Taxation (Details) - GBP (£) £ in Millions |
12 Months Ended | ||
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Apr. 01, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
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| Taxation (Details) [Line Items] | |||
| Unutilized tax losses | £ 554.1 | £ 488.3 | |
| Bottom of range [member] | |||
| Taxation (Details) [Line Items] | |||
| Corporation tax rate | 19.00% | ||
| Top of range [member] | |||
| Taxation (Details) [Line Items] | |||
| Corporation tax rate | 25.00% | ||
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- References No definition available.
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- Definition The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to tax losses. [Refer: Accounting profit] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Tax rate effect on the reconciliation between the average effective tax rate and the applicable tax rate resulting from adjustments for the current tax of prior periods. [Refer: Average effective tax rate; Applicable tax rate; Adjustments for current tax of prior periods] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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