v3.25.0.1
Basic and diluted loss per share (Details)
£ / shares in Units, $ / shares in Units, £ in Thousands, $ in Millions
12 Months Ended
Jan. 24, 2025
shares
Dec. 23, 2024
USD ($)
$ / shares
shares
Sep. 20, 2024
Dec. 31, 2024
GBP (£)
£ / shares
shares
Dec. 31, 2023
GBP (£)
£ / shares
shares
Dec. 31, 2022
GBP (£)
£ / shares
shares
Loss per share            
Net loss for the period, basic | £       £ (781,240) £ (59,946) £ (94,375)
Net loss for the period, diluted | £       £ (781,240) £ (59,946) £ (94,375)
Basic loss per share | £ / shares       £ (38.46) £ (3.13) £ (5.26)
Diluted loss per share | £ / shares       £ (38.46) £ (3.13) £ (5.26)
Weighted average issued shares, basic       20,315,572 19,125,061 17,947,038
Weighted average issued shares, diluted       20,315,572 19,125,061 17,947,038
Stock split conversion ratio     0.1      
Convertible loan notes            
Loss per share            
Market value per share | $ / shares   $ 7.42        
Ordinary shares   47,343,585        
Convertible loan notes | First half of principal amount            
Loss per share            
Original Debt, Amount | $   $ 130        
Conversion price (Per share price) | $ / shares   $ 2.75        
Convertible instruments            
Loss per share            
Number of potential ordinary shares       37,198,531    
Convertible instruments | Convertible loan notes            
Loss per share            
Number of potential ordinary shares       37,198,531    
Underwritten public offering | Share transaction            
Loss per share            
Issuance of units 15,000,000          
Number of shares per unit 1          
Underwritten public offering | Share transaction | Tranche A Warrant            
Loss per share            
Number of warrant per unit 0.5          
Underwritten public offering | Share transaction | Tranche B Warrant            
Loss per share            
Number of warrant per unit 0.5