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) investing activities [abstract] | ||
| Dividends received from associates, classified as investing activities |
0 .1
GBP
|
300,000
GBP
|
| Cash flows from (used in) financing activities [abstract] | ||
| Proceeds from exercise of options |
—
GBP
|
0 .1
GBP
|
| Repayments of bonds, notes and debentures |
2 3. 4
GBP
|
12 9.1
GBP
|