The UK CBAM, guide by guide
Everything an importer needs before 1 January 2027, in plain English, with the rule cited inline. Start with scope and dates, then the cost mechanics and the supplier data that saves you money.
Is my business in scope? The £50,000 threshold explained
The two-limbed test, worked through: the 30-day forward look and the 12-month backward look, both on the value of your goods.
GoodsWhich goods are covered? Steel, aluminium, cement, fertiliser and hydrogen
The CN families in each sector, the scrap exclusions, and why the final commodity-code list is still being settled.
DatesUK CBAM key dates: register by 31 January 2028, first return 31 May 2028
The full timeline, from charging start to the year-one registration easement and the quarterly move in 2028.
CostHow is the charge calculated? Embodied emissions times the rate, minus overseas carbon price
The formula, where the rate comes from, and why so much of the number is still pending publication.
CostDefault emissions values vs actual verified data: which should you use?
Why actual verified supplier data usually beats the default, and the mark-up that makes defaults the expensive option.
ActionWhat emissions data to collect from your suppliers before 2027
The exact checklist to send your suppliers now, so you are not stuck on the default when the first period opens.
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