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Trade and other receivables (Details) - GBP (£)
£ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Trade and other receivables    
Government grants receivable £ 5,415 £ 1,989
Prepayments 6,571 733
Other receivables 672 810
Total trade and other current receivables 12,658 3,532
R&D tax credit receivable 2,716 328
VAT receivables 2,595 6
Prepaid insurance £ 3,805 £ 0