Statement Of Cash Flows [Abstract]
| Concept |
2022-01-01 to 2022-12-31 |
2021-01-01 to 2021-12-31 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) operating activities [abstract] | ||
| Adjustments for decrease (increase) in trade and other receivables |
5 . 2
GBP
|
3,400,000
GBP
|
| Adjustments for increase (decrease) in trade and other payables |
14 . 5
GBP
|
13,000,000
GBP
|
| Cash flows from (used in) financing activities [abstract] | ||
| Proceeds from sale or issue of treasury shares |
0. 4
GBP
|
1,200,000
GBP
|