v3.26.1
Right of use assets (Details) - GBP (£)
£ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Right of use assets    
Balance at the beginning £ 1,969  
Balance at the end 3,006 £ 1,969
Property    
Right of use assets    
Balance at the beginning 1,969  
Balance at the end 3,006 1,969
Property | Cost or valuation    
Right of use assets    
Balance at the beginning 4,188 4,274
Additions 1,897 246
Disposals 0 (332)
Depreciation on disposals 0 (332)
Balance at the end 6,085 4,188
Property | Accumulated depreciation    
Right of use assets    
Balance at the beginning (2,219) (1,821)
Disposals 0 332
Charge for the year 860 730
Depreciation on disposals 0 332
Balance at the end £ (3,079) £ (2,219)