Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2025-03-31 |
As at 2025-03-31 |
As at 2025-03-31 |
As at 2025-03-31 |
As at 2025-03-31 |
As at 2025-03-31 |
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 |
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 |
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| Disclosure of fair value measurement [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of equity [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of equity [abstract] | ||||||||||||||||||
| Disclosure of fair value measurement of equity [line items] | ||||||||||||||||||
| Equity |
637,000
GBP
|
150,445,000
GBP
|
138,162,000
GBP
|
19,000
GBP
|
–
GBP
|
12,939,000
GBP
|
183,461,000
GBP
|
–
GBP
|
648,000
GBP
|
12,894,000
GBP
|
19,000
GBP
|
171,234,000
GBP
|
220,981,000
GBP
|
112,510,000
GBP
|
648,000
GBP
|
13,537,000
GBP
|
19,000
GBP
|
121,341,000
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |