Statement Of Financial Position [Abstract]
| Concept |
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 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||
| Right-of-use assets | — | — | — | — |
-
GBP
|
— | — |
100,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||
| Cash and cash equivalents | — | — | — | — |
90,400,000
GBP
|
— | — |
62,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Current assets | — | — | — | — |
175,500,000
GBP
|
— | — |
218,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — |
178,200,000
GBP
|
— | — |
219,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital | — | — | — | — |
1,200,000
GBP
|
— | — |
1,200,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — |
86,100,000
GBP
|
— | — |
98,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Share premium | — | — | — | — |
207,900,000
GBP
|
— | — |
207,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — |
0
GBP
|
— | — |
12,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Equity |
295,200,000
GBP
|
86,100,000
GBP
|
207,900,000
GBP
|
1,200,000
GBP
|
0
GBP
|
-
GBP
|
295,200,000
GBP
|
12,600,000
GBP
|
207,900,000
GBP
|
1,200,000
GBP
|
-
GBP
|
98,700,000
GBP
|
1,200,000
GBP
|
295,200,000
GBP
|
207,900,000
GBP
|
100,000
GBP
|
47,900,000
GBP
|
133,900,000
GBP
|
| Liabilities [abstract] | ||||||||||||||||||
| Current liabilities [abstract] | ||||||||||||||||||
| Trade and other current payables | — | — | — | — |
3,100,000
GBP
|
— | — |
6,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — |
178,200,000
GBP
|
— | — |
206,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — |