Disclosure Of Income Tax [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 |
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 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|
| Disclosure of income tax [text block] | — | — | — | — | — | — | — | — | — |
| Major components of tax expense (income) [abstract] | |||||||||
| Tax expense (income) | — |
71. 6
GBP
|
1. 3
GBP
|
72 .9
GBP
|
— |
9 .5
GBP
|
3 3.7
GBP
|
24 .2
GBP
|
— |
| Disclosure of temporary difference, unused tax losses and unused tax credits [text block] | — | — | — | — | — | — | — | — | — |
| Disclosure of temporary difference, unused tax losses and unused tax credits [abstract] | |||||||||
| Disclosure of temporary difference, unused tax losses and unused tax credits [line items] | |||||||||
| Deferred tax assets and liabilities [abstract] | |||||||||
| Deferred tax assets |
67. 4
GBP
|
— | — | — |
70,500,000
GBP
|
— | — | — |
6 0.9
GBP
|
| Deferred tax liabilities |
6 8 .1
GBP
|
— | — | — |
7 9.1
GBP
|
— | — | — |
9 6.7
GBP
|
| Reconciliation of accounting profit multiplied by applicable tax rates [abstract] |