Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
1,670,000
GBP
|
600,000
GBP
|
— |
| Investment property [abstract] | |||
| Investment property |
433,942,000
GBP
|
400,363,000
GBP
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments in joint ventures accounted for using equity method |
30,722,000
GBP
|
29,828,000
GBP
|
— |
| Trade and other non-current receivables [abstract] | |||
| Trade and other non-current receivables |
11,296,000
GBP
|
4,013,000
GBP
|
— |
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables |
37,289,000
GBP
|
56,658,000
GBP
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
263,073,000
GBP
|
216,393,000
GBP
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash [abstract] | |||
| Cash |
27,182,000
GBP
|
11,583,000
GBP
|
12,037,000
GBP
|
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners [abstract] | |||
| Non-current assets or disposal groups classified as held for sale |
18,752,000
GBP
|
59,790,000
GBP
|
— |
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
33,830,000
GBP
|
56,911,000
GBP
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings |
29,744,000
GBP
|
3,067,000
GBP
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Trade and other non-current payables [abstract] | |||
| Trade and other non-current payables |
1,757,000
GBP
|
2,819,000
GBP
|
— |
| Trade and other current payables [abstract] | |||
| Trade and other current payables |
88,087,000
GBP
|
82,499,000
GBP
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Non-current net defined benefit liability |
11,000
GBP
|
114,000
GBP
|
— |
| Issued capital [abstract] | |||
| Issued capital |
32,408,000
GBP
|
32,305,000
GBP
|
— |
| Retained earnings [abstract] | |||
| Retained earnings, profit (loss) for reporting period |
37,956,000
GBP
|
27,838,000
GBP
|
— |
| Retained earnings, excluding profit (loss) for reporting period |
271,322,000
GBP
|
297,439,000
GBP
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Revaluation surplus |
225,177,000
GBP
|
174,520,000
GBP
|
— |
| Miscellaneous equity [abstract] | |||
| Capital redemption reserve |
257,000
GBP
|
257,000
GBP
|
— |
| Merger reserve |
45,667,000
GBP
|
45,667,000
GBP
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
824,438,000
GBP
|
779,482,000
GBP
|
— |
| Liabilities |
186,716,000
GBP
|
176,818,000
GBP
|
— |
| Assets (liabilities) |
637,722,000
GBP
|
602,664,000
GBP
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
346,296,000
GBP
|
344,424,000
GBP
|
— |
| Current liabilities |
120,632,000
GBP
|
92,661,000
GBP
|
— |
| Current assets (liabilities) |
225,664,000
GBP
|
251,763,000
GBP
|
— |
| Assets less current liabilities [abstract] |