Statement Of Financial Position [Abstract]
| Concept |
As at 2025-03-31 |
As at 2025-03-31 |
As at 2025-03-31 |
As at 2025-03-31 |
As at 2025-03-31 |
As at 2025-03-31 |
As at 2025-03-31 |
As at 2025-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||
| Property, plant and equipment | — |
21. 2
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
21,300,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Right-of-use assets | — |
64 .7
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
72,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Current tax assets | — |
3,200,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
11 .6
GBP
|
— | — | — | — | — | — | — | — | — |
| Deferred tax assets | — |
2 8.0
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
28,500,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — |
38 6.6
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
375 .3
GBP
|
— | — | — | — | — | — | — | — | — |
| Assets | — |
12, 212.1
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
11, 118.5
GBP
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital | — |
4 03 .7
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
418. 7
GBP
|
— | — | — | — | — | — | — | — | — |
| Retained earnings | — |
36 8.0
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
3 30. 5
GBP
|
— | — | — | — | — | — | — | — | — |
| Treasury shares | — |
6 7. 5
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
4 9 . 8
GBP
|
— | — | — | — | — | — | — | — | — |
| Other reserves | — |
9. 5
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
1 0 .7
GBP
|
— | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — |
373. 4
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
3 67. 4
GBP
|
— | — | — | — | — | — | — | — | — |
| Non-controlling interests | — |
0. 2
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
0. 2
GBP
|
— | — | — | — | — | — | — | — | — |
| Equity |
9 . 5
GBP
|
373. 6
GBP
|
0. 2
GBP
|
6 7. 5
GBP
|
403,700,000
GBP
|
3 68 .0
GBP
|
373 . 4
GBP
|
3 2 1 . 3
GBP
|
10. 7
GBP
|
3 6 7. 4
GBP
|
3 30. 5
GBP
|
0. 2
GBP
|
418 .7
GBP
|
4 9 . 8
GBP
|
3 67. 6
GBP
|
32 1 . 3
GBP
|
349. 8
GBP
|
349,900,000
GBP
|
4 41 . 2
GBP
|
5 1 . 4
GBP
|
32 1 . 3
GBP
|
100,000
GBP
|
28 7. 9
GBP
|
6 . 6
GBP
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Current tax liabilities | — |
10. 9
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
9,400,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — |
4 3.9
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
38,300,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities | — |
12, 212.1
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
11, 118.5
GBP
|
— | — | — | — | — | — | — | — | — |