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Expenses by nature - Issuance of Z-Shares to American and Issuance of PIPE shares to suppliers and partners (Details)
 12 Months Ended
Jun. 10, 2021
GBP (£)
item
shares
Jun. 10, 2021
GBP (£)
$ / shares
shares
Dec. 31, 2021
GBP (£)
Dec. 31, 2021
$ / shares
Disclosure of terms and conditions of share-based payment arrangement [line items]        
Percentage of common shares subject to call option exercisable     50.00%  
Fair Value of Other Equity Instruments        
Amount of valuation by using volatility assumption of 50% £ 19,616,000 £ 19,616,000    
Expense from share-based payment transactions     £ 111,996,000  
Issuance of Class Z shares to American        
Disclosure of terms and conditions of share-based payment arrangement [line items]        
Par value per share | $ / shares       $ 0.00001
Fair Value of Other Equity Instruments        
Probability adjusted valuation 16,739,000 16,739,000    
Expense from share-based payment transactions £ 16,739,000   16,739,000  
Issuance of Class Z shares to American | Vertical Aerospace Group Ltd        
Disclosure of terms and conditions of share-based payment arrangement [line items]        
Number of shares subscribed 5,804      
Consideration for shares subscribed £ 0.06 £ 0.06    
Issuance of Class Z shares to American | Business combination does not complete        
Disclosure of terms and conditions of share-based payment arrangement [line items]        
Number of shares retained | shares 5,804 5,804    
Actual share price | $ / shares   £ 9.93    
Percentage of holding 3.96%      
Fair Value of Other Equity Instruments        
Value of Z-Shares as at June 10, 2021 £ 2,558,000 £ 2,558,000    
Fair value of Z-Shares as at June 10, 2021 £ 2,558,000 £ 2,558,000    
Issuance of Class Z shares to American | Business combination completes        
Disclosure of terms and conditions of share-based payment arrangement [line items]        
Actual share price | $ / shares   £ 9.93    
Percentage of Class Z shares exchanged 100.00%      
Number of Class Z Shares exchanged for common shares | shares 6,125,000 6,125,000    
Lock-up period for shares exchanged 4 years      
Percentage of common shares subject to call option exercisable 50.00%      
Exercise price of call option exercisable | $ / shares   £ 18    
Number of tranches for call option exercisable | item 2      
Measurement of Other Equity Instruments        
Risk-free rate 0.75%      
Volatility 75.00%      
Fair Value of Other Equity Instruments        
Value of Z-Shares as at June 10, 2021 £ 30,105,000 £ 30,105,000    
Less valuation of call option (8,121,000) (8,121,000)    
Fair value of Z-Shares as at June 10, 2021 £ 21,984,000 £ 21,984,000    
Issuance of PIPE shares to suppliers and partners        
Fair Value of Other Equity Instruments        
Expense from share-based payment transactions     £ 10,389,000