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 |
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 |
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 | — | — | — |
83,200,000
GBP
|
— | — | — |
78,900,000
GBP
|
— | — | — |
| Other income | — | — | — |
500,000
GBP
|
— | — | — |
500,000
GBP
|
— | — | — |
| Profit (loss) from operating activities | — | — | — |
24,700,000
GBP
|
— | — | — |
23,900,000
GBP
|
— | — | — |
| Finance income | — | — | — |
–
GBP
|
— | — | — |
100,000
GBP
|
— | — | — |
| Finance costs | — | — | — |
800,000
GBP
|
— | — | — |
800,000
GBP
|
— | — | — |
| Profit (loss) before tax | — | — | — |
23,800,000
GBP
|
— | — | — |
23,200,000
GBP
|
— | — | — |
| Tax expense (income) | — | — | — |
4,600,000
GBP
|
— | — | — |
2,900,000
GBP
|
— | — | — |
| Profit (loss) |
–
GBP
|
–
GBP
|
19,200,000
GBP
|
19,200,000
GBP
|
19,200,000
GBP
|
20,300,000
GBP
|
–
GBP
|
20,300,000
GBP
|
–
GBP
|
–
GBP
|
20,300,000
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 | — | — | — |
0
|
— | — | — |
0
|
— | — | — |
| Diluted earnings per share [abstract] | |||||||||||
| Diluted earnings (loss) per share | — | — | — |
0
|
— | — | — |
0
|
— | — | — |