Profit Or Loss [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|
| Profit or loss [abstract] | ||||||
| Profit (loss) [abstract] | ||||||
| Revenue | — |
959,700,000
GBP
|
— | — |
896,500,000
GBP
|
— |
| Profit (loss) from operating activities | — |
49,700,000
GBP
|
— | — |
11,600,000
GBP
|
— |
| Finance income | — |
2,800,000
GBP
|
— | — |
1,900,000
GBP
|
— |
| Finance costs | — |
19,300,000
GBP
|
— | — |
17,600,000
GBP
|
— |
| Profit (loss) before tax | — |
33,200,000
GBP
|
— | — |
4,100,000
GBP
|
— |
| Tax expense (income) | — |
4,900,000
GBP
|
— | — |
2,600,000
GBP
|
— |
| Profit (loss) |
1 .4
GBP
|
28,300,000
GBP
|
26,900,000
GBP
|
3,300,000
GBP
|
1,500,000
GBP
|
1,800,000
GBP
|
| Profit (loss), attributable to [abstract] | ||||||
| Profit (loss), attributable to owners of parent | — |
26,900,000
GBP
|
— | — |
3,300,000
GBP
|
— |
| Profit (loss), attributable to non-controlling interests | — |
1,400,000
GBP
|
— | — |
1,800,000
GBP
|
— |
| Earnings per share [text block] | — | — | — | — | — | — |
| Earnings per share [abstract] | ||||||
| Earnings per share [line items] | ||||||
| Basic earnings per share [abstract] | ||||||
| Basic earnings (loss) per share from continuing operations | — |
0.089
|
— | — |
0.012
|
— |
| Basic earnings (loss) per share | — |
0.089
|
— | — |
0.012
|
— |
| Diluted earnings per share [abstract] | ||||||
| Diluted earnings (loss) per share from continuing operations | — |
0.089
|
— | — |
0.012
|
— |
| Diluted earnings (loss) per share | — |
0.089
|
— | — |
0.012
|
— |