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 | — | — | — | — | — | — | — |
11,500,000
GBP
|
15. 3
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — | — | — |
61 .0
GBP
|
6 7. 5
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — | — |
11. 1
GBP
|
11. 8
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — | — | — | — | — |
125,500,000
GBP
|
132,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||
| Trade and other current receivables | — | — | — | — | — | — | — |
157 .5
GBP
|
182,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — | — |
68. 1
GBP
|
9 5 .7
GBP
|
— | — | — | — | — | — | — |
12 3.2
GBP
|
— | — | — | — | — | — | — |
| Current assets | — | — | — | — | — | — | — |
23 0.0
GBP
|
283. 3
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — | — |
355,500,000
GBP
|
41 5 .7
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital | — | — | — | — | — | — | — |
15,300,000
GBP
|
15. 3
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — | — | — | — |
222,200,000
GBP
|
242. 3
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium | — | — | — | — | — | — | — |
22,600,000
GBP
|
22,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares | — | — | — | — | — | — | — |
9 . 1
GBP
|
9. 1
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves | — | — | — | — | — | — | — |
70 . 9
GBP
|
7 0 .9
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — | — | — |
138,500,000
GBP
|
1 6 4 .9
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
222,200,000
GBP
|
22,600,000
GBP
|
15,300,000
GBP
|
4,200,000
GBP
|
9 . 1
GBP
|
37 .4
GBP
|
70 . 9
GBP
|
138,500,000
GBP
|
1 6 4 .9
GBP
|
242 . 3
GBP
|
7 0 .9
GBP
|
3 7. 8
GBP
|
22,600,000
GBP
|
15. 3
GBP
|
2,500,000
GBP
|
9. 1
GBP
|
1 8 3 .9
GBP
|
71 . 4
GBP
|
4 0 . 5
GBP
|
2 2.6
GBP
|
2 55 .4
GBP
|
9. 1
GBP
|
1 5.8
GBP
|
1 1 .1
GBP
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||||||||
| Non-current provisions | — | — | — | — | — | — | — |
2. 0
GBP
|
2 .1
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — | — | — | — | — |
300,000
GBP
|
0. 2
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — | — | — | — | — |
56,500,000
GBP
|
6 3 . 5
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||||||||
| Current provisions | — | — | — | — | — | — | — |
1. 6
GBP
|
700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current payables | — | — | — | — | — | — | — |
121,500,000
GBP
|
14 8 .0
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — | — | — | — | — |
160,500,000
GBP
|
187 .3
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — | — | — | — |
217 .0
GBP
|
2 5 0.8
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |