Statement Of Cash Flows [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
2022-01-01 to 2022-12-31 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) operating activities [abstract] | ||
| Adjustments for deferred tax expense |
0 .5
GBP
|
–
GBP
|
| Adjustments for decrease (increase) in trade and other receivables |
5,800,000
GBP
|
3,600,000
GBP
|
| Adjustments for increase (decrease) in trade and other payables |
500,000
GBP
|
200,000
GBP
|
| Adjustments for increase (decrease) in deferred income including contract liabilities [abstract] | ||
| Adjustments for increase (decrease) in contract liabilities |
600,000
GBP
|
3,800,000
GBP
|
| Adjustments for amortisation expense |
700,000
GBP
|
800,000
GBP
|
| Adjustments for depreciation expense |
1,800,000
GBP
|
2,200,000
GBP
|