Annual report pursuant to Section 13 and 15(d)

Share-based compensation - Option Plans (Details)

v3.24.0.1
Share-based compensation - Option Plans (Details)
12 Months Ended
Nov. 01, 2023
Jul. 03, 2023
Jul. 01, 2022
Jul. 01, 2021
Jul. 01, 2020
Jul. 02, 2019
Jul. 05, 2018
Jun. 22, 2018
Jul. 03, 2017
Nov. 28, 2016
Aug. 11, 2016
Jun. 23, 2016
Mar. 16, 2015
GBP (£)
item
Dec. 31, 2023
shares
Share based compensation                            
Contractual term (in years)                           10 years
Number of option schemes | item                         3  
RSU                            
Share based compensation                            
Exercise price | shares                           0.001
Vesting percentage (as a percent)                           25.00%
Vesting period (in years)                           4 years
Contractual term (in years)                         10 years  
Scheme limit, grants as a percentage of fully diluted share capital of the Company immediately following the IPO (as a percent)                         8.00%  
Scheme limit, automatic increase percentage (as a percent)                         4.00%  
Options granted in January 2016 and March 2015                            
Share based compensation                            
Maximum value of option grants per participant | £                         £ 60,000  
Options granted in December 31, 2023 | First anniversary                            
Share based compensation                            
Vesting percentage (as a percent)                           25.00%
Options granted in December 31, 2023 | Monthly installments over the following three years                            
Share based compensation                            
Vesting percentage (as a percent)                           75.00%
Vesting period (in years)                           3 years
Non-executive director | Options granted on June 23, 2016 | First anniversary                            
Share based compensation                            
Vesting percentage (as a percent)                       25.00%    
Vesting period (in years)                       1 year    
Non-executive director | Options granted on June 23, 2016 | Monthly installments over the following two years                            
Share based compensation                            
Vesting percentage (as a percent)                       75.00%    
Vesting period (in years)                       2 years    
Non-executive director | Options granted on August 11, 2016 | First anniversary                            
Share based compensation                            
Vesting percentage (as a percent)                     100.00%      
Vesting period (in years)                     1 year      
Non-executive director | Options granted on November 28, 2016 | First anniversary                            
Share based compensation                            
Vesting percentage (as a percent)                   25.00%        
Vesting period (in years)                   1 year        
Non-executive director | Options granted on November 28, 2016 | Monthly installments over the following two years                            
Share based compensation                            
Vesting percentage (as a percent)                   75.00%        
Vesting period (in years)                   2 years        
Non-executive director | Options granted on July 3, 2017 | First anniversary                            
Share based compensation                            
Vesting percentage (as a percent)                 100.00%          
Vesting period (in years)                 1 year          
Non-executive director | Options granted on June 22, 2018 | First anniversary                            
Share based compensation                            
Vesting percentage (as a percent)               100.00%            
Vesting period (in years)               1 year            
Non-executive director | Options granted in July 5, 2018 | First anniversary                            
Share based compensation                            
Vesting percentage (as a percent)             25.00%              
Vesting period (in years)             1 year              
Non-executive director | Options granted in July 5, 2018 | Monthly installments over the following two years                            
Share based compensation                            
Vesting percentage (as a percent)             75.00%              
Vesting period (in years)             2 years              
Non-executive director | Options granted in July 2, 2019 | First anniversary                            
Share based compensation                            
Vesting percentage (as a percent)           100.00%                
Vesting period (in years)           1 year                
Non-executive director | Options granted in July 1, 2020 | First anniversary                            
Share based compensation                            
Vesting percentage (as a percent)         100.00%                  
Vesting period (in years)         1 year                  
Non-executive director | Options granted in July 1, 2021 | First anniversary                            
Share based compensation                            
Vesting percentage (as a percent)       100.00%                    
Vesting period (in years)       1 year                    
Non-executive director | Options granted in July 1, 2022 | First anniversary                            
Share based compensation                            
Vesting percentage (as a percent)     100.00%                      
Vesting period (in years)     1 year                      
Non-executive director | Options granted in July 3, 2023 | First anniversary                            
Share based compensation                            
Vesting percentage (as a percent)   100.00%                        
Vesting period (in years)   1 year                        
Non-executive director | Options granted in November 1, 2023 | First anniversary                            
Share based compensation                            
Vesting percentage (as a percent) 25.00%                          
Vesting period (in years) 1 year