Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2024-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables |
3,251,000
GBP
|
1,471,000
GBP
|
— |
| Categories of financial assets [abstract] | |||
| Financial assets at fair value through profit or loss [abstract] | |||
| Financial assets at fair value through profit or loss |
286,181,000
GBP
|
676,060,000
GBP
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
12,100,000
GBP
|
14,809,000
GBP
|
30,001,000
GBP
|
| Trade and other current payables [abstract] | |||
| Trade and other current payables |
4,247,000
GBP
|
6,009,000
GBP
|
— |
| Issued capital [abstract] | |||
| Issued capital |
793,286,000
GBP
|
793,286,000
GBP
|
— |
| Miscellaneous equity [abstract] | |||
| Capital reserve |
507,081,000
GBP
|
123,765,000
GBP
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
301,532,000
GBP
|
692,340,000
GBP
|
— |
| Assets (liabilities) |
297,285,000
GBP
|
686,331,000
GBP
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
15,351,000
GBP
|
16,280,000
GBP
|
— |
| Current liabilities |
4,247,000
GBP
|
6,009,000
GBP
|
— |
| Assets less current liabilities [abstract] |