Statement Of Comprehensive Income [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||
| Profit (loss) |
–
GBP
|
131,700,000
GBP
|
–
GBP
|
–
GBP
|
131,700,000
GBP
|
–
GBP
|
117,700,000
GBP
|
117,700,000
GBP
|
–
GBP
|
–
GBP
|
| Other comprehensive income [abstract] | ||||||||||
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | ||||||||||
| Exchange differences on translation [abstract] | ||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations | — |
300,000
GBP
|
— | — | — | — |
200,000
GBP
|
— | — | — |
| Cash flow hedges [abstract] | ||||||||||
| Reclassification adjustments on cash flow hedges, net of tax | — |
100,000
GBP
|
— | — | — | — |
–
GBP
|
— | — | — |
| Other comprehensive income that will be reclassified to profit or loss, net of tax | — |
400,000
GBP
|
— | — | — | — |
200,000
GBP
|
— | — | — |
| Other comprehensive income |
–
GBP
|
400,000
GBP
|
–
GBP
|
400,000
GBP
|
–
GBP
|
–
GBP
|
200,000
GBP
|
–
GBP
|
–
GBP
|
200,000
GBP
|
| Comprehensive income |
–
GBP
|
131,300,000
GBP
|
–
GBP
|
400,000
GBP
|
131,700,000
GBP
|
–
GBP
|
117,900,000
GBP
|
117,700,000
GBP
|
–
GBP
|
200,000
GBP
|
| Comprehensive income attributable to [abstract] | ||||||||||
| Comprehensive income, attributable to owners of parent | — |
131,300,000
GBP
|
— | — | — | — |
117,900,000
GBP
|
— | — | — |