Statement Of Changes In Equity [Abstract]
| Concept |
As at 2024-09-30 |
As at 2024-09-30 |
As at 2024-09-30 |
As at 2024-09-30 |
2023-10-01 to 2024-09-30 |
2023-10-01 to 2024-09-30 |
2023-10-01 to 2024-09-30 |
2023-10-01 to 2024-09-30 |
As at 2024-09-30 |
2023-10-01 to 2024-09-30 |
2022-10-01 to 2023-09-30 |
2022-10-01 to 2023-09-30 |
As at 2023-09-30 |
As at 2023-09-30 |
2022-10-01 to 2023-09-30 |
As at 2023-09-30 |
As at 2023-09-30 |
2022-10-01 to 2023-09-30 |
As at 2023-09-30 |
2022-10-01 to 2023-09-30 |
As at 2022-09-30 |
As at 2022-09-30 |
As at 2022-09-30 |
As at 2022-09-30 |
As at 2022-09-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||
| Equity |
203,990,000
GBP
|
52,000
GBP
|
8,963,000
GBP
|
197,024,000
GBP
|
— | — | — | — |
2,049,000
GBP
|
— | — | — |
159,399,000
GBP
|
8,963,000
GBP
|
— |
2,377,000
GBP
|
52,000
GBP
|
— |
166,037,000
GBP
|
— |
8,930,000
GBP
|
133,394,000
GBP
|
124,886,000
GBP
|
473,000
GBP
|
51,000
GBP
|
| Changes in equity [abstract] | |||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||
| Profit (loss) | — | — | — | — |
84,295,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— |
84,295,000
GBP
|
68,219,000
GBP
|
–
GBP
|
— | — |
–
GBP
|
— | — |
–
GBP
|
— |
68,219,000
GBP
|
— | — | — | — | — |
| Issue of equity | — | — | — | — |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— |
–
GBP
|
–
GBP
|
33,000
GBP
|
— | — |
1,000
GBP
|
— | — |
–
GBP
|
— |
34,000
GBP
|
— | — | — | — | — |
| Dividends recognised as distributions to owners | — | — | — | — |
47,416,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— |
47,416,000
GBP
|
33,294,000
GBP
|
–
GBP
|
— | — |
–
GBP
|
— | — |
–
GBP
|
— |
33,294,000
GBP
|
— | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — | — | — |
567,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— |
567,000
GBP
|
110,000
GBP
|
–
GBP
|
— | — |
–
GBP
|
— | — |
–
GBP
|
— |
110,000
GBP
|
— | — | — | — | — |