Disclosure Of Interests In Other Entities [Text Block]
| Concept |
As at 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 |
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 |
As at 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 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of interests in other entities [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of interests in subsidiaries [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of subsidiaries [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of subsidiaries [abstract] | |||||||||||||||
| Disclosure of subsidiaries [line items] | |||||||||||||||
| Current assets |
39,600,000
GBP
|
— | — | — | — | — | — | — | — |
50,700,000
GBP
|
— | — | — | — | — |
| Non-current assets |
44,400,000
GBP
|
— | — | — | — | — | — | — | — |
44,800,000
GBP
|
— | — | — | — | — |
| Current liabilities |
24,000,000
GBP
|
— | — | — | — | — | — | — | — |
18,100,000
GBP
|
— | — | — | — | — |
| Non-current liabilities |
16,600,000
GBP
|
— | — | — | — | — | — | — | — |
17,200,000
GBP
|
— | — | — | — | — |
| Revenue | — | — | — | — | — |
83,200,000
GBP
|
— | — | — | — |
78,900,000
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
|
— |
| Comprehensive income | — |
–
GBP
|
–
GBP
|
100,000
GBP
|
19,100,000
GBP
|
19,100,000
GBP
|
19,200,000
GBP
|
20,300,000
GBP
|
–
GBP
|
— |
20,400,000
GBP
|
100,000
GBP
|
–
GBP
|
20,400,000
GBP
|
— |
| Disclosure of interests in associates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of associates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of associates [abstract] | |||||||||||||||
| Disclosure of associates [line items] | |||||||||||||||
| Other comprehensive income | — |
–
GBP
|
–
GBP
|
100,000
GBP
|
100,000
GBP
|
100,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— |
100,000
GBP
|
100,000
GBP
|
–
GBP
|
100,000
GBP
|
— |
| Disclosure of interests in joint arrangements [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of joint ventures [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of joint ventures [abstract] | |||||||||||||||
| Disclosure of joint ventures [line items] | |||||||||||||||
| Cash and cash equivalents |
23,100,000
GBP
|
— | — | — | — | — | — | — | — |
37,000,000
GBP
|
— | — | — | — |
58,800,000
GBP
|
| Tax expense (income) | — | — | — | — | — |
4,600,000
GBP
|
— | — | — | — |
2,900,000
GBP
|
— | — | — | — |