Statement Of Financial Position [Abstract]
| Concept |
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 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||
| Assets [abstract] | ||||||||||||
| Non-current assets [abstract] | ||||||||||||
| Investment property | — | — | — |
384,606,000
GBP
|
388,030,000
GBP
|
— | — | — | — | — | — | — |
| Non-current assets | — | — | — |
452, 191
GBP
|
460,217,000
GBP
|
— | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||
| Trade and other current receivables | — | — | — |
1 9,837
GBP
|
21,626,000
GBP
|
— | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
6,005,000
GBP
|
8,419,000
GBP
|
— | — | — | — | — |
11,601,000
GBP
|
— |
| Current assets | — | — | — |
25,842,000
GBP
|
30,045,000
GBP
|
— | — | — | — | — | — | — |
| Assets | — | — | — |
478,033,000
GBP
|
490,262,000
GBP
|
— | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||
| Equity [abstract] | ||||||||||||
| Treasury shares | — | — | — |
37 ,101
GBP
|
37 , 101
GBP
|
— | — | — | — | — | — | — |
| Equity |
105,361,000
GBP
|
219,090,000
GBP
|
37 , 101
GBP
|
287 ,350
GBP
|
300 ,689
GBP
|
219,090,000
GBP
|
37 , 101
GBP
|
118, 700
GBP
|
219, 090
GBP
|
189, 196
GBP
|
372, 183
GBP
|
36, 103
GBP
|
| Liabilities [abstract] | ||||||||||||
| Non-current liabilities [abstract] | ||||||||||||
| Non-current liabilities | — | — | — |
177 ,428
GBP
|
178,601,000
GBP
|
— | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||
| Trade and other current payables | — | — | — |
13,255,000
GBP
|
10,972,000
GBP
|
— | — | — | — | — | — | — |
| Current liabilities | — | — | — |
13,255,000
GBP
|
10 ,972
GBP
|
— | — | — | — | — | — | — |
| Liabilities | — | — | — |
190,683,000
GBP
|
189,573,000
GBP
|
— | — | — | — | — | — | — |
| Equity and liabilities | — | — | — |
478,033,000
GBP
|
490,262,000
GBP
|
— | — | — | — | — | — | — |