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 |
As at 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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||||||||||
| Profit (loss) |
–
GBP
|
25,900,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— |
–
GBP
|
2 5.9
GBP
|
–
GBP
|
3 1.1
GBP
|
–
GBP
|
— |
–
GBP
|
–
GBP
|
–
GBP
|
3 1.1
GBP
|
–
GBP
|
| Cash flows from (used in) operating activities | — |
4 9.4
GBP
|
— | — | — | — | — | — | — | — |
41. 4
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||||||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
10 .7
GBP
|
— | — | — | — | — | — | — | — |
23,900,000
GBP
|
— | — | — | — | — | — | — |
| Proceeds from sales of property, plant and equipment, classified as investing activities | — |
0 .1
GBP
|
— | — | — | — | — | — | — | — |
0 .7
GBP
|
— | — | — | — | — | — | — |
| Purchase of property, plant and equipment, classified as investing activities | — |
41 . 5
GBP
|
— | — | — | — | — | — | — | — |
3 3 .7
GBP
|
— | — | — | — | — | — | — |
| Purchase of intangible assets, classified as investing activities | — |
1 .7
GBP
|
— | — | — | — | — | — | — | — |
2,200,000
GBP
|
— | — | — | — | — | — | — |
| Dividends received, classified as investing activities | — |
3,000,000
GBP
|
— | — | — | — | — | — | — | — |
–
GBP
|
— | — | — | — | — | — | — |
| Interest received, classified as investing activities | — |
6,600,000
GBP
|
— | — | — | — | — | — | — | — |
4. 3
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) investing activities | — |
4 4 . 2
GBP
|
— | — | — | — | — | — | — | — |
54,800,000
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||||||||||
| Payments to acquire or redeem entity's shares | — |
6 . 3
GBP
|
— | — | — | — | — | — | — | — |
5,600,000
GBP
|
— | — | — | — | — | — | — |
| Proceeds from borrowings, classified as financing activities | — |
152 . 2
GBP
|
— | — | — | — | — | — | — | — |
13 6 . 2
GBP
|
— | — | — | — | — | — | — |
| Repayments of borrowings, classified as financing activities | — |
13 2 . 0
GBP
|
— | — | — | — | — | — | — | — |
9 6. 2
GBP
|
— | — | — | — | — | — | — |
| Payments of lease liabilities, classified as financing activities | — |
10 . 0
GBP
|
— | — | — | — | — | — | — | — |
10 . 2
GBP
|
— | — | — | — | — | — | — |
| Dividends paid, classified as financing activities | — |
10 .1
GBP
|
— | — | — | — | — | — | — | — |
6,600,000
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) financing activities | — |
4 . 8
GBP
|
— | — | — | — | — | — | — | — |
1 7. 6
GBP
|
— | — | — | — | — | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
400,000
GBP
|
— | — | — | — | — | — | — | — |
4. 2
GBP
|
— | — | — | — | — | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||||||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
0 .7
GBP
|
— | — | — | — | — | — | — | — |
1,100,000
GBP
|
— | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — |
4 5.5
GBP
|
— | — | — | — | — |
4 7. 6
GBP
|
— | — | — | — | — |