Pests often find the warmth, shelter and safety of a roof space very inviting. When pests in the roof go unnoticed, they can cause severe damage to property while also creating health hazards. Here are the six main roof-invading pests to be aware of.
1. Rats
Rats are particularly drawn to roof spaces, where they find warmth and safety from predators. They can chew through wood, electrical wires and insulation, which increases fire risks and damage to your property. As these pests in the roof settle in, they also leave droppings and urine, contaminating insulation and potentially spreading diseases.

2. Mice
Like rats, mice frequently invade roof spaces, particularly during cooler months. Although they’re small, mice can cause extensive damage. They gnaw through insulation, wiring and wood, and their droppings can carry diseases like hantavirus. These pests in the roof often gain entry through gaps as small as a 5p coin, making them challenging to exclude.
3. Squirrels
Squirrels love the shelter and warmth of a roof space. Once inside, they may build nests and store food. Squirrels also chew on insulation, timber and electrical wiring, which can lead to fire hazards. Unlike mice or rats, squirrels are particularly noisy and are not nocturnal, so can be quite disruptive during the day.
4. Birds
Birds, especially pigeons and starlings, commonly nest in roof spaces, eaves and lofts. Although birds might seem harmless, their droppings are highly acidic and can erode roof materials over time. Bird nests can also block ventilation, causing damp issues in roof spaces. Droppings and feathers can block gutters and can harbour parasites and pathogens, posing a health risk.

5. Wasps
Wasps often seek out roof spaces in summer to build nests. A wasp infestation in the roof can be particularly dangerous, especially as nests grow larger. Wasps can be aggressive if disturbed, posing a sting risk. Removing wasps is best handled by professionals, as attempting to remove them alone can lead to dangerous encounters.
6. Bats
Bats, though a protected species in the UK, often seek shelter in roof spaces. They usually don’t cause significant damage, but their droppings can build up over time, creating odours and potential hygiene issues. Since bats are protected, their presence must be handled by specialists who ensure they remain unharmed while addressing hygiene concerns.
Pests in the roof are something that should be dealt with as soon as possible. Here at Diamond Pest Control we can help with pests in the roof. We deal with large or small problems and pests and also advise on prevention. We work in both commercial and residential properties to keep them pest-free. Call us for assistance today!