Statement Of Cash Flows [Abstract]
| Concept |
2021-04-01 to 2022-03-31 |
2020-04-01 to 2021-03-31 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) investing activities [abstract] | ||
| Cash advances and loans made to related parties |
13,000,000
GBP
|
1,000,000
GBP
|
| Cash flows from (used in) financing activities [abstract] | ||
| Dividends paid to equity holders of parent, classified as financing activities |
254,500,000
GBP
|
240,200,000
GBP
|