Trade receivables - Summary of Trade Receivables (Details) - GBP (£) £ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Trade and other receivables [abstract]
Trade receivables	£ 915	£ 331

The amount due from customers for goods and services sold.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
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-IssueDate 2022-03-24
-Paragraph 78
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant