Analysis Of Income And Expense [Abstract]
| Concept |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | |||||||||
| Material income and expense [abstract] | |||||||||
| Selling, general and administrative expense [abstract] | |||||||||
| General and administrative expense | — | — | — | — | — |
19,500,000
GBP
|
— |
13,800,000
GBP
|
— |
| Revenue and other operating income | — | — | — | — | — |
351,200,000
GBP
|
— |
288,800,000
GBP
|
— |
| Operating expense | — | — | — | — | — |
26,600,000
GBP
|
— |
16,300,000
GBP
|
— |
| Fee and commission income (expense) [abstract] | |||||||||
| Fee and commission income [abstract] | |||||||||
| Fee and commission income | — | — | — | — | — |
21,800,000
GBP
|
— |
12,500,000
GBP
|
— |
| Expenses by nature [abstract] | |||||||||
| Classes of employee benefits expense [abstract] | |||||||||
| Expense from share-based payment transactions with employees | — | — | — | — | — |
3,700,000
GBP
|
— |
1,500,000
GBP
|
— |
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract] | |||||||||
| Depreciation and amortisation expense [abstract] | |||||||||
| Depreciation and amortisation expense | — | — | — | — | — |
800,000
GBP
|
— |
700,000
GBP
|
— |
| Disclosure of attribution of expenses by nature to their function [text block] | — | — | — | — | — | — | — | — | — |
| Disclosure of attribution of expenses by nature to their function [abstract] | |||||||||
| Disclosure of attribution of expenses by nature to their function [line items] | |||||||||
| Comprehensive income, continuing and discontinued operations [abstract] | |||||||||
| Comprehensive income |
–
GBP
|
–
GBP
|
300,700,000
GBP
|
–
GBP
|
–
GBP
|
300,700,000
GBP
|
267,400,000
GBP
|
267,400,000
GBP
|
267,400,000
GBP
|