Statement Of Changes In Equity [Abstract]
| Concept |
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 |
As at 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
2021-04-01 to 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||
| Equity |
220,981,000
GBP
|
112,510,000
GBP
|
648,000
GBP
|
13,537,000
GBP
|
19,000
GBP
|
— | — | — |
121,341,000
GBP
|
— |
19,000
GBP
|
— | — |
9,692,000
GBP
|
612,000
GBP
|
64,370,000
GBP
|
— |
128,859,000
GBP
|
184,168,000
GBP
|
19,000
GBP
|
5,818,000
GBP
|
104,207,000
GBP
|
163,388,000
GBP
|
610,000
GBP
|
64,370,000
GBP
|
| Changes in equity [abstract] | |||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — |
39,328,000
GBP
|
— |
39,328,000
GBP
|
— |
59,203,000
GBP
|
— | — | — | — |
59,203,000
GBP
|
— | — | — | — | — | — | — | — |
| Comprehensive income | — | — | — | — | — | — | — |
39,328,000
GBP
|
— |
39,328,000
GBP
|
— |
59,203,000
GBP
|
— | — | — | — |
59,203,000
GBP
|
— | — | — | — | — | — | — | — |
| Issue of equity | — | — | — | — | — |
48,140,000
GBP
|
36,000
GBP
|
— | — |
48,176,000
GBP
|
— |
2,000
GBP
|
2,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — | — | — | — | — | — |
46,070,000
GBP
|
— |
46,070,000
GBP
|
— |
35,947,000
GBP
|
— | — | — | — |
35,947,000
GBP
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — | — | — | — | — | — |
1,916,000
GBP
|
— |
1,916,000
GBP
|
— |
2,440,000
GBP
|
— | — | — | — |
2,440,000
GBP
|
— | — | — | — | — | — | — | — |