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] | |||
| Trade and other current receivables [abstract] | |||
| Current prepayments and current accrued income other than current contract assets [abstract] | |||
| Current prepayments and current accrued income other than current contract assets |
2,895,000
GBP
|
951,000
GBP
|
— |
| Categories of non-current financial assets [abstract] | |||
| Non-current financial assets |
93,537,000
GBP
|
82,574,000
GBP
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
25,439,000
GBP
|
31,497,000
GBP
|
14,001,000
GBP
|
| Trade and other current payables [abstract] | |||
| Current accruals and current deferred income including current contract liabilities [abstract] | |||
| Current accruals and current deferred income including current contract liabilities |
620,000
GBP
|
191,000
GBP
|
— |
| Issued capital [abstract] | |||
| Issued capital |
49,302,000
GBP
|
47,615,000
GBP
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Revaluation surplus |
6,779,000
GBP
|
882,000
GBP
|
— |
| Miscellaneous equity [abstract] | |||
| Capital redemption reserve |
8,476,000
GBP
|
6,658,000
GBP
|
— |
| Capital reserve |
20,451,000
GBP
|
28,099,000
GBP
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets (liabilities) |
121,251,000
GBP
|
114,831,000
GBP
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
28,334,000
GBP
|
32,448,000
GBP
|
— |
| Current assets (liabilities) |
27,714,000
GBP
|
32,257,000
GBP
|
— |