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] | ||
| Income taxes paid, classified as operating activities |
4,600,000
GBP
|
5,100,000
GBP
|
| Cash flows from (used in) investing activities [abstract] | ||
| Purchase of investment property |
83,400,000
GBP
|
164,600,000
GBP
|
| Proceeds from sales of investment property |
56,200,000
GBP
|
37,000,000
GBP
|
| Payments for development project expenditure |
57,200,000
GBP
|
35,800,000
GBP
|