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 |
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] | ||||||
| Revenue |
139,700,000
GBP
|
–
GBP
|
139,700,000
GBP
|
–
GBP
|
139,800,000
GBP
|
139,800,000
GBP
|
| Profit (loss) from operating activities |
63,900,000
GBP
|
–
GBP
|
63,900,000
GBP
|
1,200,000
GBP
|
111,900,000
GBP
|
113,100,000
GBP
|
| Finance income |
10,100,000
GBP
|
–
GBP
|
10,100,000
GBP
|
–
GBP
|
5,900,000
GBP
|
5,900,000
GBP
|
| Finance costs |
26,800,000
GBP
|
–
GBP
|
26,800,000
GBP
|
–
GBP
|
25,400,000
GBP
|
25,400,000
GBP
|
| Share of profit (loss) of associates and joint ventures accounted for using equity method |
–
GBP
|
–
GBP
|
–
GBP
|
1,400,000
GBP
|
1,400,000
GBP
|
–
GBP
|
| Profit (loss) before tax |
82,000,000
GBP
|
–
GBP
|
82,000,000
GBP
|
200,000
GBP
|
91,500,000
GBP
|
91,300,000
GBP
|
| Tax expense (income) |
100,000
GBP
|
–
GBP
|
100,000
GBP
|
42,000,000
GBP
|
28,000,000
GBP
|
14,000,000
GBP
|
| Profit (loss) |
81,900,000
GBP
|
–
GBP
|
81,900,000
GBP
|
42,200,000
GBP
|
119,500,000
GBP
|
77,300,000
GBP
|
| Earnings per share [text block] | — | — | — | — | — | — |
| Earnings per share [abstract] | ||||||
| Earnings per share [line items] | ||||||
| Diluted earnings per share [abstract] | ||||||
| Diluted earnings (loss) per share |
0.202
|
— | — | — |
0.293
|
— |