v3.26.1
Income tax credit/(charge) - Components of income tax expense (benefit) (Details) - GBP (£)
£ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Income tax credit      
Respective rate of corporation tax 25.00% 25.00% 19.00%
UK      
Income tax credit      
UK corporation tax £ 30,341 £ (45) £ 22,661