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Current deferred liabilities (Tables)
12 Months Ended
Dec. 31, 2020
Current deferred liabilities [Abstract]  
Deferred liabilities
  
2020
£’000
  
2019
£’000
 
Deferred revenue
  
27,118
   
28,457
 
Deferred rent
  
-
   
65
 
   
27,118
   
28,522