Profit Or Loss [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
|---|---|---|---|---|---|---|
| Profit or loss [abstract] | ||||||
| Profit (loss) [abstract] | ||||||
| Revenue |
1,5 7 6.3
GBP
|
1,57 6.3
GBP
|
–
GBP
|
1 , 4 8 7. 5
GBP
|
1 , 4 87. 5
GBP
|
–
GBP
|
| Profit (loss) from operating activities |
17 3 .7
GBP
|
149,600,000
GBP
|
24 .1
GBP
|
156. 2
GBP
|
1 45 .7
GBP
|
10. 5
GBP
|
| Finance income |
1. 2
GBP
|
1. 2
GBP
|
–
GBP
|
2,600,000
GBP
|
2,600,000
GBP
|
–
GBP
|
| Finance costs |
2 4 .1
GBP
|
2 5 . 4
GBP
|
1 .3
GBP
|
13 . 9
GBP
|
1 3 . 9
GBP
|
–
GBP
|
| Share of profit (loss) of associates and joint ventures accounted for using equity method |
3,500,000
GBP
|
3. 5
GBP
|
–
GBP
|
2,600,000
GBP
|
2,600,000
GBP
|
–
GBP
|
| Profit (loss) before tax |
150,800,000
GBP
|
125 .4
GBP
|
2 5 . 4
GBP
|
144 .9
GBP
|
134,400,000
GBP
|
1 0. 5
GBP
|
| Tax expense (income) |
32 .7
GBP
|
29 .1
GBP
|
3 .6
GBP
|
30,200,000
GBP
|
28 . 8
GBP
|
1 .4
GBP
|
| Profit (loss) |
11 8 .1
GBP
|
96,300,000
GBP
|
21 . 8
GBP
|
1 1 4 .7
GBP
|
105,600,000
GBP
|
9. 1
GBP
|
| Profit (loss), attributable to [abstract] | ||||||
| Profit (loss), attributable to owners of parent |
118 .0
GBP
|
96,200,000
GBP
|
21. 8
GBP
|
114 .6
GBP
|
105. 5
GBP
|
9,100,000
GBP
|
| Profit (loss), attributable to non-controlling interests |
100,000
GBP
|
0 .1
GBP
|
–
GBP
|
100,000
GBP
|
100,000
GBP
|
–
GBP
|
| Earnings per share [text block] | — | — | — | — | — | — |
| Earnings per share [abstract] | ||||||
| Earnings per share [line items] | ||||||
| Basic earnings per share [abstract] | ||||||
| Basic earnings (loss) per share | — |
28 .1
|
— | — |
31 .1
|
— |
| Diluted earnings per share [abstract] | ||||||
| Diluted earnings (loss) per share | — |
28 .0
|
— | — |
3 1.0
|
— |