Statement Of Financial Position [Abstract]
| Concept |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||
| Assets [abstract] | ||||||||||||
| Non-current assets [abstract] | ||||||||||||
| Non-current assets | — |
286,181,000
GBP
|
— | — | — |
676,060,000
GBP
|
— | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||
| Trade and other current receivables | — |
3,251,000
GBP
|
— | — | — |
1,471,000
GBP
|
— | — | — | — | — | — |
| Cash and cash equivalents | — |
12,100,000
GBP
|
— | — | — |
14,809,000
GBP
|
— | — |
30,001,000
GBP
|
— | — | — |
| Current assets | — |
15,351,000
GBP
|
— | — | — |
16,280,000
GBP
|
— | — | — | — | — | — |
| Assets | — |
301,532,000
GBP
|
— | — | — |
692,340,000
GBP
|
— | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||
| Equity [abstract] | ||||||||||||
| Issued capital | — |
793,286,000
GBP
|
— | — | — |
793,286,000
GBP
|
— | — | — | — | — | — |
| Equity |
507,081,000
GBP
|
297,285,000
GBP
|
793,286,000
GBP
|
11,080,000
GBP
|
793,286,000
GBP
|
686,331,000
GBP
|
123,765,000
GBP
|
16,810,000
GBP
|
949,620,000
GBP
|
819,242,000
GBP
|
133,894,000
GBP
|
3,516,000
GBP
|
| Liabilities [abstract] | ||||||||||||
| Current liabilities [abstract] | ||||||||||||
| Trade and other current payables | — |
4,247,000
GBP
|
— | — | — |
6,009,000
GBP
|
— | — | — | — | — | — |
| Current liabilities | — |
4,247,000
GBP
|
— | — | — |
6,009,000
GBP
|
— | — | — | — | — | — |