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Rodents Are Driving Up Fleet Insurance Costs — What You Need to Know

  • Writer: Broadsure Direct
    Broadsure Direct
  • Dec 10, 2025
  • 1 min read

Updated: Dec 17, 2025


Two brown rats on a car engine, exploring wires and components. The setting is dark with visible pipes and cables. Mood is curious.

The insurance industry is sounding the alarm over a significant surge in claims related to rodent damage, a trend that is driving up both the frequency and cost of repairs for motorists.


The mischievous critters are causing costly damage to vehicles, frequently chewing wiring and cabling affecting various components. They also build nests in engine bays, behind airbags and gnaw on interior parts like seats and carpets. Fuel and water leaks can occur if pipes are affected, with Aviva reporting an instance where a single vehicle sustained over £24,000 of damage.


While many are aware of rodent damage to property, the risk to vehicles is often underestimated as rats and mice seek warm places in winter and can enter through small gaps.


The problem appears to be getting worse, particularly during the colder months when rodents look for warmth and shelter in engine compartments and vehicle interiors.


Insurers and experts advise drivers to take steps to prevent rodent damage.

  • Remove any food from vehicles.

  • Store food in garages in airtight containers.

  • Check for signs of rodents if a car has been parked for a while.

  • Park in secure garages if possible.


If you see the signs of rodent damage to a vehicle you should contact a mechanic or insurer as soon as possible.

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