Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2023-03-31 |
As at 2022-03-31 |
As at 2021-03-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
297,000
GBP
|
9,000
GBP
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Non-current investments other than investments accounted for using equity method |
254,295,000
GBP
|
268,807,000
GBP
|
— |
| Trade and other current receivables [abstract] | |||
| Other current receivables |
555,000
GBP
|
391,000
GBP
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
40, 015
GBP
|
31,326,000
GBP
|
27 ,433
GBP
|
| Trade and other current payables [abstract] | |||
| Other current payables |
948,000
GBP
|
5,296,000
GBP
|
— |
| Issued capital [abstract] | |||
| Issued capital |
1,810,000
GBP
|
1,810,000
GBP
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
16,027,000
GBP
|
11, 169
GBP
|
— |
| Miscellaneous equity [abstract] | |||
| Capital reserve |
117 , 7 40
GBP
|
107 ,989
GBP
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
295,7 50
GBP
|
301,283,000
GBP
|
— |
| Assets (liabilities) |
294,124,000
GBP
|
295,204,000
GBP
|
— |
| Assets less current liabilities [abstract] | |||
| Assets less current liabilities |
294, 124
GBP
|
295,204,000
GBP
|
— |