Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2024-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
7 8 .9
GBP
|
91. 7
GBP
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
1,9 8 9. 3
GBP
|
2,0 3 8. 3
GBP
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments in associates accounted for using equity method |
32 .3
GBP
|
3 3.9
GBP
|
— |
| Investments accounted for using equity method |
1. 2
GBP
|
1. 0
GBP
|
— |
| Trade and other non-current receivables [abstract] | |||
| Non-current prepayments and non-current accrued income other than non-current contract assets [abstract] | |||
| Non-current prepayments |
2 .4
GBP
|
2,800,000
GBP
|
— |
| Non-current prepayments and non-current accrued income including non-current contract assets [abstract] | |||
| Miscellaneous non-current assets [abstract] | |||
| Non-current derivative financial assets |
13 .1
GBP
|
15 . 8
GBP
|
— |
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables |
13 2 . 6
GBP
|
13 8 . 0
GBP
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
26 5.4
GBP
|
256,200,000
GBP
|
3 17. 6
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 or as held for distribution to owners |
900,000
GBP
|
–
GBP
|
— |
| Miscellaneous current assets [abstract] | |||
| Current derivative financial assets |
–
GBP
|
1. 6
GBP
|
— |
| Miscellaneous assets [abstract] | |||
| Restricted cash and cash equivalents |
1 6.5
GBP
|
2 2 .6
GBP
|
— |
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
1,733. 1
GBP
|
1 , 6 5 7. 2
GBP
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings |
4 .6
GBP
|
3,900,000
GBP
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Trade and other current payables [abstract] | |||
| Trade and other current payables |
3 9 1.1
GBP
|
3 8 7. 5
GBP
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Non-current derivative financial liabilities |
15 . 8
GBP
|
2 9. 9
GBP
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Current derivative financial liabilities |
31. 3
GBP
|
23,500,000
GBP
|
— |
| Current deposits from customers |
118 . 3
GBP
|
1 2 7. 8
GBP
|
— |
| Issued capital [abstract] | |||
| Issued capital |
2,200,000
GBP
|
2,200,000
GBP
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
2 71. 2
GBP
|
8 2. 4
GBP
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Reserve of exchange differences on translation |
3 . 2
GBP
|
1. 8
GBP
|
— |
| Reserve of cash flow hedges |
4,300,000
GBP
|
1 4.6
GBP
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
2 , 67 0 . 5
GBP
|
2 , 74 7. 6
GBP
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
432 .5
GBP
|
4 4 9.1
GBP
|
— |
| Current liabilities |
6 6 9. 0
GBP
|
666,900,000
GBP
|
— |
| Assets less current liabilities [abstract] |