v3.26.1
Intangible assets (Details 1) - GBP (£)
£ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
MTX228 tolimidone acquired IPRD* [member]      
IfrsStatementLineItems [Line Items]      
Carrying amount [1] £ 2,938 £ 2,938 £ 2,938
MTX230 eRapa acquired IPRD* [member]      
IfrsStatementLineItems [Line Items]      
Carrying amount [1] £ 2,707 £ 2,707
[1] asset is not yet in use and has not started amortising