Statement Of Changes In Equity [Abstract]
| Concept |
2023-04-01 to 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 |
2023-04-01 to 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 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 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 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
As at 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 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 |
As at 2022-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||
| Equity | — |
5 5 ,4 3 9
GBP
|
3 41 , 8 11
GBP
|
46, 236
GBP
|
70,57 3
GBP
|
2 , 5 89
GBP
|
2 ,901
GBP
|
— |
403,493,000
GBP
|
— | — | — | — | — | — | — |
37 4,015
GBP
|
46, 236
GBP
|
70, 573
GBP
|
1 ,509
GBP
|
2 , 901
GBP
|
— | — | — |
306,349,000
GBP
|
— | — |
50, 53 5
GBP
|
281,000
GBP
|
75 , 9 80
GBP
|
1 , 0 9 4
GBP
|
73 ,1 9 3
GBP
|
46, 236
GBP
|
36 8 , 878
GBP
|
3 2 6 , 24 2
GBP
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||
| Profit (loss) |
—
GBP
|
— | — | — | — | — | — |
46,886,000
GBP
|
— |
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
46, 886
GBP
|
—
GBP
|
41 , 4 3 9
GBP
|
— | — | — | — | — |
—
GBP
|
41 , 4 3 9
GBP
|
—
GBP
|
— |
—
GBP
|
—
GBP
|
— | — | — | — | — | — | — | — |
| Other comprehensive income | — | — | — | — | — | — | — |
4 , 9 0 4
GBP
|
— | — | — | — | — | — | — |
1 , 8 1 9
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
4 , 9 0 4
GBP
|
— | — | — | — | — | — |
41 , 9 8 2
GBP
|
— |
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
46, 886
GBP
|
—
GBP
|
39,620,000
GBP
|
— | — | — | — | — |
—
GBP
|
41 , 4 3 9
GBP
|
—
GBP
|
— |
1 , 8 19
GBP
|
—
GBP
|
— | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
—
GBP
|
— | — | — | — | — | — |
13 ,6 8 8
GBP
|
— |
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
13 ,6 8 8
GBP
|
—
GBP
|
35,040,000
GBP
|
— | — | — | — | — |
—
GBP
|
35,040,000
GBP
|
—
GBP
|
— |
—
GBP
|
—
GBP
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
—
GBP
|
— | — | — | — | — | — |
1,388,000
GBP
|
— |
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
1,388,000
GBP
|
—
GBP
|
97 2
GBP
|
— | — | — | — | — |
—
GBP
|
972,000
GBP
|
—
GBP
|
— |
—
GBP
|
—
GBP
|
— | — | — | — | — | — | — | — |