Statement Of Cash Flows [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) operating activities [abstract] | ||
| Adjustments for interest income |
6 .1
GBP
|
1,400,000
GBP
|
| Adjustments for finance income |
9,900,000
GBP
|
8,900,000
GBP
|
| Cash flows from (used in) operations before changes in working capital |
985,800,000
GBP
|
8 74 . 6
GBP
|
| Adjustments for decrease (increase) in trade and other receivables |
59. 5
GBP
|
4 5. 8
GBP
|
| Adjustments for increase (decrease) in trade and other payables |
3 7. 4
GBP
|
116,900,000
GBP
|
| Adjustments for amortisation expense |
–
GBP
|
–
GBP
|
| Adjustments for depreciation expense |
14,500,000
GBP
|
1 4.1
GBP
|
| Cash flows from (used in) financing activities [abstract] | ||
| Proceeds from exercise of options |
2,600,000
GBP
|
3 .1
GBP
|