Taxation - Components of Taxation (Details) - GBP (£) £ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Current Tax Expense
Current Year	£ (7,280)	£ (5,571)
Changes in estimate related to prior years	401	(875)	£ 42
Total current tax	(6,879)	(6,446)
Deferred Tax Expense
Taxation	£ (6,879)	£ (6,446)	£ (3,494)

Adjustments of tax expense (income) recognised in the period for current tax of prior periods.

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The amount of income taxes payable (recoverable) in respect of the taxable profit (tax loss) for a period.

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