Statement Of Comprehensive Income [Abstract]
| Concept | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 
|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||
| Profit (loss) | — | 
                                                47,237,280
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | — | — | 
                                                46,097,418
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | — | 
| Comprehensive income | 
                                                –
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
                                                47,237,280
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
                                                47,237,280
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
                                                46,097,418
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
                                                46,097,418
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
                                                –
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             |