v3.26.1
Financial instruments - risk management (Details 3) - GBP (£)
£ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
IfrsStatementLineItems [Line Items]        
Loss before tax £ (6,489) £ (5,979) £ (7,485)  
Total equity 11,405 8,322 4,678 £ 3,162
Foreign currency sensitivity analysis [member] | United States of America, Dollars        
IfrsStatementLineItems [Line Items]        
Loss before tax 1,068 146 373  
Total equity 1,068 146 373  
Foreign currency sensitivity analysis [member] | Euro Member Countries, Euro        
IfrsStatementLineItems [Line Items]        
Loss before tax 2  
Total equity 2  
Foreign currency sensitivity analysis [member] | Other [member]        
IfrsStatementLineItems [Line Items]        
Loss before tax (1)  
Total equity £ (1)