Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2024-12-31 |
As at 2023-12-31 |
|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||
| Property, plant and equipment [abstract] | ||
| Property, plant and equipment |
600,000
GBP
|
500,000
GBP
|
| Intangible assets and goodwill [abstract] | ||
| Intangible assets and goodwill |
5,300,000
GBP
|
6 .2
GBP
|
| Investment property [abstract] | ||
| Investment property |
2 , 7 5 0 .1
GBP
|
2 , 7 7 9. 3
GBP
|
| Miscellaneous non-current assets [abstract] | ||
| Non-current derivative financial assets |
—
GBP
|
0 .9
GBP
|
| Trade and other current receivables [abstract] | ||
| Trade and other current receivables |
2 7. 7
GBP
|
2 4 .9
GBP
|
| Classes of current inventories [abstract] | ||
| Current work in progress |
0 .9
GBP
|
1,400,000
GBP
|
| Classes of current inventories, alternative [abstract] | ||
| Cash and cash equivalents [abstract] | ||
| Cash and cash equivalents |
3,500,000
GBP
|
3,200,000
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 |
3,000,000
GBP
|
—
GBP
|
| Miscellaneous current assets [abstract] | ||
| Current derivative financial assets |
200,000
GBP
|
10,500,000
GBP
|
| Non-current portion of non-current borrowings, by type [abstract] | ||
| Non-current portion of non-current loans received |
7 5 7. 2
GBP
|
6 6 4 .5
GBP
|
| Non-current portion of non-current bonds issued |
4 2 9. 3
GBP
|
6 56.4
GBP
|
| Current borrowings and current portion of non-current borrowings, by type [abstract] | ||
| Current loans received and current portion of non-current loans received |
3 . 4
GBP
|
2 .4
GBP
|
| Current bonds issued and current portion of non-current bonds issued |
14 8.3
GBP
|
—
GBP
|
| Trade and other non-current payables [abstract] | ||
| Trade and other non-current payables |
3 .1
GBP
|
4 .1
GBP
|
| Trade and other current payables [abstract] | ||
| Current accruals and current deferred income including current contract liabilities [abstract] | ||
| Current deferred income including current contract liabilities [abstract] | ||
| Current deferred income other than current contract liabilities | — | — |
| Rent deferred income classified as current |
3 1. 4
GBP
|
30 .4
GBP
|
| Trade and other current payables |
3 0. 6
GBP
|
3 1 .7
GBP
|
| Miscellaneous current liabilities [abstract] | ||
| Current derivative financial liabilities |
—
GBP
|
6 . 7
GBP
|
| Issued capital [abstract] | ||
| Issued capital |
1 6 7. 1
GBP
|
1 6 7. 1
GBP
|
| Retained earnings [abstract] | ||
| Retained earnings |
31 8.8
GBP
|
3 6 9.1
GBP
|
| Accumulated other comprehensive income [abstract] | ||
| Reserve of cash flow hedges |
4 .5
GBP
|
7. 0
GBP
|
| Net assets (liabilities) [abstract] | ||
| Assets |
2,79 1.3
GBP
|
2 , 82 6 .9
GBP
|
| Liabilities |
1,415 .3
GBP
|
1,4 03 .0
GBP
|
| Assets (liabilities) |
1,37 6.0
GBP
|
1 , 42 3 .9
GBP
|
| Net current assets (liabilities) [abstract] | ||
| Current assets |
35,300,000
GBP
|
40,000,000
GBP
|
| Current liabilities |
2 13 .7
GBP
|
7 1. 2
GBP
|
| Assets less current liabilities [abstract] |