financial assets at amortised cost
Financial assets at amortised cost, class [member]
Useful life measured as period of time, intangible assets other than goodwill
Useful life measured as period of time, intangible assets other than goodwill
Disclosure Of Fair Values Of Financial Instruments Carried At Amortised Cost [Line Items]
Disclosure Of Fair Values Of Financial Instruments Carried At Amortised Cost [Line Items]
Disclosure Of Fair Values Of Financial Instruments Carried At Amortised Cost [line items]
Deposits by banks
Deposits By Banks [Member]
Deposits by banks.
Total equity
Beginning balance
Ending balance
Equity
Other equity instruments
Other equity interest
Other equity interest
Amounts due to fellow Banco Santander subsidiaries and joint ventures
Amounts Due To Fellow Banco Santander Subsidiaries And Joint Ventures [Member]
Amounts due to fellow Banco Santander Subsidiaries and Joint ventures.
Fixed-to-floating rate callable subordinated Tier 2 capital notes
Fixed-to-Floating Rate Callable Subordinated Tier 2 Capital Notes [Member]
Fixed-to-Floating Rate Callable Subordinated Tier 2 Capital Notes
Financial Assets At Fair Value Through Profit Or Loss [Line Items]
Financial Assets At Fair Value Through Profit Or Loss [Line Items]
Financial Assets At Fair Value Through Profit Or Loss
Longevity at 60 for current pensioners, on the valuation date:
Longevity At Sixty For Current Pensioners, On Valuation Date [Abstract]
Longevity at sixty for current pensioners, on valuation date.
Transitional IFRS 9 Benefit
Transitional IFRS 9 Benefit [Member]
Transitional IFRS 9 Benefit
Amounts due to other Santander UK Group Holdings plc subsidiaries
Amounts Due To Other Santander UK Group Holdings Plc Subsidiaries [Member]
58c8bb38-9525-fbf8-00b0-bbaef1f35672
Disclosure Of Contingent Liabilities And Commitments [Line Items]
Disclosure Of Contingent Liabilities And Commitments [Line Items]
Disclosure of contingent liabilities and commitments.
Other assets
Other assets
Other comprehensive (expense)/income that will not be reclassified to profit or loss subsequently:
Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract]
Level 1
Level 1 of fair value hierarchy [member]
Disclosure of Information about Key Judgements and Key Estimates
Disclosure Of Information About Key Judgements And Key Estimates [Table Text Block]
Disclosure Of Information About Key Judgements And Key Estimates
Longevity at 60 for future pensioners currently aged 40, on the valuation date:
Longevity At Sixty For Future Pensioners Currently Aged Forty, On Valuation Date [Abstract]
Longevity at sixty for future pensioners currently aged forty, on valuation date.
Disclosure of detailed information about property, plant and equipment [line items]
Disclosure of detailed information about property, plant and equipment [line items]
Discount Rate assumption
Discount rate, measurement input [member]
Level 2
Level 2 of fair value hierarchy [member]
Disclosure of non-adjusting events after reporting period [abstract]
Disclosure of non-adjusting events after reporting period [abstract]
Summary of Provisions Reconciliation
Disclosure Of Provisions Reconciliation By Class Explanatory [Table Text Block]
Summary of Provisions reconciliation by class for the period.
Continuing involvement in derecognised financial assets by type of transfer [domain]
Continuing involvement in derecognised financial assets by type of transfer [domain]
Reclassification from provisions to other assets
Increase (decrease) through transfers and other changes, other provisions
Disclosure of changes in accounting estimates [line items]
Disclosure of changes in accounting estimates [line items]
Percentage of defined benefit obligation insured
Percentage Of Defined Benefit Obligation Insured
Percentage Of Defined Benefit Obligation Insured
Structured Notes Programmes
Structured Notes Programmes [Member]
Structured notes programmes [member]
Loans and advances to customers:
Loans And Advances To Customers [Member]
Loans and advances to customers, netting.
Provision Sub-Category [Domain]
Provision Sub-Category [Domain]
Provision Sub-Category [Domain]
Designated as cash flow hedges:
Cash flow hedges [member]
Increase in assets recognised in entity's financial statements in relation to structured entities
Increase In Assets Recognised In Entity's Financial Statements In Relation To Structured Entities
Increase In Assets Recognised In Entity's Financial Statements In Relation To Structured Entities
Capital securities
Capital Securities Issued
Capital securities issued.
Net fee and commission income
Fee and commission income (expense)
Dividends paid on preference shares and other equity instruments
Dividends Paid On Preference Shares And Other Equity Instruments, Classified As Financing Activities
Dividends paid on preference shares and other equity instruments classified as financing activities.
Cash and cash equivalents consist of:
Cash and cash equivalents if different from statement of financial position [abstract]
Expenses by nature [abstract]
Expenses by nature [abstract]
AT1 capital
Additional Tier One Capital Amount
Additional Tier One Capital Amount
–Stage 3
Stage Three [Member]
Stage 3.
Bank Levy
Bank Levy [Member]
Bank Levy
TSB Covered Bonds (Holdings) Ltd and TSB Banking Group plc Employee Share Trust
TSB Covered Bonds (Holdings) Ltd and TSB Banking Group plc Employee Share Trust [Member]
TSB and TSB Covered Bonds
Statement of changes in equity [abstract]
Statement of changes in equity [abstract]
Retained earnings
Retained earnings
Measurement [domain]
Measurement [domain]
–Stage 1
Stage One [Member]
e59bb779-20f2-d44e-7216-bbaef21969d2
Disclosure of detailed information about business combination [text block]
Disclosure of detailed information about business combination [text block]
Redemptions, repayments and assets sold
Decrease through derecognition, financial assets
Actuarial gains arising from changes in financial assumptions
Decrease (increase) in net defined benefit liability (asset) resulting from actuarial gains (losses) arising from changes in financial assumptions
Regulatory levies and fees
Regulatory Levies And Fees [Member]
Regulatory Levies And Fees
Summary of Fair Value Adjustment
Schedule Of Fair Value Adjustment Explanatory [Table Text Block]
Schedule of fair value adjustment explanatory.
Significant unobservable input, assets
Significant unobservable input, assets
General price inflation
Actuarial assumption of expected rates of inflation [member]
Transfers from Stage 2 to Stage 1
Increase Decrease Through Transfers From Stage Two To Stage One Financial Assets
Increase decrease through transfers from stage 2 To stage 1 financial assets
Transfers out of Level 1 into Level 2 of fair value hierarchy, liabilities
Transfers out of Level 1 into Level 2 of fair value hierarchy, liabilities held at end of reporting period
Other financial assets at amortised cost
Other Financial Assets At Amortised Cost [Member]
Other financial assets at amortised cost.
- Females
Longevity For Current Pensioners Females One
Longevity for current pensioners females one.
Derivative financial instruments
Assets
Derivative financial assets
Subsidiaries [axis]
Subsidiaries [axis]
Best estimate at acquisition date of contractual cash flows not expected to be collected for acquired receivables
Best estimate at acquisition date of contractual cash flows not expected to be collected for acquired receivables
Going concern
Disclosure of going concern [text block]
Disclosure of assets pledged as security [abstract]
Disclosure Of Assets Pledged As Security [Abstract]
Disclosure of assets pledged as security.
Discount rate
Actuarial assumption of discount rates [member]
Other administration expenses
Other Administration Expenses
Total other administration expenses.
Summary of Other Financial Assets at Amortised Cost
Disclosure Of Detailed Information Of Other Financial Assets At Amortised Cost [Table Text Block]
Disclosure of detailed information of other financial assets at amortised cost explanatory.
Financial assets at fair value through other comprehensive income
Financial Assets At Fair Value Through Other Comprehensive Income Recognised As Of Acquisition Date
Financial Assets At Fair Value Through Other Comprehensive Income Recognised As Of Acquisition Date
Actuarial gains arising from changes in demographic assumptions
Decrease (increase) in net defined benefit liability (asset) resulting from actuarial gains (losses) arising from changes in demographic assumptions
Net defined benefit liability (asset) [domain]
Net defined benefit liability (asset) [domain]
Fair Value Adjustments [Domain]
Fair Value Adjustments [Domain]
Fair Value Adjustments [domain]
Covered bond programme:
Covered bond programme:
Covered Bond Programmes [Member]
Covered Bond Programmes [member]
- £500m Fixed Rate Reset Perpetual Capital Securities
Five Hundred Million Fixed Rate Reset Perpetual AT One Capital Securities Three [Member]
Five hundred million fixed rate reset perpetual AT1 capital securities three.
Net ECL remeasurement on stage transfer
Increase (Decrease) Through Net Remeasurement Of ECL On Stage Transfer
Increase (decrease) through net remeasurement of ECL on stage transfer.
Intangible assets other than goodwill
Intangible assets other than goodwill
Disclosure of fair value measurement of assets [table]
Disclosure of fair value measurement of assets [table]
Transfers to Stage 3
Increase Decrease Through Transfers To Stage Three Financial Assets
Increase decrease through transfers to stage 3 financial assets
Non-deductible preference dividends paid
Tax Effect Of Non Deductible Preference Dividends Paid
Tax effect of non-deductible preference dividends paid.
Segments [domain]
Segments [domain]
Cash and cash equivalents at beginning of the year
Cash and cash equivalents at the end of the period
Cash and cash equivalents at the end of the period
Cash and cash equivalents
Disclosure Of Regulatory Capital Resources [Table]
Disclosure Of Regulatory Capital Resources [Table]
Disclosure Of Regulatory Capital Resources [table]
Disclosure of non-adjusting events after reporting period [line items]
Disclosure of non-adjusting events after reporting period [line items]
Disclosure Of Capital Risk Exposure [Abstract]
Capital risk.
Change in operating liabilities
Adjustments For Increase (Decrease) In Operating Liabilities
Adjustments For Increase (Decrease) In Operating Liabilities
Cash collateral received subject to enforceable master netting arrangement or similar agreement not set off against financial assets
Cash collateral received subject to enforceable master netting arrangement or similar agreement not set off against financial assets
Total liabilities and equity
Equity and liabilities
POCI
POCI [Member]
POCI
Business combinations [axis]
Business combinations [axis]
Repurchase of other equity instruments
Payments of other equity instruments
Provisions
Beginning balance
Ending balance
Provisions
Property
Land and buildings [member]
Preferred stock issued, threshold value
Preferred Stock Issued, Threshold
Preferred Stock Issued, Threshold
Business combinations [domain]
Business combinations [domain]
Debt Securities In Issue [abstract]
Debt Securities In Issue [Abstract]
Debt securities in issue.
Accrued interest
Interest receivable
Financial Assets At Fair Value Through Profit Or Loss [Table]
Financial Assets At Fair Value Through Profit Or Loss [table]
Financial assets at fair value through profit or loss.
Zero Amortising Guaranteed Notes
Collaterals And Guarantees [Member]
Collaterals and guarantees.
Types Of Agreement [Domain]
Types Of Agreement [Domain]
Types of agreement [domain]
- Taxation
Income tax relating to changes in fair value of financial liability attributable to change in credit risk of liability included in other comprehensive income
Disclosure Of Repurchase Agreements [Line Items]
Disclosure Of Repurchase Agreements [line items]
Disclosure Of Repurchase Agreements [line items]
Financial assets at fair value through profit or loss [abstract]
Financial assets at fair value through profit or loss [abstract]
- General price inflation
Actuarial assumption of expected rates of inflation
Disclosure Of Repurchase Agreements [Table]
Disclosure Of Repurchase Agreements [table]
Disclosure Of Repurchase Agreements [table]
Customer balances (gross)
Deposits From Customers, Gross
Deposits From Customers, Gross
Third party bilateral secured funding transactions
Third Party Bilateral Secured Funding Transactions [member]
Third party bilateral secured funding transactions.
Disclosure of net defined benefit liability (asset) [table]
Disclosure of net defined benefit liability (asset) [table]
Operational losses
Operational Losses
Operational Losses
Categories of financial liabilities [domain]
Categories of financial liabilities [domain]
Disclosure of Analysis of Fair Value of Financial Instruments Measured at Fair Value on a Recurring Basis
Disclosure Of Fair Value Of Financial Instruments At Fair Value [Table Text Block]
Disclosure of fair value of financial instruments at fair value.
RELATED PARTY DISCLOSURES
Disclosure of related party [text block]
Classes of financial assets
Classes of financial assets [domain]
Other comprehensive income, fair value reserve (debt instruments)
- Fair value reserve (debt instruments)
Gains (losses) on financial assets measured at fair value through other comprehensive income, net of tax
Internally retained
Internally Retained [member]
Internally retained.
Interest rate contracts
Interest rate swap contract [member]
Level 3
Level 3 of fair value hierarchy [member]
Disposals
Disposals, property, plant and equipment including right-of-use assets
Total ECL charge to the Income Statement
ECL Charge/(Release) To The Income Statement From Continued Operations
ECL Charge/(Release) To The Income Statement From Continued Operations
Risk-related:
Risk Related Adjustments [Member]
Risk related adjustments.
Critical judgements and accounting estimates
Disclosure of accounting judgements and estimates [text block]
Goodwill arising on acquisition
Goodwill recognised as of acquisition date
Santander UK liability under indemnity cap
Santander UK Liability Under Indemnity Cap
Santander UK Liability Under Indemnity Cap
Unobservable inputs [axis]
Unobservable inputs [axis]
Base case
Base Case Scenario [Member]
Base case.
Type Of Securitisation [Domain]
Type Of Securitisation [Domain]
Type Of Securitisation [domain]
Macro hedge of interest rate risk
Macro Hedge Of Interest Rate Risk, Asset
Macro Hedge Of Interest Rate Risk, Asset
Assets written off
Decrease through write-off, financial assets
Segment consolidation items [domain]
Segment consolidation items [domain]
Dated subordinated liabilities
Dated subordinated liabilities
Purchased credit card receivables (PCCR)
Purchased Credit Card Receivables (PCCR) [Member]
Purchased Credit Card Receivables (PCCR)
Full service branches
Full Service Branches [Member]
Full Service Branches
Subordinated liabilities
Subordinated Liabilities [member]
Subordinated liabilities.
Mortgage backed notes sold
Mortgage Backed Notes Sold
Mortgage Backed Notes Sold
Disclosure Of Fair Values Of Financial Instruments Carried At Amortised Cost [Table]
Disclosure Of Fair Values Of Financial Instruments Carried At Amortised Cost [table]
Disclosure Of Fair Values Of Financial Instruments Carried At Amortised Cost [table]
OTHER FINANCIAL ASSETS AT FAIR VALUE THROUGH PROFIT OR LOSS
Disclosure of financial instruments at fair value through profit or loss [text block]
Other financial assets at amortised cost
Other Financial Assets At Amortised Cost
Other financial assets at amortised cost.
Other equity instruments
Other equity interest [member]
Net cash flows from operating activities
Cash flows from (used in) operating activities
INTERESTS IN OTHER ENTITIES
Disclosure of interests in other entities [text block]
+100bps
Increase Of One Hundred Basis Points [Member]
Increase Of One Hundred Basis Points
Disclosure of detailed information about intangible assets [abstract]
Disclosure of detailed information about intangible assets [abstract]
Document Fiscal Year Focus
Document Fiscal Year Focus
Adjustments for:
Adjustments to reconcile profit (loss) [abstract]
Customer remediation - other
Customer Remediation, Other [Member]
Other, Customer Remediation
Mortgage loans
Mortgage loans
Interest refund customer remediation
Interest Refund Customer Remediation [Member]
Interest Refund Customer Remediation
REPURCHASE AGREEMENTS – NON-TRADING
Summary of Reverse Repurchase Agreements - Non Trading
Disclosure of repurchase and reverse repurchase agreements [text block]
Post acquisition integration costs recognised in operating expenses
Post Acquisition Integration Costs Recognised In Operating Expenses
Post Acquisition Integration Costs Recognised In Operating Expenses
Schedule of Subordinated Liabilities
Disclosure Of Details Of Subordinated Liabilities [Table Text Block]
Schedule of subordinated liabilities.
Impairment losses on non-trading reverse repurchase agreements
Credit Impairment Losses On Non-Trading Reverse Repurchase Agreements
Credit impairment losses on non-trading reverse repurchase agreements.
Classes of other provisions [axis]
Classes of other provisions [axis]
DEBT SECURITIES IN ISSUE
Disclosure of debt instruments [text block]
– Duncan
Duncan [Member]
Duncan
Fair Value Adjustments, Classification [Domain]
Fair Value Adjustments, Classification [Domain]
Fair Value Adjustments, Classification [Domain]
Property
Property [Member]
a1e08f72-80dc-2908-a9a0-bbaef1f52a31
Loans and advances to banks
Loans And Advances To Banks [Member]
Loans and advances to banks.
Impairment during the period
Impairment loss recognised in profit or loss, property, plant and equipment including right-of-use assets
Residual value and voluntary termination provisions on finance leases
Residual Value And Voluntary Termination Provisions
Residual value and voluntary termination provisions.
Derivative financial instruments
Liabilities
Derivative financial liabilities
Disclosure of credit risk exposure [line items]
Disclosure of credit risk exposure [line items]
Summary of Retirement Benefit Plans
Disclosure of defined benefit plans [text block]
Disclosure of ECL Reconciliation
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [text block]
Cost
Cost:
Gross carrying amount [member]
Applicable tax rate (percentage)
Applicable tax rate
Retail & Business Banking
Retail And Business Banking [Member]
Retail banking.
Disclosure Of Assets Pledged As Security [Line Items]
Disclosure Of Assets Pledged As Security [Line Items]
Disclosure of assets pledged as security.
Gains/(losses) recognised in profit or loss/other comprehensive income relating to assets and liabilities held at the end of the period
Increase (decrease) in fair value measurement, assets
Fee and commission income
Fee and commission income
Summary of Other Equity Instruments
Disclosure Of Summary Of Other Equity Instruments [Table Text Block]
Disclosure of summary of other equity instruments.
Customer balances (net)
Deposits From Customers, Net
Deposits From Customers, Net
Intangible assets
Identifiable intangible assets recognised as of acquisition date
Securitisation programmes
Securitisation Programmes [Member]
Securitisation programmes.
Disclosure of financial assets [line items]
Disclosure of financial assets [line items]
Zero Amortising Guaranteed Notes
Zero Amortising Guaranteed Notes [Member]
Zero Amortising Guaranteed Notes
Total consideration Paid/Transferred
Consideration transferred, acquisition-date fair value
Principal elements of lease payments
Payments of lease liabilities, classified as financing activities
ACQUISITION OF TSB
Disclosure of business combinations [text block]
Bank of England
Bank of England [Member]
Bank of England
Less: restricted balances
Mandatory reserve deposits at central banks
Disclosure Of Deposits From Banks [Line Items]
Disclosure Of Deposits From Banks [Line Items]
Line Items represents disclosure of deposits from banks.
Holmes
Holmes [member]
Holmes.
Entity Registrant Name
Entity Registrant Name
Financial Liabilities [Abstract]
Financial Liabilities [Abstract]
Financial Liabilities
Effects of exchange rate differences
Adjustments for unrealised foreign exchange losses (gains)
Change in economic scenarios
Increase (Decrease) Through Changes In Economic Inputs
Increase decrease through changes in economic inputs.
Measurement [axis]
Measurement [axis]
Upside
Upside One Scenario [member]
Upside one.
Repurchase of other equity instruments
Repurchase Of Other Equity Instruments
Repurchase of other equity instruments.
Other - restructuring and specific provisions
Other, Restructuring And Specific Provisions [Member]
Other, Restructuring And Specific Provisions
Increase (decrease) in fair value measurement due to reasonably possible increase in unobservable input, assets
Increase (decrease) in fair value measurement due to reasonably possible increase in unobservable input, assets
Classes of intangible assets other than goodwill [domain]
Classes of intangible assets other than goodwill [domain]
Increase (decrease) in fair value measurement due to reasonably possible decrease in unobservable input, assets
Increase (decrease) in fair value measurement due to reasonably possible decrease in unobservable input, assets
Securitisation By Company Name [Axis]
Securitisation By Company Name [axis]
Securitisation By Company Name [axis]
Restructuring Project [Axis]
Restructuring Project [Axis]
Restructuring Project
Estimated effect of litigation
Estimated financial effect of contingent liabilities
Customer balances (net)
Loans And Advances To Customers, Net
Loans And Advances To Customers, Net
Major components of tax expense (income) [abstract]
Major components of tax expense (income) [abstract]
Wholesale debt funding, percentage
Wholesale Debt Funding, Percentage
Wholesale Debt Funding, Percentage
- Males
Longevity For Future Pensioners Males One
Longevity For Future Pensioners Males One
Debt securities
Debt securities [member]
Transfers from Stage 1 to Stage 2
Increase Decrease Through Transfers From Stage One To Stage Two Financial Assets
Increase decrease through transfers from Stage 1 To Stage 2 financial assets
- Change in fair value
Gains (losses) on financial assets measured at fair value through other comprehensive income, before tax
Segment consolidation items [axis]
Segment consolidation items [axis]
RETIREMENT BENEFIT PLANS
Disclosure of employee benefits [text block]
Types Of Agreement [Axis]
Types Of Agreement [Axis]
Types of agreement [axis]
Equity
Equity [abstract]
Less: Recoveries net of collection costs
Recoveries of loans and advances, net of collection costs
Financial Assets Post Writeoff Recoveries
Financial assets post write-off recoveries.
Disclosure of securitisations and covered bonds [abstract]
Disclosure Of Securitisations And Covered Bonds [Abstract]
Disclosure of securitisations and covered bonds abstract.
Disclosure of operating segments [abstract]
Disclosure of operating segments [abstract]
Adjustment to prior year provisions
Tax Effect Of Prior Year Adjustments
Tax effect of prior year adjustments.
Disclosure of transactions between related parties [abstract]
Disclosure of transactions between related parties [abstract]
Covered bonds issued
Covered Bonds Issued
Covered Bonds Issued
Disclosure of nature and extent of risks arising from financial instruments [abstract]
Disclosure of nature and extent of risks arising from financial instruments [abstract]
Branch Transformation Project
Branch Transformation Project [Member]
Branch Transformation Project
Financial assets at FVOCI
Financial assets at fair value through other comprehensive income, category [member]
–Stage 2
Stage Two [member]
Stage 2.
- Expected rate of pension increase
Actuarial assumption of expected rates of pension increases
Number of branch closures
Number of Branch Closures
Number of Branch Closures
Macro hedge of interest rate risk
Portfolio Hedges Of Interest Rate Risk Adjustment To Hedged Liabilities, Recognised As Of Acquisition Date
Portfolio Hedges Of Interest Rate Risk Adjustment To Hedged Liabilities, Recognised As Of Acquisition Date
Funded defined benefit pension scheme - surplus
Wholly or partly funded defined benefit plans [member]
Drawdown from TFSME
Drawdown From Term Funding Scheme for SME
Drawdown From Term Funding Scheme for SME
Macro hedge of interest rate risk
Macro Hedge Of Interest Rate Risk, Liability
Macro Hedge Of Interest Rate Risk, Liability
Description of changes in methods and assumptions
Description of changes in methods and assumptions used in preparing sensitivity analysis for actuarial assumptions
Restructuring
Restructuring provision [member]
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [table]
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [table]
Share premium
Share premium [member]
Disclosure of contingent liabilities [abstract]
Disclosure of contingent liabilities [abstract]
Exposure - of which: mortgages
Loans And Advances To Customers For Residential Mortgages
Loans and advances to customers for residential mortgages.
Loans and advances to customers
Loans And Advances To Customers Recognised As Of Acquisition Date
Loans And Advances To Customers Recognised As Of Acquisition Date
Number of work cafes with support provided
Number Of Work Cafes With Support Provided
Number Of Work Cafes With Support Provided
Tax relief on dividends in respect of other equity instruments
Tax Relief On Dividends In Respect Of Other Equity Instruments
Tax relief on dividends in respect of other equity instruments.
Agreements with customers
Agreements With Customers [Member]
Agreements with customer.
Financial assets pledged as collateral for liabilities or contingent liabilities
Financial assets pledged as collateral for liabilities or contingent liabilities
Securitisation By Company Name [Domain]
Securitisation By Company Name [domain]
Securitisation By Company Name [domain]
Profit (loss) of acquiree since acquisition date
Profit (loss) of acquiree since acquisition date
Total liabilities
Beginning balance
Ending Balance
Liabilities
Mortgages
Retail & Business Banking, Mortgages [Member]
Retail banking.
Office fixtures and equipment
Office equipment [member]
Investments accounted for using equity method [abstract [Table]
Disclosure of subsidiaries [table]
AT1 Securities
Additional Tier1 Securities [Member]
Additional Tier1 Securities
Disclosure of credit risk exposure [abstract]
Disclosure of credit risk exposure [abstract]
Disclosure of net defined benefit liability (asset) [line items]
Disclosure of net defined benefit liability (asset) [line items]
- Uncertainty
Risk Related Uncertainty Adjustments [Member]
Uncertainty.
Non-deductible UK Bank Levy
Tax Effect Of Non Deductible UK Bank Levy
Tax effect of non-deductible bank levy.
Disclosure of detailed information about hedges [table]
Disclosure of detailed information about hedges [table]
Derivative liabilities
Derivatives
Derivative Liabilities [Member]
Derivative liabilities for financial liabilities.
Own credit adjustment:
Change In Fair Value Of Financial Liability Attributable To Change In Credit Risk Of Liability [Abstract]
Change in fair value of financial liability attributable to change in credit risk of liability.
Retrospective application and retrospective restatement [axis]
Retrospective application and retrospective restatement [axis]
Accrued interest
Interest payable
Deposits by banks
Deposits from banks
Deposits held as collateral
Deposits Held As Collateral [member]
Deposits Held As Collateral [Member]
Disclosure Of Other Financial Assets At Fair Value Through Profit Or Loss [Line Items]
Disclosure Of Other Financial Assets At Fair Value Through Profit Or Loss [line items]
Disclosure of other financial assets at fair value through profit or loss.
Number of subsidiaries
Number Of Subsidiaries
Number Of Subsidiaries
£10bn Global Covered Bond Programme
Pounds Sterling Ten Billion Global Covered Bond Programme [Member]
Pounds Sterling Ten Billion Global Covered Bond Programme
Downside 1
Downside One Scenario [member]
Downside One.
Operational risk provisions
Operational Risk Provisions [Member]
Operational Risk Provisions
Fair Value Adjustments [Axis]
Fair Value Adjustments [Axis]
Fair value adjustments axis.
Deposits by customers
Deposits by customers
Deposits from customers
Type of measurement of expected credit losses [domain]
Type of measurement of expected credit losses [domain]
DEPOSITS BY BANKS
Disclosure of deposits from banks [text block]
Property, plant and equipment
Property, plant and equipment including right-of-use assets at beginning of period
Property, plant and equipment including right-of-use assets at end of period
Property, plant and equipment including right-of-use assets
Liabilities at fair value
Financial liabilities, at fair value
Non-adjusting events after reporting period [axis]
Non-adjusting events after reporting period [axis]
Assets held for sale
Non-current assets or disposal groups classified as held for sale
Loans and advances to customers
Credit Impairment Charges (Write-Backs) On Loans And Advances To Customer
Credit impairment losses on loans and advances to customer.
Derivatives held for hedging
Derivatives Held For Hedging [Member]
Derivatives Held For Hedging [member]
Disclosure of Analysis of Securitisations and Covered Bonds
Disclosure Of Analysis Of Securitisations And Covered Bonds [Table Text Block]
Disclosure of analysis of securitisations and covered bonds.
Settlements
Settlements, fair value measurement, liabilities
Maximum
Top of range [member]
Derivative netting
Netting Adjustments [member]
Netting adjustments.
Retail deposit funding, percentage
Retail Deposit Funding, Percentage
Retail Deposit Funding, Percentage
Scenario [Axis]
Scenario [Axis]
Settlements
Settlements, fair value measurement, assets
Litigation and other regulatory
Legal proceedings provision [member]
SECURITISATIONS AND COVERED BONDS
Disclosure Of Securitisations And Covered Bonds Explanatory [Text Block]
The disclosure of securitisations and covered bonds.
Pension remeasurement, total
- Pension remeasurement
Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans
Components Of Regulatory Capital [Axis]
Components Of Regulatory Capital [axis]
Components of regulatory capital.
Litigation settlement, maximum potential exposure
Litigation Settlement, Maximum Potential Exposure
Litigation Settlement, Maximum Potential Exposure
Reduced hours branches
Reduced Hours Branches [Member]
Reduced Hours Branches
Net other comprehensive (expense)/income that will not be reclassified to profit or loss subsequently
Other comprehensive income that will not be reclassified to profit or loss, net of tax
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]
Number of branches
Number Of Branches
Number Of Branches
Present value of defined benefit obligations
Defined benefit obligation, at present value
Customer balances (gross)
Loans And Advances To Customers Excluding Intercompany Balances, Gross
Loans And Advances To Customers Excluding Intercompany Balances, Gross
Disclosure Of Deposits From Customers [Table]
Disclosure Of Deposits From Customers [Table]
Disclosure of deposits from customers [table]
Credit impairment charges
Credit impairment charges/(write-backs):
Impairment loss (reversal of impairment loss) recognised in profit or loss
Revenue/(expense) from external customers
Revenue from contracts with customers
Issuances And Redemptions Of Securitisation And Covered Bond [Line items]
Issuances And Redemptions Of Securitisation And Covered Bond [Line items]
Issuances and redemptions of securitisation and covered bonds.
Other deposits
Other Deposits [member]
Other deposits.
Other item, credit balances in other current receivables
Credit Balances In Other Current Receivables
Credit Balances In Other Current Receivables
Property, plant and equipment including right-of-use assets [axis]
Property, plant and equipment including right-of-use assets [axis]
Total other comprehensive (expense)/income net of tax
Other comprehensive income
Classes of liabilities [axis]
Classes of liabilities [axis]
Customer remediation - Motor
Customer Remediation - Motor [Member]
CusCustomer Remediation - Motor
Disclosure of detailed information about hedges
Disclosure of detailed information about hedges [line items]
Investment property
Investment property
Fair value of net assets acquired
Identifiable assets acquired (liabilities assumed)
Issue of ordinary shares
Issue Of Ordinary Shares
Issue Of Ordinary Shares
Change in cash and cash equivalents
Increase (decrease) in cash and cash equivalents before effect of exchange rate changes
Forecast
Forecast [Member]
Investments accounted for using equity method [abstract [Line Items]
Disclosure of subsidiaries [line items]
Issue of other equity instruments
Issue of equity
Other debt instruments
Other Debt Instruments [Member]
Other Debt Instruments
Retirement benefit assets
Net defined benefit asset
Total credit impairment charges, restructuring and specific provisions
Aggregate Operating Credit Impairment (Charges)/Write-Backs, Restructuring And specific Provisions
Aggregate Operating Credit Impairment (Charges)/Write-Backs, Restructuring And specific Provisions
Number of segments
Number Of Segments
Number Of Segments
Capital Risk
Disclosure Of Capital Risk [Text Block]
The disclosure of capital risk.
Exchange rate contracts
Currency swap contract [member]
Charge for the period
Depreciation, property, plant and equipment including right-of-use assets
Stage 1
Stage One Expected Credit Loss [Member]
Stage one expected credit loss.
Property, plant and equipment including right-of-use assets [domain]
Property, plant and equipment including right-of-use assets [domain]
Subsidiaries [domain]
Subsidiaries [domain]
Cost of hedging:
Cost of hedging [abstract]
Corporate & Commercial Banking
Corporate And Commercial Banking [Member]
Corporate and commercial banking.
Funding spread assumption
Funding Spread, Measurement Input [Member]
Funding Spread
DEPOSITS BY CUSTOMERS
Disclosure of deposits from customers [text block]
Impact on CDI
CDI Impact [Member]
CDI Impact
Accumulated impairment
Accumulated impairment
Accumulated impairment [member]
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Abstract]
Disclosure Of Fair Value Measurement Of Assets And Liabilities
Restructuring Project [Domain]
Restructuring Project [Domain]
Restructuring Project [Domain]
Interest rate
Percentage On Other Equity Interest
Percentage on other equity interest.
Santander UK Plc
Santander UK Plc [member]
Santander UK plc.
FINANCIAL INSTRUMENTS
Disclosure of financial instruments [text block]
CONTINGENT LIABILITIES AND COMMITMENTS
Disclosure of commitments and contingent liabilities [text block]
Inflation rate contracts
Inflation Rate Contracts [Member]
Inflation Rate Contracts
Disclosure of reserve repurchase agreements non-trading [abstract]
Disclosure Of Reserve Repurchase Agreements Non-Trading [Abstract]
Disclosure of reserve repurchase agreements non-trading [abstract]
Net cash flows from investing activities
Cash flows from (used in) investing activities
DERIVATIVE FINANCIAL INSTRUMENTS
Disclosure of derivative financial instruments [text block]
Equity and credit contracts
Equity And Credit Contracts [Member]
Equity and credit contracts.
Disclosure of detailed information about intangible assets [line items]
Disclosure of detailed information about intangible assets [line items]
Other - fraud and operational losses
Other, Fraud And Operational Losses [Member]
Other, Fraud And Operational Losses
Staff costs
Employee benefits expense
Schedule of Deposits by Banks
Disclosure Of Deposits By Bank [Table Text Block]
Disclosure of deposits by bank.
Consumer Finance
Consumer Finance [member]
Consumer finance.
Issue of other equity instruments
Proceeds from issuing other equity instruments
Project By Scenario [Domain]
Project By Scenario [Domain]
Project By Scenario [Domain]
Surplus
Surplus [member]
Surplus.
Subject to Lifetime ECL
Lifetime expected credit losses [member]
Summary of NII and EVE Sensitivity of Interest Rate Risk
Disclosure Of NII And Eve Sensitivity Of Interest Rate Risk [Table Text Block]
The disclosure of NIM and EVE sensitivity of interest rate risk.
UK&I MIFs
UK & Ireland Multilateral Interchange Fees [Member]
UK & Ireland Multilateral Interchange Fees
Disclosure of operating segments [table]
Disclosure of operating segments [table]
Repton
Repton [Member]
Repton
Other financial liabilities at fair value through profit or loss
Other Financial Liabilities At Fair Value Through Profit Or Loss
Other financial liabilities at fair value through profit or loss.
Fair value movements
Gains (losses) recognised in profit or loss including exchange differences, fair value measurement, liabilities
Macro hedge of interest rate risk
Portfolio Hedges Of Interest Rate Risk Adjustment To Hedged Assets, Recognised As Of Acquisition Date
Portfolio Hedges Of Interest Rate Risk Adjustment To Hedged Assets, Recognised As Of Acquisition Date
Net operating income
Net Operating Income
Net Operating Income
Segments [axis]
Segments [axis]
Summary of Issuances and Redemptions of Securitisation and Covered Bond Programme
Disclosure Of Issuances And Redemptions Of Securitisation And Covered Bond Programmes [Table Text Block]
Disclosure of issuances and redemptions of securitisation and covered bond programmes.
£325m Sterling preference shares
Issued capital, preference shares
Deposits by customers
Deposits From Customers Recognised As Of Acquisition Date
Deposits From Customers Recognised As Of Acquisition Date
Disclosure Of Financial Assets Designated As Measured At Fair Value Through Profit Or Loss [Table]
Disclosure Of Financial Assets Designated As Measured At Fair Value Through Profit Or Loss [Table]
Disclosure Of Financial Assets Designated As Measured At Fair Value Through Profit Or Loss
Types of hedges [axis]
Types of hedges [axis]
Profit (loss) [abstract]
Profit (loss) [abstract]
Disclosure of non-adjusting events after reporting period [table]
Disclosure of non-adjusting events after reporting period [table]
PROPERTY, PLANT AND EQUIPMENT
Disclosure of property, plant and equipment [text block]
Defined contribution expense
Post-employment benefit expense, defined contribution plans
Amendment Flag
Amendment Flag
Components of equity [domain]
Components of equity [domain]
Dividend paid
Dividends recognised as distributions to owners
Disclosure of operating segments [line items]
Disclosure of operating segments [line items]
Cash paid for AT1 securities
Cash Paid For AT1 Securities
Cash Paid For AT1 Securities
Current tax assets
Current tax assets
Inter-segment (expense)/revenue
Revenue and other operating income
Method of assessment of expected credit losses [domain]
Method of assessment of expected credit losses [domain]
Utilisation and other
Provision used, other provisions
Range [domain]
Range [domain]
Classes of contingent liabilities [axis]
Classes of contingent liabilities [axis]
Interest and similar income
Interest income
- Cost of hedging gains
Gains (losses) on change in value of time value of options, before tax
Components Of Regulatory Capital [Domain]
Components Of Regulatory Capital [Domain]
Components Of Regulatory Capital [Domain]
Scenario [Domain]
Scenario [Domain]
- Funding fair value adjustment
Risk Related Funding Fair Value Adjustment [Member]
Funding fair value adjustment.
Medium-term notes
Medium-Term Notes [Member]
Medium Term Notes
Proceeds from sale of property, plant and equipment and intangible assets
Proceeds from disposals of property, plant and equipment, intangible assets other than goodwill, investment property and other non-current assets
As originally published
Previously stated [member]
Dividends on preference shares and other equity instruments
Dividends Recognised On Preference Shares And Other Equity Instruments
Dividends on preference shares and other equity instruments.
Additional provisions
Additional provisions, other provisions
Cash paid for debt securities
Cash Paid For Debt Securities
Cash Paid For Debt Securities
Notional amount
Notional amount
Other financial assets at FVTPL
Other Financial Assets At Fair Value Through Profit Or Loss, Category [Member]
Other Financial assets at fair value through profit or loss, category [member]
Netting
Netting Contracts [Member]
Netting contracts.
Cash flow hedging
Reserve of cash flow hedges [member]
Continuing involvement in derecognised financial assets by type of transfer [axis]
Continuing involvement in derecognised financial assets by type of transfer [axis]
Disclosure of Analysis of Fair Value of Financial Instruments Carried at Amortised Cost
Disclosure Of Fair Value Of Financial Instruments At Amortised Cost [Table Text Block]
Disclosure of fair value of financial instruments at amortised cost.
Categories of financial liabilities [axis]
Categories of financial liabilities [axis]
External
External [Member]
External.
Key Assumption Applied [Axis]
Key Assumption Applied [Axis]
Key Assumption Applied
Credit impairment of financial instruments [domain]
Credit impairment of financial instruments [domain]
Effective tax rate (percentage)
Average effective tax rate
Fair value
Fair Value at 30 April 2026
At fair value [member]
Counterparty Name [Axis]
Counterparty Name [Axis]
Retirement benefit obligations
Net defined benefit liability
Deposits by banks
Deposits From Banks Recognised As Of Acquisition Date
Deposits From Banks Recognised As Of Acquisition Date
- Income statement transfers
Reclassification adjustments on cash flow hedges, before tax