Statement Of Financial Position [Abstract]
| Concept |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-01-01 |
As at 2024-01-01 |
As at 2024-01-01 |
As at 2024-01-01 |
As at 2024-01-01 |
As at 2024-01-01 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-01-01 |
As at 2023-01-01 |
As at 2023-01-01 |
As at 2023-01-01 |
As at 2023-01-01 |
As at 2023-01-01 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — |
7 .8
GBP
|
— | — | — | — | — | — |
8,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Investment property | — | — | — | — | — |
91,700,000
GBP
|
— | — | — | — | — | — |
88,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Other financial assets | — | — | — | — | — |
100,000
GBP
|
— | — | — | — | — | — |
300,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Insurance contracts issued that are assets | — | — | — | — | — |
38,900,000
GBP
|
— | — | — | — | — | — |
54,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Reinsurance contracts held that are assets | — | — | — | — | — |
1,800,000
GBP
|
— | — | — | — | — | — |
3,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — |
68 .7
GBP
|
— | — | — | — | — | — |
57,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — |
138,000,000
GBP
|
— | — | — |
145,900,000
GBP
|
— | — |
146,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
204,600,000
GBP
|
| Assets | — | — | — | — | — |
12 ,75 5 .1
GBP
|
— | — | — | — | — | — |
12 ,12 9 .7
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital | — | — | — | — | — |
7 .5
GBP
|
— | — | — | — | — | — |
7,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — | — |
1 36.5
GBP
|
— | — | — | — | — | — |
167,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Share premium | — | — | — | — | — |
142,500,000
GBP
|
— | — | — | — | — | — |
142,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Other reserves | — | — | — | — | — |
8 .4
GBP
|
— | — | — | — | — | — |
6,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
13 6 . 5
GBP
|
142 . 5
GBP
|
7,500,000
GBP
|
8 . 4
GBP
|
3 6 . 3
GBP
|
314 . 4
GBP
|
1 6 7.0
GBP
|
6 . 5
GBP
|
36 . 3
GBP
|
3 5 9. 8
GBP
|
14 2 . 5
GBP
|
7,500,000
GBP
|
3 5 9. 8
GBP
|
1 67.0
GBP
|
6 . 5
GBP
|
1 42 . 5
GBP
|
7,500,000
GBP
|
3 6 . 3
GBP
|
1 83 . 1
GBP
|
14 . 9
GBP
|
3 6 . 3
GBP
|
7. 5
GBP
|
14 2 . 3
GBP
|
38 4 .1
GBP
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Provisions [abstract] | ||||||||||||||||||||||||
| Other provisions | — | — | — | — | — |
20,300,000
GBP
|
— | — | — | — | — | — |
23. 2
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Insurance contracts issued that are liabilities | — | — | — | — | — |
4 ,099.1
GBP
|
— | — | — | — | — | — |
4,203,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Reinsurance contracts held that are liabilities | — | — | — | — | — |
16,600,000
GBP
|
— | — | — | — | — | — |
17 .1
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — | — | — |
24 .7
GBP
|
— | — | — | — | — | — |
24 . 3
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — | — |
1 2 , 4 4 0.7
GBP
|
— | — | — | — | — | — |
1 1 ,769.9
GBP
|
— | — | — | — | — | — | — | — | — | — | — |