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 | — | — |
1,228,736,000
GBP
|
— | — | — | — |
1,007,206,000
GBP
|
— | — | — | — |
| Current assets [abstract] | ||||||||||||
| Trade and other current receivables | — | — |
734,000
GBP
|
— | — | — | — |
1,368,000
GBP
|
— | — | — | — |
| Cash and cash equivalents | — | — |
103,358,000
GBP
|
— | — | — | — |
207,155,000
GBP
|
109,848,000
GBP
|
— | — | — |
| Current assets | — | — |
104,092,000
GBP
|
— | — | — | — |
208,523,000
GBP
|
— | — | — | — |
| Assets | — | — |
1,332,828,000
GBP
|
— | — | — | — |
1,215,729,000
GBP
|
— | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||
| Equity [abstract] | ||||||||||||
| Issued capital | — | — |
1,764,000
GBP
|
— | — | — | — |
1,764,000
GBP
|
— | — | — | — |
| Retained earnings | — | — |
1,052,090,000
GBP
|
— | — | — | — |
1,033,173,000
GBP
|
— | — | — | — |
| Share premium | — | — |
172,102,000
GBP
|
— | — | — | — |
172,102,000
GBP
|
— | — | — | — |
| Equity |
1,052,090,000
GBP
|
172,102,000
GBP
|
1,225,956,000
GBP
|
1,764,000
GBP
|
172,102,000
GBP
|
1,764,000
GBP
|
1,033,173,000
GBP
|
1,207,039,000
GBP
|
1,167,490,000
GBP
|
172,102,000
GBP
|
1,764,000
GBP
|
993,624,000
GBP
|
| Liabilities [abstract] | ||||||||||||
| Current liabilities [abstract] | ||||||||||||
| Trade and other current payables | — | — |
1,234,000
GBP
|
— | — | — | — |
8,690,000
GBP
|
— | — | — | — |
| Liabilities | — | — |
106,872,000
GBP
|
— | — | — | — |
8,690,000
GBP
|
— | — | — | — |