
House mice can squeeze through gaps as small as 5mm, making them extremely difficult to exclude without professional help. They gnaw through electrical cables, insulation, and pipework — creating fire risks and structural damage. They contaminate food and surfaces with urine and droppings, posing a direct health risk to your household or business.
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A standard baiting programme typically takes two to three visits over a few weeks. The first visit establishes bait stations at key activity points; follow-up visits monitor progress and replenish as needed. Once activity has stopped, we'll confirm the infestation is cleared and advise on proofing to stop it recurring.
Mice can squeeze through a gap as small as 6mm, roughly the diameter of a pencil. Common entry points include gaps around pipework where it passes through walls, missing or cracked air bricks, damaged pointing, gaps beneath poorly fitted doors, and holes in cavity walls. Older properties in Bristol in particular tend to have multiple small access points that aren't obvious without a proper survey.
Traps and bait can reduce numbers, but they rarely eliminate an infestation on their own. The issue is that they don't address how mice are getting in. Without identifying and sealing entry points, the mice you've caught are simply replaced by others following the same routes in. Professional treatment combines baiting with a survey of access points, tackling the population and the source at the same time.
Both. Their droppings and urine can carry Salmonella and Hantavirus, contaminating surfaces and food even without direct contact. They also gnaw on electrical cables, which is a fire risk. If you are a landlord or owner of a food business, a mouse infestation carries legal obligations that go beyond the obvious hygiene concerns.
The most common signs are dark, rice-sized droppings, gnaw marks on food packaging or wooden surfaces, and scratching or scurrying sounds in walls, under floors, or in the ceiling, particularly at night. Sharp noses may also detect a faint ammonia smell. Mice are largely nocturnal, so you may hear and smell them long before you see one.
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