Statement Of Financial Position [Abstract]
| Concept |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
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 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||
| Non-current assets | — |
1,783,857,000
GBP
|
— | — | — | — | — | — | — |
1,752,509,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||
| Cash and cash equivalents | — |
51,603,000
GBP
|
— | — | — | — | — | — | — |
52,315,000
GBP
|
— | — | — | — | — |
94,280,000
GBP
|
— | — | — | — | — |
| Current assets | — |
510,756,000
GBP
|
— | — | — | — | — | — | — |
479,240,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital | — |
11,443,000
GBP
|
— | — | — | — | — | — | — |
11,443,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Share premium | — |
372,224,000
GBP
|
— | — | — | — | — | — | — |
372,224,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
593,019,000
GBP
|
2,290,729,000
GBP
|
1,290,439,000
GBP
|
1,258,000
GBP
|
372,224,000
GBP
|
11,443,000
GBP
|
22,346,000
GBP
|
1,175,712,000
GBP
|
23,865,000
GBP
|
2,089,965,000
GBP
|
372,224,000
GBP
|
1,258,000
GBP
|
11,443,000
GBP
|
505,463,000
GBP
|
1,248,000
GBP
|
2,005,724,000
GBP
|
712,188,000
GBP
|
885,821,000
GBP
|
35,114,000
GBP
|
359,971,000
GBP
|
11,382,000
GBP
|