v3.25.4

Allowance for expected credit losses - Schedule of ECL Sensitivity to Economic Assumptions (Details) - GBP (£) £ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Probability-weighted |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | £ 3,228 | £ 3,481
Probability-weighted | Allowance for expected credit losses |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Increase in ECL | 366 | 445
Upside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 2,466 | 2,467
Base case |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 2,862 | 3,036
Downside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 3,672 | 3,988
Severe downside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 5,275 | 6,338
1pp increase in unemployment £m |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 148 | 203
1pp decrease in unemployment £m |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | (137) | (171)
10pp increase in HPI £m |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | (172) | (207)
10pp decrease in HPI £m |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 261 | 312
Retail – UK mortgages | Probability-weighted |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 731 | 852
Retail – UK mortgages | Upside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 341 | 345
Retail – UK mortgages | Base case |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 510 | 567
Retail – UK mortgages | Downside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 937 | 1,064
Retail – UK mortgages | Severe downside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 1,943 | 2,596
Retail – UK mortgages | 1pp increase in unemployment £m |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 11 | 13
Retail – UK mortgages | 1pp decrease in unemployment £m |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | (11) | (12)
Credit cards | Probability-weighted |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 603 | 674
Credit cards | Upside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 498 | 518
Credit cards | Base case |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 579 | 641
Credit cards | Downside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 674 | 773
Credit cards | Severe downside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 777 | 945
Credit cards | 1pp increase in unemployment £m |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 54 | 54
Credit cards | 1pp decrease in unemployment £m |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | (53) | (53)
Other Retail | Probability-weighted |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 991 | 950
Other Retail | Upside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 922 | 843
Other Retail | Base case |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 969 | 923
Other Retail | Downside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 1,036 | 1,010
Other Retail | Severe downside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 1,126 | 1,172
Other Retail | 1pp increase in unemployment £m |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 25 | 23
Other Retail | 1pp decrease in unemployment £m |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | (25) | (24)
Commercial Banking | Probability-weighted |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 888 | 989
Commercial Banking | Upside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 690 | 745
Commercial Banking | Base case |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 789 | 889
Commercial Banking | Downside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 1,010 | 1,125
Commercial Banking | Severe downside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 1,414 | 1,608
Commercial Banking | 1pp increase in unemployment £m |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 58 | 113
Commercial Banking | 1pp decrease in unemployment £m |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | (48) | (82)
Other | Probability-weighted |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 15 | 16
Other | Upside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 15 | 16
Other | Base case |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 15 | 16
Other | Downside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | 15 | 16
Other | Severe downside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
ECL allowance | £ 15 | £ 17

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