Statement Of Changes In Equity [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2022-12-31 |
2022-01-01 to 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 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||
| Equity | — |
1 31 , 53 0
GBP
|
— |
1 31 , 47 8
GBP
|
111,000
GBP
|
— | — | — |
–
GBP
|
— | — |
85,000
GBP
|
1 4 4
GBP
|
1 31 , 5 3 0
GBP
|
11 5 , 9 5 8
GBP
|
— | — | — | — |
96,000
GBP
|
— |
7,7 0 4
GBP
|
40,179,000
GBP
|
6 8 , 010
GBP
|
31,000
GBP
|
108 ,2 54
GBP
|
— | — |
8 , 4 42
GBP
|
30,000
GBP
|
81, 5 6 3
GBP
|
76 , 3 41
GBP
|
5, 222
GBP
|
141,000
GBP
|
6 8 , 01 0
GBP
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||
| Profit (loss) |
23 ,737
GBP
|
— |
22 , 71 3
GBP
|
— | — |
1 , 024
GBP
|
22 , 71 3
GBP
|
–
GBP
|
— |
–
GBP
|
–
GBP
|
— | — | — | — |
–
GBP
|
33 ,3 68
GBP
|
31 , 0 01
GBP
|
2,367,000
GBP
|
— |
–
GBP
|
— | — | — | — | — |
31 , 0 01
GBP
|
–
GBP
|
— | — | — | — | — | — | — |
| Other comprehensive income |
10 6
GBP
|
— |
96,000
GBP
|
— | — |
1 0
GBP
|
–
GBP
|
15,000
GBP
|
— |
111,000
GBP
|
–
GBP
|
— | — | — | — |
–
GBP
|
19 0
GBP
|
–
GBP
|
14,000
GBP
|
— |
66,000
GBP
|
— | — | — | — | — |
176,000
GBP
|
110,000
GBP
|
— | — | — | — | — | — | — |
| Comprehensive income |
23 , 6 31
GBP
|
— |
2 2 , 617
GBP
|
— | — |
1 ,01 4
GBP
|
22 , 71 3
GBP
|
15,000
GBP
|
— |
111,000
GBP
|
–
GBP
|
— | — | — | — |
–
GBP
|
33 ,55 8
GBP
|
31 , 0 01
GBP
|
2 , 3 81
GBP
|
— |
66,000
GBP
|
— | — | — | — | — |
31, 17 7
GBP
|
110,000
GBP
|
— | — | — | — | — | — | — |
| Issue of equity |
–
GBP
|
— |
–
GBP
|
— | — |
–
GBP
|
11,000
GBP
|
–
GBP
|
— |
–
GBP
|
11,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
1 2 , 8 4 0
GBP
|
— |
11 , 3 0 0
GBP
|
— | — |
1 , 5 4 0
GBP
|
11 , 3 0 0
GBP
|
–
GBP
|
— |
–
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity |
–
GBP
|
— |
7, 5 2 0
GBP
|
— | — |
7, 5 2 0
GBP
|
7, 5 3 0
GBP
|
–
GBP
|
— |
1 0
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
1 , 359
GBP
|
— |
1 , 31 3
GBP
|
— | — |
46,000
GBP
|
1 , 31 3
GBP
|
–
GBP
|
— |
–
GBP
|
–
GBP
|
— | — | — | — |
–
GBP
|
388,000
GBP
|
388,000
GBP
|
–
GBP
|
— |
–
GBP
|
— | — | — | — | — |
388,000
GBP
|
–
GBP
|
— | — | — | — | — | — | — |
| Increase (decrease) in equity |
8 ,059
GBP
|
— |
659,000
GBP
|
— | — |
8,718,000
GBP
|
68,586,000
GBP
|
–
GBP
|
— |
2,000
GBP
|
6 7, 9 2 5
GBP
|
— | — | — | — |
–
GBP
|
837,000
GBP
|
736,000
GBP
|
101,000
GBP
|
— |
–
GBP
|
— | — | — | — | — |
736,000
GBP
|
–
GBP
|
— | — | — | — | — | — | — |