Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2024-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
64 ,29 6
GBP
|
75 ,69 2
GBP
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
29 ,21 9
GBP
|
30 ,98 1
GBP
|
— |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract] | |||
| Investments in subsidiaries reported in separate financial statements |
-
GBP
|
-
GBP
|
— |
| Trade and other non-current receivables [abstract] | |||
| Trade and other non-current receivables |
4, 934
GBP
|
4 ,34 0
GBP
|
— |
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables |
58 ,97 1
GBP
|
24 ,74 1
GBP
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
13 ,57 3
GBP
|
12 ,87 2
GBP
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
60 ,65 0
GBP
|
103, 71 6
GBP
|
141 ,2 85
GBP
|
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
39 ,79 0
GBP
|
38 ,53 4
GBP
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings and current portion of non-current borrowings |
28 1
GBP
|
-
GBP
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Current borrowings and current portion of non-current borrowings, by type [abstract] | |||
| Trade and other non-current payables [abstract] | |||
| Non-current accruals and non-current deferred income including non-current contract liabilities [abstract] | |||
| Non-current deferred income including non-current contract liabilities [abstract] | |||
| Non-current contract liabilities [abstract] | |||
| Non-current contract liabilities |
50,000
GBP
|
4 ,49 4
GBP
|
— |
| Non-current deferred income other than non-current contract liabilities |
1, 020
GBP
|
83 7
GBP
|
— |
| Trade and other current payables [abstract] | |||
| Current accruals and current deferred income including current contract liabilities [abstract] | |||
| Current deferred income including current contract liabilities [abstract] | |||
| Current contract liabilities [abstract] | |||
| Current contract liabilities |
23 ,63 0
GBP
|
21 ,59 8
GBP
|
— |
| Current deferred income other than current contract liabilities |
56 2
GBP
|
514,000
GBP
|
— |
| Trade and other current payables |
26 ,16 9
GBP
|
17 ,80 2
GBP
|
— |
| Issued capital [abstract] | |||
| Issued capital |
52 ,98 1
GBP
|
48,4 03
GBP
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
3 99, 50 0
GBP
|
3 52, 91 8
GBP
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets (liabilities) |
60 ,4 87
GBP
|
77, 834
GBP
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
13 3,1 94
GBP
|
141 ,3 29
GBP
|
— |
| Current liabilities |
58 ,32 1
GBP
|
44 ,31 5
GBP
|
— |
| Current assets (liabilities) |
74 ,87 3
GBP
|
97 ,01 4
GBP
|
— |
| Assets less current liabilities [abstract] |