What Is Customs Duty?

Customs duty is a tax levied by HMRC on goods imported into the United Kingdom from outside the country. It is one of the oldest forms of taxation and serves two primary purposes: generating revenue for the government and protecting domestic industries from foreign competition.

Every item that crosses the UK border is subject to a duty rate determined by its commodity code — a 10-digit classification number that identifies the product type. Understanding these rates is essential for any business involved in international trade, as they directly affect your landed costs and profit margins.

How Is Customs Duty Calculated?

Customs duty is typically calculated as a percentage of the customs value of your goods. The customs value is usually based on the transaction value — the price you actually paid for the goods — plus certain adjustments:

  • Cost of goods — The price shown on the commercial invoice
  • Freight charges — The cost of shipping to the UK port of entry
  • Insurance — The cost of insuring the goods during transit

This combined figure is known as the CIF (Cost, Insurance, and Freight) value. The duty rate for your product's commodity code is then applied to this CIF value.

Example: You import electronic components with a CIF value of £10,000. The commodity code duty rate is 3.7%. Your customs duty would be £10,000 × 3.7% = £370.

Some goods attract specific duties rather than ad valorem (percentage-based) rates. For instance, certain agricultural products may be charged per kilogram or per litre rather than as a percentage of value.

Common Duty Rates by Product Category

Duty rates vary enormously depending on the type of product. Here are some indicative rates for commonly imported goods in 2026:

  • Electronics and computers — 0% to 3.7% (many electronic components enter duty-free)
  • Clothing and textiles — 8% to 12% (among the highest rates for consumer goods)
  • Footwear — 8% to 17% (varies by material and construction)
  • Furniture — 0% to 5.6%
  • Automotive parts — 2.5% to 4.5%
  • Food and beverages — Highly variable; some attract specific duties, others are subject to tariff-rate quotas
  • Chemicals and pharmaceuticals — 0% to 6.5%
  • Steel and aluminium — 0% to 25% (safeguard measures may apply)

These rates are indicative only. Always check the exact rate for your specific commodity code using the UK Trade Tariff tool on GOV.UK. If you are unsure about classification, our customs clearance team can help you identify the correct code.

The UK Global Tariff

Since leaving the European Union, the UK operates its own independent tariff regime — the UK Global Tariff (UKGT). This replaced the EU's Common External Tariff on 1 January 2021 and has been updated annually since.

Key features of the UKGT include:

  • Simplified rates — The UK eliminated many nuisance tariffs (very low rates that cost more to collect than they raise) and rounded others to simpler figures
  • Tariff suspensions — Temporary reductions or eliminations of duty on certain goods where there is insufficient UK production to meet demand
  • Free trade agreements — The UK has signed trade deals with over 70 countries, offering preferential (reduced or zero) duty rates for goods originating in those countries
  • Developing country preferences — The Developing Countries Trading Scheme (DCTS) provides reduced or zero tariffs on imports from qualifying developing nations

Understanding which trade agreements apply to your supply chain can unlock significant duty savings. For businesses importing from China, standard UKGT rates apply as there is currently no UK-China free trade agreement.

How to Reduce Your Duty Costs

There are several legitimate strategies for minimising your customs duty liability:

  • Correct classification — Ensure your goods are classified under the most accurate and favourable commodity code. Misclassification can mean overpaying duty for years.
  • Customs warehousing — Store imported goods in a customs warehouse and defer duty payment until the goods are released for sale. This improves cash flow significantly.
  • Inward Processing Relief (IPR) — If you import raw materials or components for processing and re-export, you may qualify for duty suspension or relief.
  • Tariff suspensions — Check whether your product qualifies for a temporary tariff suspension. These are reviewed regularly and can reduce duty to 0%.
  • Free trade agreements — Source from countries where the UK has a trade deal. Goods must meet rules of origin requirements and be accompanied by the correct proof of origin.
  • Valuation planning — Ensure your customs value is calculated correctly. Legitimate deductions (such as post-importation charges) should not be included in the dutiable value.

A skilled customs broker can review your import activity and identify opportunities for duty savings that you may not be aware of.

Import VAT Explained

In addition to customs duty, imports into the UK are subject to import VAT — currently 20% for standard-rated goods and 5% for reduced-rate items. Import VAT is calculated on the total of:

  • Customs value of the goods
  • Customs duty payable
  • Shipping and insurance costs (if not already included in the customs value)

VAT-registered businesses can reclaim import VAT through their VAT return. Since January 2021, most UK importers use Postponed VAT Accounting (PVA), which allows them to account for import VAT on their VAT return rather than paying it upfront at the border. This eliminates the cash-flow burden of import VAT entirely.

If you are new to importing and need help understanding your duty and tax obligations, book a consultation with our customs specialists. We can review your product range and provide a clear breakdown of all applicable charges.