Statement Of Financial Position [Abstract]
| Concept |
As at 2023-09-30 |
As at 2023-09-30 |
As at 2023-09-30 |
As at 2023-09-30 |
As at 2023-09-30 |
As at 2023-09-30 |
As at 2023-09-30 |
As at 2022-09-30 |
As at 2022-09-30 |
As at 2022-09-30 |
As at 2022-09-30 |
As at 2022-09-30 |
As at 2022-09-30 |
As at 2022-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
As at 2021-09-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — |
71,526,000
GBP
|
— | — |
74,281,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — | — |
538,000
GBP
|
— | — |
375,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — | — | — | — |
2,752,000
GBP
|
— | — |
3,206,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — |
809,000
GBP
|
— | — |
3,820,000
GBP
|
— | — | — | — | — | — | — | — |
247,000
GBP
|
— | — |
| Assets | — | — | — | — | — | — |
175,021,000
GBP
|
— | — |
188,181,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital | — | — | — | — | — | — |
1,223,000
GBP
|
— | — |
1,217,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — | — | — |
105,120,000
GBP
|
— | — |
96,082,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Share premium | — | — | — | — | — | — |
23,484,000
GBP
|
— | — |
23,484,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
7,463,000
GBP
|
42,000
GBP
|
105,120,000
GBP
|
23,484,000
GBP
|
1,223,000
GBP
|
2,000
GBP
|
137,246,000
GBP
|
311,000
GBP
|
23,484,000
GBP
|
133,850,000
GBP
|
96,082,000
GBP
|
1,217,000
GBP
|
13,383,000
GBP
|
5,000
GBP
|
292,000
GBP
|
4,000
GBP
|
1,820,000
GBP
|
80,083,000
GBP
|
106,299,000
GBP
|
1,208,000
GBP
|
23,484,000
GBP
|
| Liabilities [abstract] | |||||||||||||||||||||
| Deferred tax liabilities | — | — | — | — | — | — |
4,851,000
GBP
|
— | — |
5,369,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — | — | — |
37,775,000
GBP
|
— | — |
54,331,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |