Analysis Of Income And Expense [Abstract]
| Concept |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||
| Material income and expense [abstract] | ||||||||||||||
| Investment income | — | — |
66,539,000
GBP
|
— |
–
GBP
|
— |
66,539,000
GBP
|
— | — | — |
49,138,000
GBP
|
–
GBP
|
49,138,000
GBP
|
— |
| Selling, general and administrative expense [abstract] | ||||||||||||||
| General and administrative expense | — | — |
17,718,000
GBP
|
— |
–
GBP
|
— |
17,718,000
GBP
|
— | — | — |
22,608,000
GBP
|
–
GBP
|
22,608,000
GBP
|
— |
| Donations and subsidies expense | — | — |
4,002,000
GBP
|
— |
–
GBP
|
— |
4,002,000
GBP
|
— | — | — |
4,353,000
GBP
|
–
GBP
|
4,353,000
GBP
|
— |
| Expenses by nature [abstract] | ||||||||||||||
| Expenses, by nature | — | — |
21,720,000
GBP
|
— |
–
GBP
|
— |
21,720,000
GBP
|
— | — | — |
26,961,000
GBP
|
–
GBP
|
26,961,000
GBP
|
— |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income |
44,819,000
GBP
|
–
GBP
|
— |
–
GBP
|
— |
187,979,000
GBP
|
143,160,000
GBP
|
22,177,000
GBP
|
18,389,000
GBP
|
–
GBP
|
— | — |
3,788,000
GBP
|
–
GBP
|