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 |
3 .6
GBP
|
2. 8
GBP
|
| Adjustments for increase (decrease) in trade and other payables |
200,000
GBP
|
700,000
GBP
|
| Adjustments for increase (decrease) in deferred income including contract liabilities [abstract] | ||
| Adjustments for increase (decrease) in contract liabilities |
3,800,000
GBP
|
4,100,000
GBP
|
| Adjustments for amortisation expense |
800,000
GBP
|
800,000
GBP
|
| Adjustments for depreciation expense |
2,200,000
GBP
|
2,300,000
GBP
|