v3.25.0.1
Warrant liabilities - Change in fair value (Details) - GBP (£)
£ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Disclosure of fair value measurement of liabilities [line items]    
Beginning balance £ 133,864 £ 143,918
Ending balance 547,073 133,864
Warrant liabilities    
Disclosure of fair value measurement of liabilities [line items]    
Beginning balance 907 4,961
Change in fair value recognized in profit or loss (479) (3,873)
Foreign exchange movements 6 (181)
Ending balance £ 434 £ 907