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 finance income |
7,079,000
GBP
|
2,830,000
GBP
|
| Cash flows from (used in) operations before changes in working capital |
50,297,000
GBP
|
45,442,000
GBP
|
| Adjustments for decrease (increase) in trade and other receivables |
6,356,000
GBP
|
11,165,000
GBP
|
| Adjustments for increase (decrease) in trade and other payables |
1,847,000
GBP
|
3,345,000
GBP
|
| Adjustments for decrease (increase) in accrued income including contract assets [abstract] | ||
| Adjustments for decrease (increase) in contract assets |
1,175,000
GBP
|
4,943,000
GBP
|
| Adjustments for increase (decrease) in deferred income including contract liabilities [abstract] | ||
| Adjustments for increase (decrease) in contract liabilities |
106,000
GBP
|
2,487,000
GBP
|
| Adjustments for amortisation expense |
1,024,000
GBP
|
1,032,000
GBP
|
| Cash flows from (used in) investing activities [abstract] | ||
| Purchase of interests in associates |
—
GBP
|
1,000,000
GBP
|
| Payments for development project expenditure |
6,800,000
GBP
|
5,832,000
GBP
|
| Cash flows from (used in) financing activities [abstract] | ||
| Proceeds from issue of ordinary shares |
809,000
GBP
|
873,000
GBP
|
| Payments for share issue costs |
—
GBP
|
—
GBP
|