What can void motorhome insurance?

What Can Void Motorhome Insurance: Important Advice for Motorhome Owners



Owning a motorhome offers the freedom of the open road and the comfort of home. But keeping your insurance valid is just as important as maintaining the vehicle itself. At Happy Camper, we want to help you avoid the common pitfalls that could void your motorhome insurance policy. Below, we cover key risks such as missed MOTs, security lapses, and unauthorised modifications that could leave you unprotected.





Missing MOT or Service Intervals



Unlike caravans, motorhomes are classified as road vehicles and must have a valid MOT and regular servicing to remain roadworthy. Ignoring this can result in your insurance being declared invalid. Key checks include:


  • Braking system: Ensuring the brakes respond properly and meet DVSA standards.

  • Emissions: Meeting legal emissions limits is a requirement for insurance and tax purposes.

  • Chassis and suspension: Undetected corrosion or faults could cause dangerous failures on the road.



Most insurers will not pay out in the event of an accident if your MOT is expired. To book a motorhome MOT or service with us, call us today on 0300 124 6982.



Not Declaring Modifications



Making changes to your motorhome—whether for comfort or performance—without informing your insurer can void your policy. This includes:


  • Engine tuning or remapping: Any performance enhancements should be disclosed.

  • Interior layout changes: Removing or adding furniture or fixtures can affect fire safety and weight balance.

  • Solar panel installations: These can impact electrics and vehicle value.



Happy Camper can help with compliant modifications and inspections. Call us if you’re unsure what needs to be declared.



Security Oversights



Motorhomes are high-value targets for theft. Not having adequate security may not only increase your premium but could also void your insurance. Key security steps include:


  • Tracker systems: Many insurers require a Thatcham-approved tracker to be fitted.

  • Deadlocks and alarms: Standard factory security is often not enough.

  • Secure parking: When not in use, parking your motorhome in a locked compound or behind a security gate can reduce risk.



You can buy motorhome security devices online from our security shop here or visit us in store for advice.



Living in Your Motorhome Full Time (Undeclared)



Many policies are designed for leisure use only. If you live in your motorhome full-time and don’t declare this to your insurer, your cover may be invalid. Be honest about:


  • Usage frequency: Whether you use it for holidays or as your main residence.

  • Registered address: Insurers often require a permanent UK address, even if the motorhome is your home.



If in doubt, speak to a specialist insurer about full-time motorhome cover. This avoids nasty surprises when making a claim.



Neglecting General Maintenance



Just like any vehicle, poor upkeep can lead to mechanical faults that may invalidate a claim. Important maintenance tasks include:


  • Oil and fluid levels: Regularly check and top up engine oil, coolant, and brake fluid.

  • Tyre safety: Tyres should be inspected for wear, pressure, and age before every long trip.

  • Battery checks: Leisure and vehicle batteries both require testing and occasional replacement.



We offer full motorhome servicing, repairs and mobile inspections across the North West and North Wales. Book your next check-up with Happy Camper today.