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Provisions (Details) - GBP (£)
£ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Provisions [Abstract]    
Provisions, beginning balance £ 288 £ 217
Arising during the year 299 150
Utilized (340) (79)
Provisions, ending balance 247 288
Current 109 183
Non-current £ 138 £ 105