Statement Of Financial Position [Abstract]
| Concept |
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 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||
| Property, plant and equipment |
1 4 .1
GBP
|
— | — | — | — | — |
28 .7
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
224 .0
GBP
|
— | — | — | — | — |
10 3 . 3
GBP
|
— | — | — | — | — | — |
16 4 .5
GBP
|
— | — | — | — |
| Assets |
5 6 5.9
GBP
|
— | — | — | — | — |
782 .2
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital |
400,000
GBP
|
— | — | — | — | — |
300,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
3 5. 6
GBP
|
— | — | — | — | — |
9 8 .6
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Share premium |
293,000,000
GBP
|
— | — | — | — | — |
29 2.6
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
288,000,000
GBP
|
35 .6
GBP
|
293,000,000
GBP
|
19 .1
GBP
|
11,100,000
GBP
|
400,000
GBP
|
2 1 7. 6
GBP
|
300,000
GBP
|
9 8 .6
GBP
|
9,700,000
GBP
|
29 2.6
GBP
|
13 . 6
GBP
|
6 .5
GBP
|
31 9.0
GBP
|
8 .0
GBP
|
292 .3
GBP
|
11 .9
GBP
|
300,000
GBP
|
| Liabilities [abstract] | ||||||||||||||||||
| Liabilities |
2 7 7. 9
GBP
|
— | — | — | — | — |
5 6 4.6
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
5 6 5.9
GBP
|
— | — | — | — | — |
782 .2
GBP
|
— | — | — | — | — | — | — | — | — | — | — |