Statement Of Financial Position [Abstract]
| Concept |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||
| Investment property | — | — | — | — | — | — |
624,695,000
GBP
|
675,497,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other non-current receivables | — | — | — | — | — | — |
3,306,000
GBP
|
4,233,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — | — | — | — |
628,001,000
GBP
|
679,730,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||
| Trade and other current receivables | — | — | — | — | — | — |
3,315,000
GBP
|
3,864,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — |
26,899,000
GBP
|
29,014,000
GBP
|
— | — | — | — | — | — |
29,696,000
GBP
|
— | — | — | — | — | — |
| Current assets | — | — | — | — | — | — |
30,807,000
GBP
|
33,316,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — |
658,808,000
GBP
|
713,046,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital | — | — | — | — | — | — |
3,940,000
GBP
|
3,940,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — | — | — |
26,977,000
GBP
|
84,850,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium | — | — | — | — | — | — |
203,753,000
GBP
|
203,753,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares | — | — | — | — | — | — |
378,000
GBP
|
378,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
93,000
GBP
|
26,977,000
GBP
|
203,753,000
GBP
|
3,940,000
GBP
|
378,000
GBP
|
155,359,000
GBP
|
389,744,000
GBP
|
447,617,000
GBP
|
84,850,000
GBP
|
93,000
GBP
|
203,753,000
GBP
|
3,940,000
GBP
|
378,000
GBP
|
155,359,000
GBP
|
439,285,000
GBP
|
203,753,000
GBP
|
–
GBP
|
71,483,000
GBP
|
378,000
GBP
|
4,033,000
GBP
|
160,394,000
GBP
|
| Liabilities [abstract] | |||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||
| Non-current liabilities | — | — | — | — | — | — |
262,969,000
GBP
|
262,707,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||
| Trade and other current payables | — | — | — | — | — | — |
6,095,000
GBP
|
2,722,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — | — | — | — |
6,095,000
GBP
|
2,722,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — | — | — |
269,064,000
GBP
|
265,429,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |