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Segment Information (Details) - Schedule of Non-Current Assets - GBP (£)
£ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Dec. 31, 2021
Non-current assets      
Total non-current assets £ 172,577 £ 264,396 £ 544,691
UK [Member]      
Non-current assets      
Total non-current assets 172,531 262,541  
EU [Member]      
Non-current assets      
Total non-current assets £ 46 £ 1,855