Trip charges, travel time and the response-time clause
Travel is billed in at least three different ways, often more than once for the same journey, and usually with no clause specifically authorising it.
Updated 2026-09-26 · 5 min read
Getting a technician to site costs the vendor money and it is reasonable that it appears somewhere. What is less reasonable is the same journey appearing two or three times under different names on the same invoice.
Three charges that all look like travel
A trip charge or callout fee. A flat amount for attending, regardless of distance or duration.
Travel time. The technician's hours in the vehicle, billed at an hourly rate — sometimes the full labour rate.
Mileage or a zone charge. Distance-based, or a band determined by how far the site sits from the depot.
A contract might legitimately authorise one of these. It rarely authorises all three, and where two appear together it is worth asking which clause permits each.
Silence is not permission
This is the heart of it. If the agreement never mentions a trip charge, that is a reason to question the line, not a reason to assume it is allowed. On a full-coverage plan in particular, the premium is usually stated to cover the vendor's cost of performing its obligations — and getting to site is one of those obligations.
One trip, several invoices
Where a technician attends a site and works on three units, travel was incurred once. Three invoices each carrying a trip charge is three charges for one journey. This happens most often in multi-site groups where each unit is billed to a different cost centre, so nobody sees the three invoices side by side.
The same applies to a return visit for a part. Many contracts treat diagnosis and the follow-up repair as one occurrence, which means one trip charge, not two.
The response-time clause is not a fee authorisation
A four-hour emergency response commitment is an obligation the vendor owes you. It is frequently misread — by both sides — as permission to bill an emergency callout premium. It is not. If a premium applies to expedited attendance, it needs its own clause and its own stated amount in the rate schedule.
Read the response clause carefully anyway: it often specifies who classifies a call as an emergency. Where that is the vendor, an after-hours premium becomes a charge they can trigger themselves.
Before you approve a travel line
Which clause authorises this specific charge?
Is the same journey billed more than once, under more than one name?
Were several units attended on one visit, and if so was travel apportioned or repeated?
Is this a return visit for the same fault, and does the contract treat it as one occurrence?
Is travel time billed at the labour rate, and does the contract permit that rather than a lower travel rate?