Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept | As at 2025-03-31 | As at 2024-03-31 | As at 2023-03-31 | 
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Vehicles [abstract] | |||
| Aircraft | 
                                                –
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
                                                167,283,686
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | — | 
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables | 
                                                95,291
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
                                                150,869
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | — | 
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents | 
                                                15,499,951
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
                                                14,588,898
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
                                                13,692,410
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
| Trade and other non-current payables [abstract] | |||
| Non-current accruals and non-current deferred income including non-current contract liabilities [abstract] | |||
| Non-current deferred income including non-current contract liabilities [abstract] | |||
| Non-current deferred income other than non-current contract liabilities | — | — | — | 
| Rent deferred income classified as non-current | 
                                                –
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
                                                30,920,532
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | — | 
| Trade and other current payables [abstract] | |||
| Current accruals and current deferred income including current contract liabilities [abstract] | |||
| Current deferred income including current contract liabilities [abstract] | |||
| Current deferred income other than current contract liabilities | — | — | — | 
| Rent deferred income classified as current | 
                                                30,931,556
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
                                                51,861,582
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | — | 
| Trade and other current payables | 
                                                65,574
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
                                                57,273
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | — | 
| Issued capital [abstract] | |||
| Issued capital | 
                                                208,953,833
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
                                                208,953,833
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | — | 
| Retained earnings [abstract] | |||
| Retained earnings | 
                                                80,682,487
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
                                                109,769,767
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | — | 
| Net assets (liabilities) [abstract] | |||
| Assets | 
                                                159,268,476
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
                                                182,023,453
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | — | 
| Liabilities | 
                                                30,997,130
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
                                                82,839,387
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | — | 
| Assets (liabilities) | 
                                                128,271,346
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
                                                99,184,066
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | — | 
| Net current assets (liabilities) [abstract] | |||
| Current assets | 
                                                159,268,476
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
                                                14,739,767
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | — | 
| Current liabilities | 
                                                30,997,130
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
                                                51,918,855
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | — | 
| Assets less current liabilities [abstract] |