Statement Of Financial Position [Abstract]
| Concept |
As at 2025-03-31 |
As at 2025-03-31 |
As at 2025-03-31 |
As at 2025-03-31 |
As at 2025-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||
| Assets [abstract] | |||||||||||||||
| Investment property | — | — |
404, 798
GBP
|
— | — | — | — | — | — |
384,606,000
GBP
|
— | — | — | — | — |
| Cash and cash equivalents | — | — |
3,720,000
GBP
|
— | — | — | — | — | — |
6,005,000
GBP
|
8,419,000
GBP
|
— | — | — | — |
| Assets | — | — |
496,869,000
GBP
|
— | — | — | — | — | — |
478,033,000
GBP
|
— | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Treasury shares | — | — |
37 , 101
GBP
|
— | — | — | — | — | — |
37,101,000
GBP
|
— | — | — | — | — |
| Equity |
338,478,000
GBP
|
119,388,000
GBP
|
301,377,000
GBP
|
219,090,000
GBP
|
37 ,101
GBP
|
105,361,000
GBP
|
219, 090
GBP
|
324,451,000
GBP
|
37 , 101
GBP
|
287,350,000
GBP
|
300, 689
GBP
|
219, 090
GBP
|
337 , 790
GBP
|
37 , 101
GBP
|
118, 700
GBP
|
| Liabilities [abstract] | |||||||||||||||
| Liabilities | — | — |
195,492,000
GBP
|
— | — | — | — | — | — |
190,683,000
GBP
|
— | — | — | — | — |
| Equity and liabilities | — | — |
496,869,000
GBP
|
— | — | — | — | — | — |
478,033,000
GBP
|
— | — | — | — | — |