Statement Of Cash Flows [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||||||||||
| Profit (loss) |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
19 2 . 0
GBP
|
0. 6
GBP
|
19 1. 4
GBP
|
–
GBP
|
— |
–
GBP
|
6 5 . 2
GBP
|
— |
–
GBP
|
6 5 . 2
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||||||||||
| Adjustments for income tax expense | — | — | — | — | — | — |
14 . 6
GBP
|
— | — | — |
3 0 .1
GBP
|
— | — | — | — | — | — | — | — |
| Adjustments for provisions | — | — | — | — | — | — |
23,300,000
GBP
|
— | — | — |
2 7. 0
GBP
|
— | — | — | — | — | — | — | — |
| Adjustments for share-based payments | — | — | — | — | — | — |
2,700,000
GBP
|
— | — | — |
0. 5
GBP
|
— | — | — | — | — | — | — | — |
| Adjustments for fair value losses (gains) | — | — | — | — | — | — |
–
GBP
|
— | — | — |
4 . 1
GBP
|
— | — | — | — | — | — | — | — |
| Adjustments for undistributed profits of associates | — | — | — | — | — | — |
1. 0
GBP
|
— | — | — |
1. 4
GBP
|
— | — | — | — | — | — | — | — |
| Cash flows from (used in) operating activities | — | — | — | — | — | — |
226. 5
GBP
|
— | — | — |
15 1. 4
GBP
|
— | — | — | — | — | — | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — | — | — | — | — | — |
4,700,000
GBP
|
— | — | — |
19. 2
GBP
|
— | — | — | — | — | — | — | — |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — | — | — | — | — |
4 .1
GBP
|
— | — | — |
–
GBP
|
— | — | — | — | — | — | — | — |
| Proceeds from sales of property, plant and equipment, classified as investing activities | — | — | — | — | — | — |
2,000,000
GBP
|
— | — | — |
1,900,000
GBP
|
— | — | — | — | — | — | — | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — | — | — | — | — |
4 . 5
GBP
|
— | — | — |
7. 4
GBP
|
— | — | — | — | — | — | — | — |
| Purchase of intangible assets, classified as investing activities | — | — | — | — | — | — |
9 0 .9
GBP
|
— | — | — |
6 2 . 9
GBP
|
— | — | — | — | — | — | — | — |
| Dividends received, classified as investing activities | — | — | — | — | — | — |
600,000
GBP
|
— | — | — |
5 .9
GBP
|
— | — | — | — | — | — | — | — |
| Interest received, classified as investing activities | — | — | — | — | — | — |
2 .7
GBP
|
— | — | — |
3 .9
GBP
|
— | — | — | — | — | — | — | — |
| Cash flows from (used in) investing activities | — | — | — | — | — | — |
93,700,000
GBP
|
— | — | — |
2 1 .1
GBP
|
— | — | — | — | — | — | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||||||||||
| Proceeds from borrowings, classified as financing activities | — | — | — | — | — | — |
48 5.0
GBP
|
— | — | — |
–
GBP
|
— | — | — | — | — | — | — | — |
| Repayments of borrowings, classified as financing activities | — | — | — | — | — | — |
3 8 8 . 7
GBP
|
— | — | — |
4 . 0
GBP
|
— | — | — | — | — | — | — | — |
| Payments of lease liabilities, classified as financing activities | — | — | — | — | — | — |
3 6 . 2
GBP
|
— | — | — |
31. 8
GBP
|
— | — | — | — | — | — | — | — |
| Interest paid, classified as financing activities | — | — | — | — | — | — |
16 3 . 6
GBP
|
— | — | — |
14 2 . 0
GBP
|
— | — | — | — | — | — | — | — |
| Cash flows from (used in) financing activities | — | — | — | — | — | — |
10 3 . 5
GBP
|
— | — | — |
18 8 . 6
GBP
|
— | — | — | — | — | — | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — | — | — | — | — |
2 9. 3
GBP
|
— | — | — |
5 8 . 3
GBP
|
— | — | — | — | — | — | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — | — | — | — | — |
2 0 .1
GBP
|
— | — | — |
3 .1
GBP
|
— | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — | — | — |
26 5.4
GBP
|
— | — |
256,200,000
GBP
|
— | — | — | — | — | — |
3 17. 6
GBP
|