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] | |||
| Property, plant and equipment |
3,800,000
GBP
|
300,000
GBP
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
900,000
GBP
|
–
GBP
|
— |
| Goodwill |
3,600,000
GBP
|
–
GBP
|
— |
| Investment property [abstract] | |||
| Investment property |
939,000,000
GBP
|
608,700,000
GBP
|
— |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract] | |||
| Investments in joint ventures reported in separate financial statements |
–
GBP
|
100,000
GBP
|
— |
| Investments in associates reported in separate financial statements |
5,300,000
GBP
|
5,600,000
GBP
|
— |
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables |
22,100,000
GBP
|
11,400,000
GBP
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
61,300,000
GBP
|
132,800,000
GBP
|
108,600,000
GBP
|
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
437,000,000
GBP
|
296,600,000
GBP
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Trade and other current payables [abstract] | |||
| Trade and other current payables |
53,400,000
GBP
|
26,300,000
GBP
|
— |
| Issued capital [abstract] | |||
| Issued capital |
4,700,000
GBP
|
3,100,000
GBP
|
— |
| Miscellaneous equity [abstract] | |||
| Merger reserve |
74,300,000
GBP
|
2,300,000
GBP
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
1,054,100,000
GBP
|
759,600,000
GBP
|
— |
| Assets (liabilities) |
490,100,000
GBP
|
361,100,000
GBP
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
83,400,000
GBP
|
144,200,000
GBP
|
— |
| Current liabilities |
55,200,000
GBP
|
26,700,000
GBP
|
— |
| Assets less current liabilities [abstract] |