Why Courier Companies Use Fuel Surcharges

If you’ve noticed a fuel surcharge appearing on courier quotes, you’re not alone. Across the logistics industry, fuel surcharges have become a standard way to keep pricing fair and transparent as diesel prices continue to fluctuate.

In this article, we’ll explain why fuel surcharges exist, how they work, and exactly how ours is calculated.

Why fuel surcharges are necessary

Fuel is one of the largest and most unpredictable costs in transport.

Unlike wages or insurance, fuel prices can:

• Change weekly (sometimes daily)
• Increase significantly over short periods
• Vary due to global markets and external factors

Without a fuel surcharge, courier companies would have to:

• Constantly adjust base pricing, or
• Build in large buffers to protect against price increases

Neither option is ideal.

A fuel surcharge solves this by:

• Keeping base rates stable
• Adjusting only the fuel-related portion of the cost
• Ensuring fairness for both customers and drivers

How fuel surcharges work

A fuel surcharge is a small, variable percentage added to the transport cost, based on the current price of diesel.

As fuel prices rise, the surcharge increases.
As fuel prices fall, the surcharge reduces.

This creates a direct and transparent link between:

• The cost of fuel
• The price you pay

How our fuel surcharge is calculated

We use a clear, structured approach so that pricing remains consistent and easy to understand.

1. A defined baseline

Our base rates are set assuming a diesel price of £1.45 per litre.

• At or below this level → No surcharge applies
• Above this level → The surcharge begins

2. Fixed incremental increases

For every £0.05 increase in diesel, the surcharge increases by 1.4%.

This ensures the surcharge closely reflects the actual increase in fuel costs.

3. Banded pricing structure

Rather than changing constantly, fuel prices are grouped into simple bands.

For example:

• £1.45–£1.49 → 1.4%
• £1.50–£1.54 → 2.8%
• £1.55–£1.59 → 4.2%

This keeps pricing:

• Predictable
• Easy to follow
• Simple to apply

You can view the full table on our Fuel Surcharge page.

4. Monthly updates using official data

To ensure accuracy and consistency:

• We use the UK Government’s weekly road fuel price data
• The latest available figure at the end of each month is used
• The surcharge is then fixed for the following month

This avoids constant fluctuations and gives customers price stability.

No hidden or retrospective charges

Transparency is a key part of our approach.

• The fuel surcharge is included at the time of quotation
• It is clearly shown as a separate line item
• It is not added after the job is completed

This means:

• No surprises
• No unexpected invoice changes
• Full clarity before booking

How this benefits you

While a surcharge may seem like an added cost, it actually improves pricing fairness.

More stable base rates

You’re not paying inflated prices to cover future fuel increases.

Transparent pricing

You can clearly see how fuel impacts your costs.

Fair and sustainable service

Drivers are properly supported when fuel prices rise, helping maintain service quality and reliability.

A fair and balanced approach

Our fuel surcharge is designed to be:

• Proportionate – it reflects actual fuel cost changes
• Transparent – clearly shown and explained
• Consistent – applied using a structured system
• Fair – balanced between customers, drivers, and the business

Learn more

For a full breakdown of the current surcharge rates, visit our Fuel Surcharge page.

If you have any questions about how this applies to your deliveries, our team is always happy to help.