Statement Of Changes In Equity [Abstract]
| Concept |
As at 2025-03-31 |
2024-04-01 to 2025-03-31 |
As at 2025-03-31 |
As at 2025-03-31 |
2024-04-01 to 2025-03-31 |
As at 2025-03-31 |
2024-04-01 to 2025-03-31 |
As at 2025-03-31 |
2024-04-01 to 2025-03-31 |
As at 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
As at 2025-03-31 |
2024-04-01 to 2025-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
2023-04-01 to 2024-03-31 |
As at 2024-03-31 |
2023-04-01 to 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 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 changes in equity [abstract] | |||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||
| 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
|
0 . 1
GBP
|
1 . 4
GBP
|
176 . 5
GBP
|
21 .1
GBP
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
3. 5
GBP
|
— | — |
3. 5
GBP
|
— |
–
GBP
|
— |
–
GBP
|
— |
–
GBP
|
–
GBP
|
— |
–
GBP
|
— | — |
–
GBP
|
— |
26 . 8
GBP
|
— | — | — |
–
GBP
|
–
GBP
|
–
GBP
|
26 . 8
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — |
| Other comprehensive income | — |
8 . 5
GBP
|
— | — |
8 .9
GBP
|
— |
–
GBP
|
— |
–
GBP
|
— |
100,000
GBP
|
–
GBP
|
— |
300,000
GBP
|
— | — |
1,000,000
GBP
|
— |
5 .7
GBP
|
— | — | — |
–
GBP
|
–
GBP
|
–
GBP
|
1 . 4
GBP
|
5 . 3
GBP
|
— | — | — | — | — | — | — | — |
| Comprehensive income | — |
5 . 0
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
21 .1
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
9. 2
GBP
|
— | — |
9. 2
GBP
|
— |
–
GBP
|
— |
–
GBP
|
— |
–
GBP
|
–
GBP
|
— |
–
GBP
|
— | — |
–
GBP
|
— |
9 . 1
GBP
|
— | — | — |
–
GBP
|
–
GBP
|
–
GBP
|
9. 1
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
0 . 5
GBP
|
— | — |
1 . 1
GBP
|
— |
600,000
GBP
|
— |
–
GBP
|
— |
–
GBP
|
–
GBP
|
— |
–
GBP
|
— | — |
–
GBP
|
— |
0 . 1
GBP
|
— | — | — |
–
GBP
|
–
GBP
|
1 .1
GBP
|
1 . 2
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — |