Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Inventory (Details)

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Inventory (Details) - GBP (£)
£ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disclosure of inventories [text block] [Abstract]    
Net realizable value £ 447.2 £ 161.2
Percentage of change in expected selling price 2.00%  
Security against stocking loans £ 273.3 £ 96.3