Can this motorhome weight checker give a legal decision?

No. It is a practical guide only. The legal position depends on the vehicle plate, V5C details, your driving licence categories and any trailer or use-case rules.

What weight normally triggers C1 for a motorhome?

If the motorhome has a maximum authorised mass above 3,500kg and up to 7,500kg, C1 is commonly the category to check.

What if my motorhome is over 7.5 tonnes?

A vehicle above the C1 range may require a different goods-vehicle category. Check official GOV.UK/DVLA guidance before driving.

Interactive C1 tool

Motorhome Weight Checker

Enter the plated weight or maximum authorised mass of your motorhome to see whether C1 is likely to be relevant.

Motorhomes over 3,500kg
C1 guidance
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