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 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 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 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — | — |
7 8 .9
GBP
|
91. 7
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — | — | — |
84,500,000
GBP
|
78. 0
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — | — | — | — | — |
1. 2
GBP
|
1. 0
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — | — |
36,300,000
GBP
|
3 7. 0
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — | — | — | — | — |
2,2 38.0
GBP
|
2,2 98. 5
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||
| Trade and other current receivables | — | — | — | — | — | — | — |
13 2 . 6
GBP
|
13 8 . 0
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | — | — | — | — | — | — | — |
900,000
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets | — | — | — | — | — | — | — |
432 .5
GBP
|
4 4 9.1
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — | — |
2 , 67 0 . 5
GBP
|
2 , 74 7. 6
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital | — | — | — | — | — | — | — |
2,200,000
GBP
|
2,200,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — | — | — | — |
2 71. 2
GBP
|
8 2. 4
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium | — | — | — | — | — | — | — |
16 0 . 7
GBP
|
16 0 . 7
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares | — | — | — | — | — | — | — |
600,000
GBP
|
0 . 6
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — | — | — |
116 . 4
GBP
|
6 7. 1
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — | — |
20,600,000
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
2 71. 2
GBP
|
16 0 . 7
GBP
|
2,200,000
GBP
|
2 0.6
GBP
|
3 . 2
GBP
|
600,000
GBP
|
4,300,000
GBP
|
95 . 8
GBP
|
6 7. 1
GBP
|
82 . 4
GBP
|
–
GBP
|
16 0 . 7
GBP
|
2,200,000
GBP
|
1. 8
GBP
|
600,000
GBP
|
14 . 6
GBP
|
15 5 . 2
GBP
|
–
GBP
|
16 0 . 7
GBP
|
1 8 . 0
GBP
|
0 .9
GBP
|
2,200,000
GBP
|
2 4.6
GBP
|
13 . 4
GBP
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||||||||
| Non-current provisions | — | — | — | — | — | — | — |
1 2 9. 5
GBP
|
10 4 . 8
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — | — | — | — | — |
15 0 .1
GBP
|
15 6 . 9
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — | — | — | — | — |
2 , 0 9 7. 3
GBP
|
2 , 013 . 6
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||||||||
| Current provisions | — | — | — | — | — | — | — |
72 .0
GBP
|
78. 5
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current payables | — | — | — | — | — | — | — |
3 9 1.1
GBP
|
3 8 7. 5
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — | — | — | — | — |
6 6 9. 0
GBP
|
666,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — | — |
2 , 67 0 . 5
GBP
|
2 , 74 7. 6
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |