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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment |
21 . 8
GBP
|
— | — | — | — | — | — | — | — | — | — |
2 8 .1
GBP
|
— | — | — | — | — | — | — | — | — |
| Right-of-use assets |
16 .7
GBP
|
— | — | — | — | — | — | — | — | — | — |
18,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Goodwill |
1 07. 4
GBP
|
— | — | — | — | — | — | — | — | — | — |
1 07. 3
GBP
|
— | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
4 6 .1
GBP
|
— | — | — | — | — | — | — | — | — | — |
5 3 .9
GBP
|
— | — | — | — | — | — | — | — | — |
| Deferred tax assets |
1,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
700,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Non-current assets |
20 0. 2
GBP
|
— | — | — | — | — | — | — | — | — | — |
2 24 . 5
GBP
|
— | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||
| Current inventories |
88. 2
GBP
|
— | — | — | — | — | — | — | — | — | — |
9 7. 4
GBP
|
— | — | — | — | — | — | — | — | — |
| Trade and other current receivables |
71,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
72,600,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
22 .7
GBP
|
— | — | — | — | — | — | — | — | — | — |
30. 8
GBP
|
— | — | — | — | — | — | — | — | — |
| Current assets |
1 8 7. 8
GBP
|
— | — | — | — | — | — | — | — | — | — |
20 0. 8
GBP
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital |
8 .9
GBP
|
— | — | — | — | — | — | — | — | — | — |
8 .9
GBP
|
— | — | — | — | — | — | — | — | — |
| Share premium |
4 7. 6
GBP
|
— | — | — | — | — | — | — | — | — | — |
47. 6
GBP
|
— | — | — | — | — | — | — | — | — |
| Equity |
2 0 7. 9
GBP
|
4 7. 6
GBP
|
700,000
GBP
|
8,900,000
GBP
|
1 7 7. 1
GBP
|
0. 3
GBP
|
26 .1
GBP
|
192 . 5
GBP
|
4 7. 6
GBP
|
8 .9
GBP
|
0. 2
GBP
|
222,400,000
GBP
|
0 . 4
GBP
|
2 6 . 4
GBP
|
21 0. 4
GBP
|
4 7. 6
GBP
|
8 .9
GBP
|
1 . 4
GBP
|
0 . 1
GBP
|
176 . 5
GBP
|
21 .1
GBP
|
| Liabilities [abstract] | |||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||
| Non-current provisions |
1 .1
GBP
|
— | — | — | — | — | — | — | — | — | — |
1 . 0
GBP
|
— | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
10,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
1 4 . 1
GBP
|
— | — | — | — | — | — | — | — | — |
| Other non-current financial liabilities |
0 . 2
GBP
|
— | — | — | — | — | — | — | — | — | — |
4 . 6
GBP
|
— | — | — | — | — | — | — | — | — |
| Non-current liabilities |
8 4 . 9
GBP
|
— | — | — | — | — | — | — | — | — | — |
1 0 3 . 7
GBP
|
— | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||
| Current provisions [abstract] | |||||||||||||||||||||
| Current provisions |
0. 5
GBP
|
— | — | — | — | — | — | — | — | — | — |
0 .7
GBP
|
— | — | — | — | — | — | — | — | — |
| Trade and other current payables |
8 6 . 7
GBP
|
— | — | — | — | — | — | — | — | — | — |
8 9. 1
GBP
|
— | — | — | — | — | — | — | — | — |
| Current liabilities |
95 . 2
GBP
|
— | — | — | — | — | — | — | — | — | — |
9 9. 2
GBP
|
— | — | — | — | — | — | — | — | — |