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Basic and diluted loss per share
 6 Months Ended
Jun. 30, 2023
Basic and diluted loss per share [Abstract]  
Basic and diluted loss per share
7. Basic and diluted loss per share
 
   
For the three months ended
June 30,
    
For the six months ended
June 30,
  
   
2023
    
2022
    
2023
    
2022
  
Loss for the period (£’000s)
    
(14,077
)
    
(6,121
)
    
(30,774
)
    
(22,249
)
Basic and diluted weighted average number of shares
    
48,694,047
      
43,935,837
      
48,440,318
      
43,901,011
  
Basic and diluted loss per share (£)
    
(0.29
)
    
(0.14
)
    
(0.64
)
    
(0.51
)


Basic and diluted loss per share is calculated by dividing the loss for the period attributable to the equity holders of the Group by the weighted average number of ordinary shares outstanding during the period, including ordinary shares represented by ADSs. Outstanding share options are considered to be anti-dilutive as they would decrease the loss per share and are, therefore, excluded from the calculation of diluted loss per share.