Statement Of Financial Position [Abstract]
| Concept |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||||||||
| Property, plant and equipment |
133,780,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
69,728,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other non-current receivables |
5,010,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
3,605,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
244, 676
GBP
|
— | — | — | — | — | — | — | — | — | — |
73,385,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||||||||
| Current inventories |
12, 625
GBP
|
— | — | — | — | — | — | — | — | — | — |
9,521,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current receivables |
61,571,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
44, 747
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, current |
–
GBP
|
— | — | — | — | — | — | — | — | — | — |
558,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
1 41,285
GBP
|
— | — | — | — | — | — | — | — | — | — |
108,944,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
46,7 43
GBP
|
| Current assets |
215,504,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
163,844,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||
| Issued capital |
48,132,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
43,088,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
198,545,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
165 ,806
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium |
379,953,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
307 ,765
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
24 ,887
GBP
|
— | — | — | — | — | — | — | — | — | — |
2,291,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
204, 653
GBP
|
— | — | — | — | — | — | — | — | — | — |
187 ,338
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
31,539,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
236,192,000
GBP
|
35,003,000
GBP
|
31,539,000
GBP
|
379,953,000
GBP
|
198,545,000
GBP
|
48,132,000
GBP
|
7 ,825
GBP
|
2,291,000
GBP
|
204,653,000
GBP
|
165,806,000
GBP
|
–
GBP
|
187 ,338
GBP
|
2,291,000
GBP
|
187,338,000
GBP
|
307 ,765
GBP
|
–
GBP
|
–
GBP
|
43,088,000
GBP
|
188 ,723
GBP
|
–
GBP
|
112, 746
GBP
|
41,161,000
GBP
|
2,291,000
GBP
|
–
GBP
|
–
GBP
|
258 ,017
GBP
|
112,746,000
GBP
|
| Liabilities [abstract] | |||||||||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||||||||
| Non-current provisions |
8,424,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
6,2 44
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
5 ,588
GBP
|
— | — | — | — | — | — | — | — | — | — |
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
164,325,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
16,584,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||||||||
| Trade and other current payables |
36,579,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
19, 058
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities |
59, 663
GBP
|
— | — | — | — | — | — | — | — | — | — |
33,307,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |