Avoiding Demurrage and Detention Fees

International ocean freight offers one of the most cost-effective ways to transport goods across borders, but unexpected fees can quickly increase your shipping expenses. Among the most common and costly charges are demurrage and detention fees.

Many importers only discover these charges after their cargo arrives at the port, often turning what seemed like an affordable shipment into an expensive one. Understanding how these fees work and more importantly, how to avoid them can save your business significant time and money.

What is Demurrage?

Demurrage is a fee charged when your cargo remains inside a shipping container at the port terminal longer than the free storage period allowed by the shipping line.

Most ports provide between 3 and 5 free days for importers to complete customs clearance and collect their cargo. Once that period expires, daily demurrage charges begin to accumulate.

These fees compensate the port terminal for occupying valuable storage space.

What is Detention?

Detention fees apply after you've collected the container from the port.

Shipping companies allow customers a limited amount of time typically 5 to 7 days to unload the cargo and return the empty container.

If the container is returned late, detention charges are applied for every additional day.

Unlike demurrage, detention relates to the use of the shipping company's equipment rather than storage at the port.

Why These Charges Matter

Demurrage and detention fees increase every day the shipment remains delayed.

Depending on the shipping line and destination port, charges may range from £75 to £225 per container per day, and they can quickly exceed the original freight cost if not managed properly.

These unnecessary expenses can significantly reduce your profit margins, especially for businesses importing regularly.

Five Ways to Avoid Demurrage and Detention Fees

1. Prepare Customs Documentation Early

Ensure all invoices, packing lists, import permits, and customs documents are complete before your cargo arrives.

Having accurate paperwork ready allows customs clearance to begin immediately.

2. Work with an Experienced Logistics Partner

Freight forwarders and customs brokers help coordinate documentation, customs clearance, and cargo collection.

Professional assistance reduces delays caused by paperwork errors or missing information.

3. Arrange Transport Before Arrival

Don't wait until the vessel reaches port before booking trucks or warehouse space.

Scheduling transportation in advance ensures cargo can be collected as soon as customs releases it.

4. Monitor Shipment Progress

Track your shipment throughout its journey.

Knowing the estimated arrival date allows you to prepare customs documents, organise transportation, and notify your warehouse ahead of time.

Many shipping companies provide online tracking that helps importers stay informed.

5. Consider Consolidated Shipping

If you're importing smaller quantities of goods, using a Container Freight Station (CFS) or package consolidation service can reduce storage pressures and extend available handling time.

Consolidation also simplifies customs procedures by combining multiple purchases into a single shipment.

Common Mistakes That Lead to Extra Fees

Many demurrage and detention charges are entirely avoidable.

Common mistakes include:

• Waiting until cargo arrives before preparing customs documents.

• Delaying payment of customs duties.

• Booking transport too late.

• Failing to monitor vessel arrival dates.

• Returning empty containers after the allowed period.

• Miscommunication between suppliers, freight forwarders, and importers.

Avoiding these issues helps ensure your shipment moves efficiently from port to destination.

How Kassongo Express Helps

At Kassongo Express, we help customers minimise unnecessary shipping costs through proactive logistics planning.

Our team assists with customs documentation, shipment tracking, cargo consolidation, and coordination with carriers to reduce delays that could result in demurrage or detention charges.

Whether you're importing a single container or managing regular shipments, our logistics specialists work to keep your cargo moving efficiently.

Final Thoughts

Demurrage and detention fees are avoidable costs that often result from poor planning rather than unavoidable circumstances.

By preparing documentation early, tracking shipments closely, arranging transport in advance, and working with experienced logistics professionals, businesses can significantly reduce these expenses and improve the efficiency of their international supply chain.

Taking a proactive approach today can save hundreds or even thousands in unnecessary shipping charges tomorrow.

Call to Action

Need help avoiding costly port charges? Contact Kassongo Express today and let our logistics experts coordinate your shipment from origin to destination while helping you reduce unnecessary fees.