Statement Of Financial Position [Abstract]
| Concept |
As at 2022-06-30 |
As at 2022-06-30 |
As at 2022-06-30 |
As at 2022-06-30 |
As at 2022-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2020-06-30 |
As at 2020-06-30 |
As at 2020-06-30 |
As at 2020-06-30 |
As at 2020-06-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||
| Assets [abstract] | |||||||||||||||
| Property, plant and equipment | — | — |
8,112,000
GBP
|
— | — | — | — |
6,684,000
GBP
|
— | — | — | — | — | — | — |
| Deferred tax assets | — | — |
941,000
GBP
|
— | — | — | — |
1,233,000
GBP
|
— | — | — | — | — | — | — |
| Cash and cash equivalents | — | — |
33,764,000
GBP
|
— | — | — | — |
34,331,000
GBP
|
— | — |
76,807,000
GBP
|
— | — | — | — |
| Assets | — | — |
367,558,000
GBP
|
— | — | — | — |
313,134,000
GBP
|
— | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Issued capital | — | — |
1,166,000
GBP
|
— | — | — | — |
1,165,000
GBP
|
— | — | — | — | — | — | — |
| Retained earnings | — | — |
255,638,000
GBP
|
— | — | — | — |
227,923,000
GBP
|
— | — | — | — | — | — | — |
| Share premium | — | — |
15,843,000
GBP
|
— | — | — | — |
15,843,000
GBP
|
— | — | — | — | — | — | — |
| Equity |
255,638,000
GBP
|
15,843,000
GBP
|
272,176,000
GBP
|
471,000
GBP
|
1,166,000
GBP
|
15,843,000
GBP
|
1,165,000
GBP
|
244,931,000
GBP
|
227,923,000
GBP
|
–
GBP
|
212,605,000
GBP
|
15,843,000
GBP
|
195,601,000
GBP
|
–
GBP
|
1,161,000
GBP
|
| Liabilities [abstract] | |||||||||||||||
| Liabilities | — | — |
95,382,000
GBP
|
— | — | — | — |
68,203,000
GBP
|
— | — | — | — | — | — | — |