v3.25.4

Allowance for expected credit losses - Disclosure of Generation of Multiple Economic Assumptions by Quarter and by Year (Details) | Dec. 31, 2025 | Dec. 31, 2024
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Upside | Weighted average |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 1.80% | 1.60%
Unemployment rate | 3.70% | 3.20%
House price growth | 4.80% | 5.10%
Commercial real estate price growth | 3.20% | 3.70%
UK Bank Rate | 4.61% | 5.08%
CPI inflation | 2.90% | 2.80%
Base case | Weighted average |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 1.40% | 1.20%
Unemployment rate | 4.80% | 4.50%
House price growth | 1.90% | 2.00%
Commercial real estate price growth | 0.90% | 1.10%
UK Bank Rate | 3.55% | 3.98%
CPI inflation | 2.60% | 2.50%
Downside | Weighted average |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 0.70% | 0.50%
Unemployment rate | 6.70% | 6.40%
House price growth | (2.60%) | (2.40%)
Commercial real estate price growth | (3.10%) | (2.70%)
UK Bank Rate | 1.85% | 2.36%
CPI inflation | 2.10% | 2.10%
Severe downside | Weighted average |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 0.00% | (0.10%)
Unemployment rate | 8.50% | 8.40%
House price growth | (6.50%) | (6.70%)
Commercial real estate price growth | (8.00%) | (7.50%)
UK Bank Rate | 1.24% |
CPI inflation | 1.60% |
UK Bank Rate – modelled |  | 1.62%
UK Bank Rate - adjusted |  | 3.19%
CPI inflation – modelled |  | 1.70%
CPI inflation - adjusted |  | 2.10%
Probability-weighted | Weighted average |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 1.20% | 1.00%
Unemployment rate | 5.40% | 5.10%
House price growth | 0.60% | 0.80%
Commercial real estate price growth | (0.40%) | (0.10%)
UK Bank Rate | 3.13% |
CPI inflation | 2.40% |
UK Bank Rate – modelled |  | 3.59%
UK Bank Rate - adjusted |  | 3.74%
CPI inflation – modelled |  | 2.40%
CPI inflation - adjusted |  | 2.40%
Upside | Start to peak |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 9.40% | 8.90%
Unemployment rate | 5.10% | 4.40%
House price growth | 26.40% | 28.20%
Commercial real estate price growth | 17.30% | 20.00%
UK Bank Rate | 5.39% | 5.50%
CPI inflation | 3.80% | 3.50%
Upside | Start to trough |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 0.70% | 0.70%
Unemployment rate | 3.00% | 2.70%
House price growth | (0.10%) | 0.40%
Commercial real estate price growth | 0.60% | (0.80%)
UK Bank Rate | 3.75% | 4.50%
CPI inflation | 2.10% | 2.00%
Base case | Start to peak |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 7.60% | 7.00%
Unemployment rate | 5.30% | 4.80%
House price growth | 9.80% | 10.50%
Commercial real estate price growth | 4.40% | 5.40%
UK Bank Rate | 4.50% | 5.25%
CPI inflation | 3.80% | 3.50%
Base case | Start to trough |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 0.70% | 0.70%
Unemployment rate | 4.50% | 4.20%
House price growth | (0.10%) | 0.40%
Commercial real estate price growth | 0.60% | (0.80%)
UK Bank Rate | 3.25% | 3.50%
CPI inflation | 2.10% | 2.00%
Downside | Start to peak |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 3.60% | 3.20%
Unemployment rate | 7.60% | 7.50%
House price growth | 0.90% | 4.00%
Commercial real estate price growth | 1.30% | 0.70%
UK Bank Rate | 4.50% | 5.25%
CPI inflation | 3.80% | 3.50%
Downside | Start to trough |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 0.10% | 0.00%
Unemployment rate | 4.50% | 4.20%
House price growth | (12.20%) | (11.40%)
Commercial real estate price growth | (14.40%) | (12.90%)
UK Bank Rate | 0.45% | 0.59%
CPI inflation | 0.80% | 0.90%
Severe downside | Start to peak |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 1.30% | 1.20%
Unemployment rate | 10.30% | 10.20%
House price growth | 0.80% | 3.40%
Commercial real estate price growth | 1.30% | 0.70%
UK Bank Rate | 4.50% |
CPI inflation | 3.80% |
UK Bank Rate – modelled |  | 5.25%
UK Bank Rate - adjusted |  | 5.25%
CPI inflation – modelled |  | 3.50%
CPI inflation - adjusted |  | 3.90%
Severe downside | Start to trough |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | (2.80%) | (2.40%)
Unemployment rate | 4.50% | 4.20%
House price growth | (28.40%) | (29.20%)
Commercial real estate price growth | (34.00%) | (32.30%)
UK Bank Rate | 0.01% |
CPI inflation | (0.70%) |
UK Bank Rate – modelled |  | 0.02%
UK Bank Rate - adjusted |  | 1.88%
CPI inflation – modelled |  | (0.20%)
CPI inflation - adjusted |  | 0.70%
Probability-weighted | Start to peak |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 6.10% | 5.70%
Unemployment rate | 5.80% | 5.50%
House price growth | 2.80% | 5.30%
Commercial real estate price growth | 1.30% | 0.70%
UK Bank Rate | 4.50% |
CPI inflation | 3.80% |
UK Bank Rate – modelled |  | 5.25%
UK Bank Rate - adjusted |  | 5.25%
CPI inflation – modelled |  | 3.50%
CPI inflation - adjusted |  | 3.50%
Probability-weighted | Start to trough |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 0.70% | 0.70%
Unemployment rate | 4.50% | 4.20%
House price growth | (0.10%) | 0.40%
Commercial real estate price growth | (2.60%) | (1.30%)
UK Bank Rate | 2.64% |
CPI inflation | 1.80% |
UK Bank Rate – modelled |  | 2.88%
UK Bank Rate - adjusted |  | 3.06%
CPI inflation – modelled |  | 1.80%
CPI inflation - adjusted |  | 1.90%
2025 % | Upside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 1.40% | 0.80%
Unemployment rate | 4.80% | 4.30%
House price growth | 0.80% | 3.40%
Commercial real estate price growth | 1.20% | 0.70%
UK Bank Rate | 4.13% | 5.06%
CPI inflation | 3.40% | 2.60%
2025 % | Base case |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 1.40% | 0.80%
Unemployment rate | 4.80% | 4.30%
House price growth | 0.80% | 3.40%
Commercial real estate price growth | 1.20% | 0.70%
UK Bank Rate | 4.13% | 5.06%
CPI inflation | 3.40% | 2.60%
2025 % | Downside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 1.40% | 0.80%
Unemployment rate | 4.80% | 4.30%
House price growth | 0.80% | 3.40%
Commercial real estate price growth | 1.20% | 0.70%
UK Bank Rate | 4.13% | 5.06%
CPI inflation | 3.40% | 2.60%
2025 % | Severe downside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 1.40% | 0.80%
Unemployment rate | 4.80% | 4.30%
House price growth | 0.80% | 3.40%
Commercial real estate price growth | 1.20% | 0.70%
UK Bank Rate | 4.13% |
CPI inflation | 3.40% |
UK Bank Rate – modelled |  | 5.06%
UK Bank Rate - adjusted |  | 5.06%
CPI inflation – modelled |  | 2.60%
CPI inflation - adjusted |  | 2.60%
2025 % | Probability-weighted |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 1.40% | 0.80%
Unemployment rate | 4.80% | 4.30%
House price growth | 0.80% | 3.40%
Commercial real estate price growth | 1.20% | 0.70%
UK Bank Rate | 4.13% |
CPI inflation | 3.40% |
UK Bank Rate – modelled |  | 5.06%
UK Bank Rate - adjusted |  | 5.06%
CPI inflation – modelled |  | 2.60%
CPI inflation - adjusted |  | 2.60%
2026 % | Upside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 2.00% | 1.90%
Unemployment rate | 4.20% | 3.50%
House price growth | 3.50% | 3.70%
Commercial real estate price growth | 7.90% | 7.80%
UK Bank Rate | 3.94% | 4.71%
CPI inflation | 2.60% | 2.80%
2026 % | Base case |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 1.20% | 1.00%
Unemployment rate | 5.20% | 4.70%
House price growth | 1.60% | 2.10%
Commercial real estate price growth | 0.60% | 0.30%
UK Bank Rate | 3.44% | 4.19%
CPI inflation | 2.60% | 2.80%
2026 % | Downside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | (0.30%) | (0.50%)
Unemployment rate | 6.60% | 6.00%
House price growth | (0.20%) | 0.60%
Commercial real estate price growth | (7.10%) | (7.80%)
UK Bank Rate | 2.74% | 3.53%
CPI inflation | 2.60% | 2.80%
2026 % | Severe downside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | (1.90%) | (1.90%)
Unemployment rate | 8.30% | 7.70%
House price growth | (1.20%) | (0.80%)
Commercial real estate price growth | (17.40%) | (17.40%)
UK Bank Rate | 1.91% |
CPI inflation | 2.60% |
UK Bank Rate – modelled |  | 2.68%
UK Bank Rate - adjusted |  | 4.03%
CPI inflation – modelled |  | 2.80%
CPI inflation - adjusted |  | 3.60%
2026 % | Probability-weighted |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 0.70% | 0.50%
Unemployment rate | 5.60% | 5.00%
House price growth | 1.30% | 1.80%
Commercial real estate price growth | (1.30%) | (1.70%)
UK Bank Rate | 3.23% |
CPI inflation | 2.60% |
UK Bank Rate – modelled |  | 4.00%
UK Bank Rate - adjusted |  | 4.13%
CPI inflation – modelled |  | 2.80%
CPI inflation - adjusted |  | 2.90%
2027 % | Upside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 2.30% | 2.20%
Unemployment rate | 3.20% | 2.80%
House price growth | 7.10% | 6.50%
Commercial real estate price growth | 4.90% | 6.70%
UK Bank Rate | 4.59% | 5.02%
CPI inflation | 2.40% | 2.60%
2027 % | Base case |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 1.40% | 1.40%
Unemployment rate | 4.80% | 4.70%
House price growth | 1.90% | 1.00%
Commercial real estate price growth | 1.70% | 2.50%
UK Bank Rate | 3.25% | 3.63%
CPI inflation | 2.20% | 2.40%
2027 % | Downside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | (0.50%) | (0.40%)
Unemployment rate | 7.50% | 7.40%
House price growth | (4.70%) | (5.50%)
Commercial real estate price growth | (4.20%) | (3.10%)
UK Bank Rate | 1.09% | 1.56%
CPI inflation | 2.00% | 2.30%
2027 % | Severe downside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | (1.80%) | (1.50%)
Unemployment rate | 10.20% | 10.00%
House price growth | (11.10%) | (12.40%)
Commercial real estate price growth | (9.80%) | (8.50%)
UK Bank Rate | 0.10% |
CPI inflation | 1.70% |
UK Bank Rate – modelled |  | 0.28%
UK Bank Rate - adjusted |  | 2.70%
CPI inflation – modelled |  | 1.90%
CPI inflation - adjusted |  | 2.10%
2027 % | Probability-weighted |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 0.80% | 0.80%
Unemployment rate | 5.70% | 5.50%
House price growth | 0.20% | (0.70%)
Commercial real estate price growth | (0.30%) | 1.00%
UK Bank Rate | 2.69% |
CPI inflation | 2.20% |
UK Bank Rate – modelled |  | 3.09%
UK Bank Rate - adjusted |  | 3.33%
CPI inflation – modelled |  | 2.40%
CPI inflation - adjusted |  | 2.40%
2028 % | Upside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 1.60% | 1.50%
Unemployment rate | 3.10% | 2.70%
House price growth | 6.90% | 6.60%
Commercial real estate price growth | 1.70% | 3.20%
UK Bank Rate | 5.07% | 5.19%
CPI inflation | 2.80% | 2.90%
2028 % | Base case |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 1.50% | 1.50%
Unemployment rate | 4.60% | 4.50%
House price growth | 2.20% | 1.40%
Commercial real estate price growth | 0.50% | 1.90%
UK Bank Rate | 3.44% | 3.50%
CPI inflation | 2.20% | 2.40%
2028 % | Downside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 1.10% | 1.00%
Unemployment rate | 7.40% | 7.40%
House price growth | (5.70%) | (6.60%)
Commercial real estate price growth | (2.70%) | (0.90%)
UK Bank Rate | 0.75% | 0.96%
CPI inflation | 1.40% | 1.80%
2028 % | Severe downside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 0.70% | 0.70%
Unemployment rate | 9.90% | 10.00%
House price growth | (12.20%) | (13.60%)
Commercial real estate price growth | (7.40%) | (5.50%)
UK Bank Rate | 0.03% |
CPI inflation | 0.50% |
UK Bank Rate – modelled |  | 0.08%
UK Bank Rate - adjusted |  | 2.23%
CPI inflation – modelled |  | 1.00%
CPI inflation - adjusted |  | 1.40%
2028 % | Probability-weighted |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 1.30% | 1.20%
Unemployment rate | 5.50% | 5.40%
House price growth | (0.20%) | (1.00%)
Commercial real estate price growth | (0.90%) | 0.70%
UK Bank Rate | 2.78% |
CPI inflation | 2.00% |
UK Bank Rate – modelled |  | 2.90%
UK Bank Rate - adjusted |  | 3.12%
CPI inflation – modelled |  | 2.20%
CPI inflation - adjusted |  | 2.30%
2029 % | Upside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 1.60% | 1.40%
Unemployment rate | 3.20% | 2.80%
House price growth | 6.00% | 5.40%
Commercial real estate price growth | 0.80% | 0.50%
UK Bank Rate | 5.33% | 5.42%
CPI inflation | 3.10% | 3.00%
2029 % | Base case |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 1.60% | 1.50%
Unemployment rate | 4.50% | 4.50%
House price growth | 3.10% | 2.40%
Commercial real estate price growth | 0.20% | 0.00%
UK Bank Rate | 3.50% | 3.50%
CPI inflation | 2.30% | 2.20%
2029 % | Downside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 1.60% | 1.50%
Unemployment rate | 7.00% | 7.10%
House price growth | (2.80%) | (3.40%)
Commercial real estate price growth | (2.30%) | (2.30%)
UK Bank Rate | 0.52% | 0.68%
CPI inflation | 1.00% | 1.20%
2029 % | Severe downside |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 1.40% | 1.30%
Unemployment rate | 9.40% | 9.70%
House price growth | (7.80%) | (8.80%)
Commercial real estate price growth | (5.40%) | (5.70%)
UK Bank Rate | 0.01% |
CPI inflation | (0.40%) |
UK Bank Rate – modelled |  | 0.02%
UK Bank Rate - adjusted |  | 1.95%
CPI inflation – modelled |  | 0.10%
CPI inflation - adjusted |  | 0.80%
2029 % | Probability-weighted |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 1.60% | 1.40%
Unemployment rate | 5.40% | 5.30%
House price growth | 1.10% | 0.40%
Commercial real estate price growth | (0.90%) | (1.10%)
UK Bank Rate | 2.81% |
CPI inflation | 1.90% |
UK Bank Rate – modelled |  | 2.88%
UK Bank Rate - adjusted |  | 3.08%
CPI inflation – modelled |  | 1.90%
CPI inflation - adjusted |  | 2.00%
First quarter 2025 % | Base case |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 0.70% | 0.70%
Unemployment rate | 4.50% | 4.30%
House price growth | 2.90% | 0.40%
Commercial real estate price growth | 2.50% | (5.30%)
UK Bank Rate | 4.50% | 5.25%
CPI inflation | 2.80% | 3.50%
Second quarter 2025 % | Base case |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 0.30% | 0.40%
Unemployment rate | 4.70% | 4.20%
House price growth | 2.70% | 1.80%
Commercial real estate price growth | 2.60% | (4.70%)
UK Bank Rate | 4.25% | 5.25%
CPI inflation | 3.50% | 2.10%
Third quarter 2025 % | Base case |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 0.10% | 0.00%
Unemployment rate | 5.00% | 4.30%
House price growth | 1.30% | 4.60%
Commercial real estate price growth | 2.60% | (2.80%)
UK Bank Rate | 4.00% | 5.00%
CPI inflation | 3.80% | 2.00%
Fourth quarter 2025 % | Base case |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 0.30% | 0.10%
Unemployment rate | 5.10% | 4.40%
House price growth | 0.80% | 3.40%
Commercial real estate price growth | 1.20% | 0.70%
UK Bank Rate | 3.75% | 4.75%
CPI inflation | 3.70% | 2.50%
First quarter 2026 % | Base case |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 0.30% | 0.20%
Unemployment rate | 5.30% | 4.50%
House price growth | 1.30% | 3.60%
Commercial real estate price growth | 0.50% | 1.80%
UK Bank Rate | 3.75% | 4.50%
CPI inflation | 3.30% | 2.40%
Second quarter 2026 % | Base case |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 0.30% | 0.30%
Unemployment rate | 5.30% | 4.60%
House price growth | 1.60% | 4.00%
Commercial real estate price growth | 0.20% | 1.40%
UK Bank Rate | 3.50% | 4.25%
CPI inflation | 2.60% | 3.00%
Third quarter 2026 % | Base case |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 0.40% | 0.30%
Unemployment rate | 5.20% | 4.70%
House price growth | 1.60% | 3.00%
Commercial real estate price growth | 0.10% | 0.90%
UK Bank Rate | 3.25% | 4.00%
CPI inflation | 2.20% | 2.90%
Fourth quarter 2026 % | Base case |  |
Schedule Of Allowance Account For Credit Losses Of Financial Assets [Line Items] |  |
Gross domestic product growth | 0.40% | 0.30%
Unemployment rate | 5.10% | 4.80%
House price growth | 1.60% | 2.10%
Commercial real estate price growth | 0.60% | 0.30%
UK Bank Rate | 3.25% | 4.00%
CPI inflation | 2.20% | 2.70%

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