Statement Of Financial Position [Abstract]
| Concept |
As at 2024-12-28 |
As at 2024-12-28 |
As at 2024-12-28 |
As at 2024-12-28 |
As at 2023-12-30 |
As at 2023-12-30 |
As at 2023-12-30 |
As at 2023-12-30 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||
| Assets [abstract] | ||||||||||||
| Non-current assets [abstract] | ||||||||||||
| Property, plant and equipment | — |
900,000
GBP
|
— | — | — | — | — |
1,100,000
GBP
|
— | — | — | — |
| Right-of-use assets | — |
700,000
GBP
|
— | — | — | — | — |
800,000
GBP
|
— | — | — | — |
| Goodwill | — |
13,700,000
GBP
|
— | — | — | — | — |
13,300,000
GBP
|
— | — | — | — |
| Intangible assets other than goodwill | — |
12,000,000
GBP
|
— | — | — | — | — |
11,600,000
GBP
|
— | — | — | — |
| Deferred tax assets | — |
1,200,000
GBP
|
— | — | — | — | — |
2,500,000
GBP
|
— | — | — | — |
| Non-current assets | — |
29,500,000
GBP
|
— | — | — | — | — |
30,400,000
GBP
|
— | — | — | — |
| Current assets [abstract] | ||||||||||||
| Current inventories | — |
100,000
GBP
|
— | — | — | — | — |
-
GBP
|
— | — | — | — |
| Trade and other current receivables | — |
19,000,000
GBP
|
— | — | — | — | — |
15,300,000
GBP
|
— | — | — | — |
| Cash and cash equivalents | — |
10,900,000
GBP
|
— | — | — | — | — |
10,700,000
GBP
|
27,000,000
GBP
|
— | — | — |
| Current assets | — |
30,800,000
GBP
|
— | — | — | — | — |
26,000,000
GBP
|
— | — | — | — |
| Assets | — |
60,300,000
GBP
|
— | — | — | — | — |
57,400,000
GBP
|
— | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||
| Equity [abstract] | ||||||||||||
| Issued capital | — |
300,000
GBP
|
— | — | — | — | — |
300,000
GBP
|
— | — | — | — |
| Retained earnings | — |
9,900,000
GBP
|
— | — | — | — | — |
7,800,000
GBP
|
— | — | — | — |
| Share premium | — |
27,400,000
GBP
|
— | — | — | — | — |
27,400,000
GBP
|
— | — | — | — |
| Equity |
9,900,000
GBP
|
37,600,000
GBP
|
300,000
GBP
|
27,400,000
GBP
|
7,800,000
GBP
|
27,400,000
GBP
|
300,000
GBP
|
35,500,000
GBP
|
34,000,000
GBP
|
24,600,000
GBP
|
9,100,000
GBP
|
300,000
GBP
|
| Liabilities [abstract] | ||||||||||||
| Non-current liabilities [abstract] | ||||||||||||
| Non-current liabilities | — |
400,000
GBP
|
— | — | — | — | — |
200,000
GBP
|
— | — | — | — |
| Current liabilities [abstract] | ||||||||||||
| Current provisions [abstract] | ||||||||||||
| Current provisions | — |
600,000
GBP
|
— | — | — | — | — |
900,000
GBP
|
— | — | — | — |
| Trade and other current payables | — |
21,400,000
GBP
|
— | — | — | — | — |
19,900,000
GBP
|
— | — | — | — |
| Current liabilities other than liabilities included in disposal groups classified as held for sale | — |
-
GBP
|
— | — | — | — | — |
100,000
GBP
|
— | — | — | — |
| Current liabilities | — |
22,300,000
GBP
|
— | — | — | — | — |
21,600,000
GBP
|
— | — | — | — |
| Liabilities | — |
22,700,000
GBP
|
— | — | — | — | — |
21,900,000
GBP
|
— | — | — | — |