How to Ship from USA to UK: A 2026 Guide to VAT, Customs, and IOSS

Shipping from USA to UK looks simple on paper. You pack a box, hand it to a carrier, and it lands at a UK address a few days later. The reality since Brexit is more layered. UK VAT sits with the seller for low-value orders, HMRC wants correct HS codes on every declaration, and IOSS (which many US guides still recommend) does not apply to the UK at all. Get any of it wrong and shipments stall at the border, buyers pay unexpected fees, and refund requests pile up.

This guide walks through the rules that actually apply to US-origin shipments arriving in the UK: the 135 GBP VAT threshold, what IOSS does and does not cover, the paperwork every parcel needs, and a working fulfillment sequence you can follow order by order.

Shipping from USA to UK After Brexit: What Changed

Before January 2021, a shipment from the USA to the UK cleared the same way it would to any EU member state. UK VAT was collected at import, EU-wide VAT rules applied, and low-value consignment relief covered orders under 15 GBP.

Brexit undid all of that. As of January 1, 2021, the UK operates its own customs territory and its own VAT system for imports. Four rules changed:

• Low-value consignment relief was scrapped. Every commercial import is now subject to VAT.
• Consignments valued at 135 GBP or below are handled at the point of sale. The overseas seller registers for UK VAT, charges 20% at checkout, and remits it directly to HMRC.
• Consignments above 135 GBP are handled at the border. The importer of record pays UK VAT and duty on entry, either directly or through the carrier's brokerage.
• The UK is no longer covered by any EU-wide VAT scheme, including IOSS.

For US brands, this means one destination that was once part of an EU workflow now needs a separate UK-specific process. Sellers who kept using their old EU documentation after Brexit are the ones seeing the highest customs holds and buyer complaints.

UK Import VAT Rules for US Sellers (The 135 GBP Threshold)

The 135 GBP threshold is the single most important number for a US seller shipping to the UK. It splits every shipment into one of two lanes with completely different handling.

Order Value (Intrinsic)	Who Collects VAT	When Collected	Seller Requirement
135 GBP or below (B2C)	Overseas seller	At point of sale (checkout)	UK VAT registration + HMRC returns
Above 135 GBP (B2C)	Importer of record	On import, before release	Correct commercial invoice + duty calculation
Any value (B2B, buyer VAT-registered)	Buyer via reverse charge	On buyer's UK VAT return	Buyer VAT number on invoice

A few practical notes on the 135 GBP rule:

• The threshold is on the intrinsic value of the goods (item price only). Shipping, insurance, and any duty are not included in the calculation.
• Multiple items in one consignment are treated as one shipment. A 70 GBP shirt plus a 70 GBP pair of jeans together crosses the threshold.
• If you use an online marketplace (Amazon UK, eBay UK, Etsy UK) for the sale, the marketplace collects and remits VAT on your behalf for orders at or below 135 GBP. You do not register separately for those sales.
• Direct-to-consumer sales through your own Shopify or WooCommerce store are not covered by marketplace VAT collection. You register with HMRC and file yourself.

UK VAT registration for overseas sellers is handled through the HMRC portal on gov.uk. There is no minimum sales threshold to trigger registration when you are shipping goods already located outside the UK to UK consumers. The requirement is triggered on the first sale.

IOSS vs UK VAT: Clearing Up the Confusion

Half the guides written for US sellers between 2021 and 2024 blur IOSS and UK VAT together. They are separate systems and confusing them costs money.

IOSS (Import One-Stop Shop) is an EU scheme. It applies to consignments valued at 150 EUR or below shipped from outside the EU to buyers inside the EU 27. A registered seller collects the correct destination-country VAT at checkout and files one monthly return that covers all 27 EU markets.

UK VAT is the UK's own post-Brexit system. It applies to consignments valued at 135 GBP or below shipped to UK buyers. The seller collects 20% UK VAT at checkout and files UK returns directly with HMRC.

The two schemes do not overlap. IOSS registration does not cover UK shipments. UK VAT registration does not cover Germany, France, Spain, or any other EU market.

If your store ships to both the EU and the UK, you need both registrations. If you ship only to the UK, you only need UK VAT. If you ship only to the EU, IOSS is enough. Our team wires this correctly at the fulfillment layer through our international fulfillment services so the right VAT number appears on the right commercial invoice for the right destination.

Customs Documentation You Need for Every USA to UK Shipment

Every parcel entering the UK needs a customs declaration. Missing or incorrect paperwork is the single largest cause of shipments being held at the border.

The checklist below is what we run for every USA to UK shipment out of our fulfillment stack, including orders that come from a Shopify international fulfillment setup or a WooCommerce fulfillment for Europe workflow.

• Commercial invoice with full seller and buyer details, itemised description, quantity, unit value, currency, total value, country of origin, and Incoterms.
• HS code (10-digit UK tariff code) for every product. UK HS codes align with WCO structure but include UK-specific final digits. Look these up at gov.uk/trade-tariff.
• Country of origin stated per item. This determines duty rate and whether preferential trade agreements apply.
• Reason for export (sale, gift, sample, return). Sale is the default for eCommerce.
• Seller UK VAT number on the invoice for consignments at or below 135 GBP. This tells HMRC and the carrier that VAT was already collected.
• EORI number for the UK importer of record when the shipment is above 135 GBP and cleared at the border.
• CN22 or CN23 postal customs form if using Royal Mail via the USPS partnership. CN22 covers items up to 270 GBP; CN23 covers higher-value items.
• Weight, dimensions, and package count matching the physical shipment. Discrepancies trigger holds.

Since March 2023 all UK import declarations move through the Customs Declaration Service (CDS), which replaced the older CHIEF system. Your carrier or broker files the declaration on your behalf, but the data on the commercial invoice is what feeds it. Bad invoice data equals bad declaration data. A field-by-field customs documentation guide walks through each entry in more detail.

Duties, HS Codes, and DDP vs DAP Shipping to the UK

UK import duty is separate from VAT. Duty depends on the HS code, country of origin, and any applicable trade preference. For most consumer goods from the USA, the rate falls between 0% and 12%, though textiles, footwear, and some electronics sit at the higher end.

Two shipping terms decide who pays duty and VAT above the 135 GBP threshold:

Term	Who Pays Duty and VAT	Buyer Experience	Best For
DDP (Delivered Duty Paid)	Seller pays upfront, includes in checkout total	No surprise charges at delivery	DTC brands, subscription boxes, high-touch categories
DAP (Delivered at Place)	Buyer pays on delivery via carrier	Buyer receives a duty and VAT invoice before release	B2B, wholesale, price-sensitive product lines

For a DTC brand shipping apparel or supplements to UK consumers, DDP is almost always the better option. Buyer refusal rates on DAP shipments to the UK sit noticeably higher than on DDP, because most UK consumers are not used to paying a courier at the door for an online order. This matters most for categories with tight margins and high sensitivity to buyer friction, which is why we recommend DDP as default for apparel fulfillment for UK brands.

The HS code you assign drives both the duty rate and any import restrictions. A wrong code that lands your product in a restricted category can trigger a full inspection. Get product HS codes locked in with a customs broker before you scale UK volume rather than pulling codes from a generic online lookup.

Choosing a Carrier for USA to UK Shipments

The four practical carrier lanes from the USA to the UK are Royal Mail (via USPS International), DHL Express, FedEx International, and UPS Worldwide. Each has a different profile.

• USPS to Royal Mail is the cheapest lane and works well for lightweight, low-value parcels. Transit is 6 to 14 business days. Tracking is limited once the parcel hands over to Royal Mail. Best for standard DTC apparel and non-urgent orders.
• DHL Express Worldwide is the fastest scheduled lane, typically 2 to 4 business days door to door. Full end-to-end tracking, in-house UK customs brokerage, and reliable DDP support. Higher cost per parcel.
• FedEx International Priority runs 2 to 5 business days with strong customs handling. Comparable to DHL on many lanes.
• UPS Worldwide Expedited runs 3 to 6 business days with reliable brokerage and better rates on multi-parcel shipments.

The carrier decision usually comes down to two factors: your product's price point and your buyer's expectation. A 30 GBP apparel item does not economically support a DHL Express label. A 250 GBP electronics order does, and the faster clean clearance pays for itself in fewer support tickets.

We work with all four carriers out of our Delaware facility and route each order to the lane that fits its weight, value, and destination postcode.

Typical Transit Times and Common Delay Triggers

Once the parcel leaves our warehouse, transit to a UK address usually runs:

• Express (DHL, FedEx, UPS): 2 to 5 business days.
• Standard courier: 5 to 8 business days.
• Postal (USPS to Royal Mail): 6 to 14 business days.
• Freight (LCL sea): 25 to 45 days for bulk B2B shipments.

Delays past those ranges almost always trace back to one of five triggers:

• Missing or wrong HS code on the commercial invoice. HMRC will hold the parcel until a broker files an amendment.
• Undervalued invoice. If HMRC suspects the declared value is below the actual transaction value, they open an inspection. Never round down or exclude items to reduce duty.
• Missing UK VAT number on invoices for shipments at or below 135 GBP. Without it, the parcel is treated as unpaid VAT and held for collection.
• Restricted or prohibited goods without the right permit. Common surprises: cosmetics without CPNP notification, food supplements without correct ingredient declarations, electronics without UKCA or CE marks.
• Undeliverable address or missing phone number for the recipient. UK postcodes are precise; a wrong postcode routes the parcel to the wrong depot.

A Simple Fulfillment Workflow for USA to UK Orders

The workflow we run for USA to UK orders looks like this:

1. Order lands in the store (Shopify, WooCommerce, marketplace) and syncs to our WMS with destination country, order value, and buyer VAT status.
2. VAT logic applies automatically. Orders at or below 135 GBP pull the seller's UK VAT number onto the commercial invoice. Orders above 135 GBP route to DDP calculation or DAP based on the seller's default.
3. Pick and pack in our warehouse with product-specific HS codes pre-mapped in the WMS. No manual lookup at the packing station.
4. Commercial invoice and customs declaration print at pack-out, with all required fields populated from the order and product record.
5. Carrier label prints based on service level rules (express for orders above a threshold, standard for the rest).
6. Shipment hands off to the carrier the same day for orders received before cut-off.
7. Tracking syncs back to the store and to the buyer's email, with a UK-specific ETA message.

This flow works because the data lives in the product and order records, not in a human's head at the packing bench. Every order gets the right paperwork the first time.

FAQ

Getting USA to UK Shipping Right the First Time

Shipping from USA to UK is not complicated once the systems are set up correctly. The 135 GBP VAT threshold decides how VAT is collected. IOSS does not apply. Every parcel needs an accurate HS code, a complete commercial invoice, and a carrier lane that fits the order value. Get those four pieces right and shipments clear cleanly, buyers stay happy, and support tickets stay low. For a wider view across every destination, see our complete international shipping guide.

If you want a fulfillment partner that already runs this workflow for other US brands shipping to the UK, talk to our team.