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 |
2 . 6
GBP
|
0 . 2
GBP
|
| Cash flows from (used in) operations before changes in working capital |
239 .4
GBP
|
236 .1
GBP
|
| Adjustments for decrease (increase) in trade and other receivables |
1 . 0
GBP
|
0 . 2
GBP
|
| Adjustments for increase (decrease) in trade and other payables |
8,800,000
GBP
|
9 . 1
GBP
|
| Adjustments for amortisation expense |
6,000,000
GBP
|
4. 8
GBP
|
| Adjustments for depreciation expense |
88 .7
GBP
|
83,500,000
GBP
|
| Adjustments for gain (loss) on disposals, property, plant and equipment |
1 . 4
GBP
|
2,400,000
GBP
|
| Cash flows from (used in) investing activities [abstract] | ||
| Dividends received from investments accounted for using equity method, classified as investing activities |
1,800,000
GBP
|
1 .7
GBP
|