v3.25.0.1
Financial risk management and impairment of financial assets - Credit risk and impairment (Details)
£ in Thousands, $ in Thousands
Dec. 31, 2024
GBP (£)
Dec. 31, 2024
USD ($)
Sep. 30, 2024
GBP (£)
Jun. 30, 2024
GBP (£)
Dec. 31, 2023
GBP (£)
Dec. 31, 2022
GBP (£)
Dec. 31, 2021
GBP (£)
Financial risk management and impairment of financial assets              
Cash and cash equivalents £ 22,556   £ 42,806 £ 66,786 £ 48,680 £ 62,927 £ 212,660
Restricted cash in relation to rent guarantees              
Financial risk management and impairment of financial assets              
Restricted cash 1,700       1,700    
Restricted cash included in cash at bank in order to satisfy certain covenants              
Financial risk management and impairment of financial assets              
Cash at bank held to satisfy covenant under contract 7,981       7,845    
USD              
Financial risk management and impairment of financial assets              
Balances with banks | $   $ 8,263          
Credit risk              
Financial risk management and impairment of financial assets              
Maximum exposure to credit risk 632       875    
Credit risk | Trade receivables | Accumulated impairment              
Financial risk management and impairment of financial assets              
loss allowance £ 0       £ 0