Statement Of Cash Flows [Abstract]
| Concept | 2024-04-01 to 2025-03-31 | 2023-04-01 to 2024-03-31 | 
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) operating activities [abstract] | ||
| Adjustments for interest expense | 
                                                –
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
                                                196,319
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
| Adjustments for interest income | 
                                                453,822
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
                                                246,274
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
| Adjustments for decrease (increase) in trade and other receivables | 
                                                55,578
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
                                                3,046
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
| Adjustments for increase (decrease) in trade and other payables | 
                                                8,301
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
                                                31,621
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
| Adjustments for increase (decrease) in deferred income including contract liabilities [abstract] | ||
| Adjustments for increase (decrease) in deferred income other than contract liabilities | 
                                                51,850,558
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
                                                30,138,469
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
| Adjustments for amortisation expense | 
                                                –
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
                                                79,598
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
| Adjustments for depreciation expense | 
                                                18,975,040
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
                                                26,973,885
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
| Cash flows from (used in) investing activities [abstract] | ||
| Proceeds from sales of investments other than investments accounted for using equity method | 
                                                –
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
                                                474,385
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             |