Income tax credit/(charge) - Additional information (Details) - GBP (£) £ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Income tax credit/(charge) | ||
| Deferred tax assets or liabilities recognized | £ 0 | |
| Unused potential tax losses for which no deferred tax asset is recognized | £ 431,440 | £ 934,012 |
| X | ||||||||||
- Definition The amount of deferred tax liabilities or assets. [Refer: Deferred tax liabilities; Deferred tax assets] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The amount of unused tax losses for which no deferred tax asset is recognised in the statement of financial position. [Refer: Unused tax losses [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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