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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||
| Assets [abstract] | |||||||||||||||
| Non-current assets [abstract] | |||||||||||||||
| Property, plant and equipment |
1 .1
GBP
|
— | — | — | — |
400,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Right-of-use assets |
1. 3
GBP
|
— | — | — | — |
1,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Non-current assets |
1,070. 0
GBP
|
— | — | — | — |
9 98.6
GBP
|
— | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||
| Trade and other current receivables |
7. 0
GBP
|
— | — | — | — |
7. 8
GBP
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
55,800,000
GBP
|
— | — | — | — |
3 7. 1
GBP
|
— | — | — | — |
3 3 .9
GBP
|
— | — | — | — |
| Current assets |
76. 5
GBP
|
— | — | — | — |
70. 8
GBP
|
— | — | — | — | — | — | — | — | — |
| Assets |
1 ,14 6 . 5
GBP
|
— | — | — | — |
1,0 69.4
GBP
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Issued capital |
6,000,000
GBP
|
— | — | — | — |
6,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Retained earnings |
249. 8
GBP
|
— | — | — | — |
1 81.4
GBP
|
— | — | — | — | — | — | — | — | — |
| Share premium |
0. 3
GBP
|
— | — | — | — |
300,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Equity |
700. 8
GBP
|
300,000
GBP
|
249. 8
GBP
|
6,000,000
GBP
|
444. 7
GBP
|
6 4 7. 6
GBP
|
4 59.9
GBP
|
181,400,000
GBP
|
300,000
GBP
|
6,000,000
GBP
|
633,300,000
GBP
|
6 .0
GBP
|
47 5. 0
GBP
|
152 .0
GBP
|
300,000
GBP
|
| Liabilities [abstract] | |||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||
| Non-current liabilities |
3 8 7. 7
GBP
|
— | — | — | — |
3 2 7. 1
GBP
|
— | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||
| Trade and other current payables |
24 .8
GBP
|
— | — | — | — |
20,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Current liabilities |
58 .0
GBP
|
— | — | — | — |
94 .7
GBP
|
— | — | — | — | — | — | — | — | — |
| Liabilities |
4 45 .7
GBP
|
— | — | — | — |
421. 8
GBP
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities |
1,1 46 . 5
GBP
|
— | — | — | — |
1,069,400,000
GBP
|
— | — | — | — | — | — | — | — | — |