Statement Of Financial Position [Abstract]
| Concept |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2023-04-02 |
As at 2023-04-02 |
As at 2023-04-02 |
As at 2023-04-02 |
As at 2023-04-02 |
As at 2022-04-03 |
As at 2022-04-03 |
As at 2022-04-03 |
As at 2022-04-03 |
As at 2022-04-03 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||
| Assets [abstract] | |||||||||||||||
| Non-current assets [abstract] | |||||||||||||||
| Property, plant and equipment | — | — | — | — |
8,232,000
GBP
|
7,781,000
GBP
|
— | — | — | — | — |
5,801,000
GBP
|
— | — | — |
| Right-of-use assets | — | — | — | — |
20,522,000
GBP
|
25,450,000
GBP
|
— | — | — | — | — |
20,985,000
GBP
|
— | — | — |
| Intangible assets other than goodwill | — | — | — | — |
104,000
GBP
|
235,000
GBP
|
— | — | — | — | — |
363,000
GBP
|
— | — | — |
| Deferred tax assets | — | — | — | — |
655,000
GBP
|
894,000
GBP
|
— | — | — | — | — |
702,000
GBP
|
— | — | — |
| Non-current assets | — | — | — | — |
29,513,000
GBP
|
34,360,000
GBP
|
— | — | — | — | — |
27,851,000
GBP
|
— | — | — |
| Current assets [abstract] | |||||||||||||||
| Current inventories | — | — | — | — |
9,716,000
GBP
|
11,515,000
GBP
|
— | — | — | — | — |
16,759,000
GBP
|
— | — | — |
| Trade and other current receivables | — | — | — | — |
3,742,000
GBP
|
2,240,000
GBP
|
— | — | — | — | — |
1,975,000
GBP
|
— | — | — |
| Current tax assets, current | — | — | — | — |
145,000
GBP
|
611,000
GBP
|
— | — | — | — | — |
271,000
GBP
|
— | — | — |
| Cash and cash equivalents | — | — | — | — |
2,005,000
GBP
|
1,962,000
GBP
|
— | — | — | — | — |
3,782,000
GBP
|
— | — | — |
| Current assets | — | — | — | — |
15,608,000
GBP
|
16,328,000
GBP
|
— | — | — | — | — |
22,787,000
GBP
|
— | — | — |
| Assets | — | — | — | — |
45,121,000
GBP
|
50,688,000
GBP
|
— | — | — | — | — |
50,638,000
GBP
|
— | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Issued capital | — | — | — | — |
1,090,000
GBP
|
1,090,000
GBP
|
— | — | — | — | — |
1,090,000
GBP
|
— | — | — |
| Retained earnings | — | — | — | — |
3,238,000
GBP
|
318,000
GBP
|
— | — | — | — | — |
6,046,000
GBP
|
— | — | — |
| Share premium | — | — | — | — |
1,000
GBP
|
1,000
GBP
|
— | — | — | — | — |
1,000
GBP
|
— | — | — |
| Equity |
3,238,000
GBP
|
1,000
GBP
|
1,090,000
GBP
|
4,099,000
GBP
|
8,428,000
GBP
|
7,664,000
GBP
|
6,891,000
GBP
|
318,000
GBP
|
1,090,000
GBP
|
1,000
GBP
|
6,046,000
GBP
|
12,938,000
GBP
|
1,000
GBP
|
1,090,000
GBP
|
5,801,000
GBP
|
| Liabilities [abstract] | |||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||
| Non-current provisions | — | — | — | — |
565,000
GBP
|
612,000
GBP
|
— | — | — | — | — |
444,000
GBP
|
— | — | — |
| Trade and other non-current payables | — | — | — | — |
48,000
GBP
|
954,000
GBP
|
— | — | — | — | — |
816,000
GBP
|
— | — | — |
| Non-current liabilities | — | — | — | — |
19,908,000
GBP
|
27,996,000
GBP
|
— | — | — | — | — |
20,865,000
GBP
|
— | — | — |
| Current liabilities [abstract] | |||||||||||||||
| Current provisions [abstract] | |||||||||||||||
| Current provisions | — | — | — | — |
253,000
GBP
|
200,000
GBP
|
— | — | — | — | — |
173,000
GBP
|
— | — | — |
| Trade and other current payables | — | — | — | — |
10,431,000
GBP
|
7,276,000
GBP
|
— | — | — | — | — |
8,278,000
GBP
|
— | — | — |
| Current liabilities | — | — | — | — |
16,785,000
GBP
|
15,028,000
GBP
|
— | — | — | — | — |
16,835,000
GBP
|
— | — | — |
| Liabilities | — | — | — | — |
36,693,000
GBP
|
43,024,000
GBP
|
— | — | — | — | — |
37,700,000
GBP
|
— | — | — |