Signs of Mice

Call for a Quote: 0800 211 8868

Signs of Mice

Discovering evidence of mice in your home or workplace can be subtle yet significant, indicating an urgent need for intervention. Mice, while small, can have a considerable impact on health and safety. Recognizing the signs of their presence is critical for timely action. Here’s what to look out for:


Spotting Dropping

Mouse excrete 10 to 40 droppings each night. These droppings are small, dark, and resemble grains of rice. You’re likely to find them along walls, in cupboards, or near food sources.


Visible Grease Marks

As mice navigate your property, they leave grease marks from their fur along walls and baseboards. These marks are often found near entry points and can indicate frequent mouse activity.


Signs of Nesting

Mice use shredded paper, fabric, and other materials to construct their nests. Common locations include secluded spots like attics, behind appliances, or within wall voids.


Unusual Noises

Scratching sounds within walls or ceilings, particularly at night, are common indicators of mice. These sounds may suggest mice are moving, nesting, or gnawing.


Evidence of Gnawing

Mice need to gnaw to keep their teeth sharp and short. Look for chewed wires, furniture edges, or food packaging as signs of their presence.


Ammonia-like Odor

A strong, stale smell similar to ammonia can indicate mice urine, which becomes more pronounced near their frequent hiding spots or nests.


Spotting live or dead mouse

Spotting a mouse during the daytime can be an indication of a heavy infestation.





Mouse Tracks

In seldom-used areas of your property, mouse footprints or tail marks in dust can reveal activity. Sprinkling flour or talcum powder can help confirm suspicions of current infestations.

Observing any of these signs suggests the need for immediate action to prevent health risks and property damage. Early detection and professional pest control intervention are key to effectively managing and eliminating mice infestations.

Inspecting Your Property for Mice

Mice, with their remarkable agility and curiosity, are adept at exploiting even the smallest openings to infiltrate homes and businesses. Their capacity to compress their skeletons allows them to access seemingly impenetrable spaces. A thorough examination of your property, from top to bottom and inside out, is essential in detecting signs of mice and the damage they inflict. Here’s a guide to systematically search for mice within your premises:

Lofts and Attic Spaces

Mice are known to seek the warmth and seclusion of lofts and attic eaves. Look for evidence such as shredded insulation, paper, or fabric, which they use for nesting. Additionally, be vigilant for mouse droppings and the distinct, strong odor of ammonia, particularly noticeable in confined areas like attics.

Kitchen and Utility Areas

The kitchen, with its abundance of hiding spots and food sources, is a prime target for mice. Inspect behind all appliances, where mice can squeeze into the smallest gaps. Areas around pipework and cables that penetrate walls are potential entry points. Don't overlook the spaces behind refrigerators, freezers, and laundry appliances.

Basements and Cellars

While often associated with spiders, basements and cellars can also harbor mice. Examine air bricks, vents, and any areas of structural damage that might provide access to these lower levels of your property.

Cavity Walls and Concealed Spaces

Mice utilize hidden spaces such as cavity walls, suspended ceilings, crawl spaces, as well as understair and airing cupboards for shelter. These areas offer mice a secure environment that remains undisturbed and unnoticed for long periods.

In conducting a thorough search for mice, it’s crucial to consider all potential harborage sites within and around your property. Identifying and addressing these risks early can significantly reduce the likelihood of infestation and the associated damage. For comprehensive solutions and expert advice on securing your property against mice, professional pest control services offer targeted strategies tailored to your specific needs.

Identifying Mice Hotspots Around Your Property

While the interior of your property is a critical area to monitor for mice infestations, it’s equally important to scrutinize the exterior. Mice, seeking shelter and sustenance, can find numerous opportunities around the outside of your home or business before making their way indoors. Here’s how to smartly inspect the periphery of your property for signs of mice:

Landscaping and Garden Areas

Dense vegetation, garden debris, and compost heaps can provide ideal nesting sites for mice. Regularly trim bushes, clear away clutter, and monitor compost bins for signs of mice activity.

Garbage and Recycling Bins

Ensure that outdoor garbage and recycling bins are securely closed. Mice are attracted to food scraps and can easily climb into unsecured bins. Consider using bins with tight-fitting or lockable lids to deter access.

Entry Points and Foundations

Examine the foundation of your property for cracks or gaps that mice could use as entry points. Pay special attention to areas where utilities and pipes enter the building, as these can provide easy access for mice.

Outdoor Structures

Sheds, garages, and other outdoor buildings can offer shelter to mice. Check these structures for entry points, and store items off the ground when possible to reduce hiding spots.

Drainage Systems

Inspect drains and sewer access points, as these can serve as entryways for mice into your property. Ensure that all drain covers are intact and securely in place.

Contact Us


Reach out to us, and we’ll ensure a local specialist gets back to you.


A conversation about your pest concerns will be initiated, followed by an arranged evaluation if needed. We’ll offer a quotation and suggestions based on the findings.


Our BPCA certified expert will visit your property to conduct pest control treatments.


We are committed to ensuring your issue is fully resolved, with as many visits as necessary.

Frequently Asked Questions on Mice Control in London

Generally, landlords are responsible for ensuring their properties are pest-free and habitable at the start of a tenancy. However, tenants must maintain cleanliness to prevent infestations. If an infestation occurs due to structural issues, it’s usually the landlord’s responsibility to address it.

Report the issue to your building management or maintenance team immediately. In work environments, it’s typically the employer’s responsibility to ensure a safe, pest-free workplace.

Property owners must comply with the Prevention of Damage by Pests Act 1949, ensuring their properties are free from pests that could harm human health or food safety.

Yes, colder months often see an increase in indoor infestations as mice seek warmth and shelter. Seasonal proofing of properties can help mitigate this risk.