Profit Or Loss [Abstract]
| Concept |
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 |
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 |
2021-01-01 to 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Profit or loss [abstract] | ||||||||||||||
| Profit (loss) [abstract] | ||||||||||||||
| Employee benefits expense | — | — |
8 5 .9
GBP
|
— | — | — | — | — | — | — |
—
GBP
|
7 7.7
GBP
|
7 7. 7
GBP
|
— |
| Other expenses, by nature | — | — |
28,400,000
GBP
|
— | — | — | — | — | — | — |
—
GBP
|
2 7. 7
GBP
|
2 7. 7
GBP
|
— |
| Profit (loss) from operating activities | — | — |
14 . 7
GBP
|
— | — | — | — | — | — | — |
3 .9
GBP
|
6 8 .1
GBP
|
6 4.2
GBP
|
— |
| Finance income | — | — |
2,300,000
GBP
|
— | — | — | — | — | — | — |
—
GBP
|
0 .1
GBP
|
0 .1
GBP
|
— |
| Finance costs | — | — |
0 .9
GBP
|
— | — | — | — | — | — | — |
—
GBP
|
1 .1
GBP
|
1,100,000
GBP
|
— |
| Profit (loss) before tax | — | — |
12 .9
GBP
|
— | — | — | — | — | — | — |
3 .9
GBP
|
6 8 .0
GBP
|
6 4 .1
GBP
|
— |
| Tax expense (income) | — | — |
6,000,000
GBP
|
— | — | — | — | — | — | — |
—
GBP
|
2 .9
GBP
|
2 .9
GBP
|
— |
| Profit (loss) |
—
GBP
|
—
GBP
|
6 .9
GBP
|
—
GBP
|
6 .9
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
3 .9
GBP
|
6 5 .1
GBP
|
61. 2
GBP
|
61. 2
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 | — | — |
2 .0
|
— | — | — | — | — | — | — | — |
18 . 5
|
1 7. 4
|
— |
| Diluted earnings per share [abstract] | ||||||||||||||
| Diluted earnings (loss) per share | — | — |
1. 8
|
— | — | — | — | — | — | — | — |
1 7.1
|
16 .0
|
— |