v3.25.4

Fair values of financial assets and liabilities - Schedule of Valuation Adjustments (Details) - GBP (£) £ in Millions | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
FINANCIAL INSTRUMENTS (Details) - Schedule of Valuation Adjustments [Line Items] |  |
Valuation adjustment | £ 144 | £ 190
Credit Valuation Adjustment |  |
FINANCIAL INSTRUMENTS (Details) - Schedule of Valuation Adjustments [Line Items] |  |
Valuation adjustment | 98 | 122
Debit Valuation Adjustment |  |
FINANCIAL INSTRUMENTS (Details) - Schedule of Valuation Adjustments [Line Items] |  |
Valuation adjustment | (43) | (42)
Funding Valuation Adjustment |  |
FINANCIAL INSTRUMENTS (Details) - Schedule of Valuation Adjustments [Line Items] |  |
Valuation adjustment | 29 | 47
Liquidity Adjustment |  |
FINANCIAL INSTRUMENTS (Details) - Schedule of Valuation Adjustments [Line Items] |  |
Valuation adjustment | 57 | 60
Other |  |
FINANCIAL INSTRUMENTS (Details) - Schedule of Valuation Adjustments [Line Items] |  |
Valuation adjustment | £ 3 | £ 3

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