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How Long Does Customs Clearance Take in the UK?

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When importing or exporting goods, one of the most important questions is: how long does customs clearance take in the UK? Timely clearance is essential for businesses relying on smooth logistics, consistent inventory levels, and client satisfaction. In this guide, we break down the typical timeframes, explain what impacts the duration of customs procedures, and share expert tips for avoiding delays.

Whether you’re shipping by air, sea, or road, or navigating post-Brexit regulations, this article is designed to help you understand the full customs process in the UK—and why working with a professional like OTS Broker can be a smart move.

Table of Contents

  • What Is Customs Clearance in the UK?
  • How Long Does Customs Clearance Usually Take?
  • What Affects Customs Clearance Times?
  • Air Freight vs. Sea Freight vs. Road Transport
  • How Brexit Has Changed Customs Times
  • Tips to Speed Up the Customs Clearance Process
  • Why Use a Customs Clearance Agent?
  • Contact a Customs Clearance Expert

What Is Customs Clearance in the UK?

Customs clearance is the official process by which imported or exported goods are approved by HM Revenue & Customs (HMRC) for entry or exit into the UK. It involves submitting the right documents, calculating and paying duties or VAT, and sometimes undergoing physical inspection of the goods.

Every shipment coming into or going out of the UK must be declared. For businesses, this means navigating customs declarations, tariffs, trade agreements, and possibly security checks. Failing to clear customs in time can lead to port storage fees, delivery delays, or even penalties.

How long does it take to clear customs in the UK?

Typically 1 to 3 working days, depending on the shipment type and documentation.

Can customs clearance be done in advance?

Yes, using pre-lodged declarations speeds up clearance.

What happens if my goods are held by customs?

They may be inspected or reviewed. Delays range from 1–5 days depending on the issue.

Does the UK require customs for EU goods?

Yes, after Brexit all UK-EU goods need full customs declarations.

Who handles customs clearance in the UK?

You can do it yourself or use a customs broker like OTS Broker.

customs broker

How Long Does Customs Clearance Usually Take?

So, how long does customs clearance take in the UK? The short answer is: anywhere from a few hours to several days—but let’s break it down further based on shipping method and declaration type.

Average Customs Clearance Times:

  • Air freight: often clears within 4 to 24 hours if documentation is in order.
  • Sea freight (containerized): clearance typically takes 24 to 72 hours.
  • Road freight (via Eurotunnel or ferry ports): varies widely; from same day to 48 hours depending on queue times and paperwork.
  • Express or courier shipments: often clear in under 12 hours if pre-lodged.

However, these timeframes assume:

  • All documents are accurate.
  • There are no customs inspections.
  • The goods are not flagged for additional review.

In reality, delays often arise from mistakes in declarations, peak season backlogs, or incorrect tariff codes.

What Affects Customs Clearance Times?

Several key factors influence how long customs clearance takes in the UK. Understanding them can help you prepare and act proactively:

1. Type of Goods Being Shipped

Certain products are more likely to undergo scrutiny. For example:

  • Food, alcohol, and pharmaceuticals often require additional health checks.
  • High-value electronics may be inspected for valuation accuracy.
  • Dual-use or restricted goods require special licences.

2. Accuracy of Declarations

Mistakes in customs declarations—such as incorrect commodity codes, wrong country of origin, or missing invoice values—can result in HMRC querying the shipment. These queries can add hours or even days to the clearance process.

3. Documentation Provided

Clearance is faster when:

  • The commercial invoice is precise.
  • The packing list matches declared goods.
  • Licences or certificates (if needed) are submitted in advance.

Missing documents can cause a shipment to be held at the port until resolved.

4. Mode of Transport

  • Air shipments are processed faster due to limited cargo space and express procedures.
  • Sea shipments involve multiple parties (shipping lines, port agents, customs agents) and may experience longer turnaround times.
  • Road shipments are subject to congestion at border crossings, especially between the UK and EU post-Brexit.

5. Customs Inspections

If HMRC or Border Force flags a shipment for inspection, the clearance can be delayed by 1 to 5 working days, depending on the type of check—documentary, scanning, or physical inspection.

6. Port and Seasonal Factors

Ports like Felixstowe or Dover experience seasonal congestion, especially during:

  • Black Friday/Cyber Monday
  • Pre-Christmas peak (Oct–Dec)
  • Post-Brexit adjustment periods

During these times, even properly documented shipments may take longer due to staff or system overload.

customs agency

Air Freight vs. Sea Freight vs. Road Transport

Choosing the right transport method can influence how long customs takes:

  • Air Freight: Fastest. Ideal for urgent shipments. Customs systems are typically automated and tightly integrated with carriers.
  • Sea Freight: Slower due to port handling. However, it’s cost-effective for bulk goods.
  • Road Transport: Flexible and fast within Europe, but subject to customs queues, especially at ports like Calais or Dover.

If time is a critical factor, air freight with pre-lodged customs declarations is often the best route.

How Brexit Has Changed Customs Times

Since Brexit, goods moving between the UK and EU are no longer part of the single market. That means:

  • Customs declarations are mandatory for all UK-EU shipments.
  • Rules of origin need to be proven to avoid tariffs.
  • Delays are common at UK-EU borders if paperwork is incomplete or incorrect.

This has made customs clearance for EU-bound goods longer and more complex, especially for small to medium exporters unfamiliar with the process.

Tips to Speed Up the Customs Clearance Process

Want to minimise delays? Here’s how:

  • Pre-lodge customs declarations before goods arrive.
  • ✅ Use accurate tariff codes (also known as HS codes).
  • ✅ Make sure invoices, packing lists, and licences are clear and consistent.
  • ✅ Work with an experienced customs broker.
  • ✅ Track your shipment and respond quickly to any queries.
  • ✅ Consider AEO status if you’re a frequent importer/exporter—it can speed up checks.

Remember: one small document error can delay an entire container. Double-check everything before shipping.

Why Use a Customs Clearance Agent?

A licensed customs broker like OTS Broker takes the complexity out of clearance. Here’s how they can help:

  • Submit accurate customs declarations
  • Advise on tariffs and duties
  • Handle communication with HMRC
  • Pre-lodge entries to reduce delays
  • Support with controlled goods or licences
  • Assist with audits or post-clearance reviews

They work with importers and exporters across air, sea, and road freight and understand the intricacies of UK customs procedures post-Brexit. Partnering with the right expert means fewer delays, lower risk, and more peace of mind.

Contact a Customs Clearance Expert

Need help with your customs clearance in the UK? Want to reduce clearance times and avoid costly mistakes?

👉 Get in touch with OTS Broker to receive tailored advice, customs support, and expert assistance. Whether you’re a new importer or a seasoned international trader, their team is ready to help you stay compliant and efficient.