HS code classification for UK importers

Practical HS code classification for UK importers: prepare material and function details, check the 10-digit commodity code and GRI notes, then estimate HMRC duty and VAT.

Start with the goods, not the supplier’s code

An HS code’s first six digits are internationally harmonised; national detail follows. For GB imports, check the complete 10-digit commodity code. A supplier’s export code, marketplace category or AI suggestion is a starting point, not proof. Country of origin affects measures but does not replace the product description used to classify the goods.

Prepare a useful classification brief

What the item does and its principal intended use.
Material composition with percentages if relevant.
How it is made: for example knitted versus woven clothing.
Whether it is a complete product, part, accessory, unfinished article or set.
Technical specifications, dimensions and capacity where relevant.
How it is packaged and whether items are sold together.

Example questions, not classifications: for a lens, is it mounted and intended for a camera or another instrument? For a shirt, is it knitted or woven and what fibres predominate? For a mixed-material set, what are its components and how is it sold? If these details are missing, ask the supplier instead of guessing a code.

Read the legal notes and the GRI

Use the official UK Trade Tariff search, then inspect the section, chapter and heading notes. The General Rules of Interpretation govern classification; they are not just keywords to add to an answer. GRI 1 directs you to heading terms and relevant legal notes, and GRI 6 addresses subheading classification. Complex sets, mixtures and unfinished goods need careful application of the relevant rules—not a universal shortcut.

Our AI classifier, when available, supplies stated GRI reasoning and a model-generated confidence score. Neither proves correctness. Confirm that the reasoning matches the actual goods and legal notes. When the service is unavailable, use the official search; no sample result is substituted.

A tariff lookup is not product approval

A successful lookup establishes that a tariff code or measure can be read. It does not confirm that the goods fit that heading. Once you have a candidate full code, select the origin and review duty, VAT, preference requirements, restrictions and additional measures. A preferential rate needs qualifying origin evidence; dispatch country alone is not enough.

Turn the code into a buying decision

Use the code with goods value, border freight and insurance to estimate supported duty and VAT. Include known clearance or delivery charges and keep missing amounts visible. For VAT-registered businesses, cash paid and possible VAT recovery are different: do not assume every import VAT amount is recoverable. Our methodology explains cached-data dates and uncalculated rate types.

Check a code / access classifier Estimate UK import costs Check supplier details

If the classification is still uncertain

Ask for missing specifications, discuss the item with your broker or a specialist, and consider HMRC’s Advance Tariff Ruling process for a binding decision within its scope. A paid specialist review is not a substitute for that ruling.

Official sources and related comparisons

Last reviewed 1 November 2026. General guidance only — not legal or tax advice.