Disclosure Of Effect Of Changes In Foreign Exchange Rates [Text Block]
| Concept |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
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 |
2021-01-01 to 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of effect of changes in foreign exchange rates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Foreign exchange gain (loss) [abstract] | ||||||||||||||||
| Foreign exchange gain (loss) | — | — | — |
300,000
GBP
|
— | — |
–
GBP
|
300,000
GBP
|
— | — |
2,300,000
GBP
|
— | — |
–
GBP
|
2,300,000
GBP
|
— |
| Disclosure of information when currency is not exchangeable into another currency [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of information when foreign operation’s functional currency is not exchangeable into presentation currency [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of summarised financial information about foreign operation [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of summarised financial information about foreign operation [abstract] | ||||||||||||||||
| Disclosure of summarised financial information about foreign operation [line items] | ||||||||||||||||
| Non-current assets |
2,351,400,000
GBP
|
— | — | — | — | — | — | — |
2,308,800,000
GBP
|
— | — | — | — | — | — | — |
| Current assets |
129,700,000
GBP
|
— | — | — | — | — | — | — |
185,500,000
GBP
|
— | — | — | — | — | — | — |
| Non-current liabilities |
1,046,600,000
GBP
|
— | — | — | — | — | — | — |
975,900,000
GBP
|
— | — | — | — | — | — | — |
| Current liabilities |
234,000,000
GBP
|
— | — | — | — | — | — | — |
231,900,000
GBP
|
— | — | — | — | — | — | — |
| Revenue | — | — | — |
139,700,000
GBP
|
— | — |
–
GBP
|
139,700,000
GBP
|
— | — |
139,800,000
GBP
|
— | — |
–
GBP
|
139,800,000
GBP
|
— |
| Profit (loss) | — | — | — |
81,900,000
GBP
|
— | — |
–
GBP
|
81,900,000
GBP
|
— | — |
77,300,000
GBP
|
— | — |
42,200,000
GBP
|
119,500,000
GBP
|
— |
| Other comprehensive income | — | — | — |
30,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
28,300,000
GBP
|
— |
| Comprehensive income | — |
–
GBP
|
30,000,000
GBP
|
51,900,000
GBP
|
–
GBP
|
81,900,000
GBP
|
— | — | — |
–
GBP
|
— |
28,300,000
GBP
|
–
GBP
|
— |
91,200,000
GBP
|
119,500,000
GBP
|