Mice & Rats | Pest Control

Mice and Rats: Identification and Advice

Mice and rats are among the most common pests that invade homes and businesses. Whilst rodents might seem small and harmless at first glance, they can cause significant problems, ranging from health risks to property damage. Effective pest control strategies are essential for keeping these rodents at bay and maintaining safe, clean environments.

Why are rats & mice considered pests?

Both mice and rats are notorious for their ability to thrive in human habitats. Their small size and agile bodies allow them to enter buildings through the smallest of gaps. Once inside, they search for food, water, and shelter, often leading to infestations if left unchecked. There are several reasons as to why mice and rats are undesirable visitors..


Health Risks: Rodents are known carriers of various diseases, some of which can be transmitted to humans. For example, rats were responsible for spreading the bubonic plague in the Middle Ages, and they can still transmit diseases like hantavirus, leptospirosis, and salmonella today. Their droppings, urine, and fur can contaminate food and water sources, posing serious health risks.


Property Damage: Mice and rats consistently gnaw to keep their ever-growing incisors under control. In some cases, this habit can lead to structural damage in homes and buildings. They often chew on wires, which can increase the risk of electrical fires. Rodents can also damage insulation, plasterboard, and furniture, leading to costly repairs.


Food Contamination: Rodents are attracted to food sources in kitchens, pantries, and storage areas. They can quickly contaminate large quantities of food with their droppings, fur, and saliva, making it unsafe for consumption. 

Identifying signs of an infestation

Identifying an infestation early on can save you time and money. Here are some common signs that mice or rats may have moved in..


Droppings: Small, dark droppings are one of the most telltale signs of rodents. Mice droppings are typically about the size of a grain of rice, while rat droppings are larger and more oval-shaped.


Gnaw Marks: Chewed wires, insulation, kickplates, and furniture can indicate rodent activity. The base of doors or walls may also be affected - fresh gnaw marks tend to be lighter in color and darken over time.


Nests: Mice and rats build nests from shredded paper, fabric, or insulation. These nests are often hidden in attics, behind walls, or in storage areas.


Noises: Rodents are typically more active at night, so if you hear scratching or scurrying in the walls or ceiling during the evening hours, it may be a sign of an infestation.


Footprints: In dusty or rarely used areas, you may find small footprints or tail swipe marks.

Prevention Methods

Reducing favourable environments and proofing vulnerabilities, reduces the requirement for pest control. Some key preventive measures include..

  • Sealing Entry Points: Inspect your property for cracks, gaps, or holes that rodents could use to gain entry. Seal even the smallest gaps around windows, doors, and pipes with rodent proof sealant or steel wool. Mice can squeeze through openings as small as 5mm.

  • Food Storage: Store food in airtight containers, and clean up food spillage from the floorspace, under units & cabinets immediately.

  • Declutter: Mice and rats favour cluttered spaces as they provide safe harbourage locations and materials for nest building. Keeping your home or business clean and organised can deter rodents from settling in.

Professional Pest Control Services

Hiring a professional pest control service is often the best solution. Pest control experts have access to stronger rodenticides, traps, and advanced methods for locating and controlling rodents. We can also offer advice on preventing future infestations.

Professional services may include:

  • Rodent Proofing: A comprehensive inspection of your property to identify and seal potential entry points. In some cases, a drain survey may also be undertaken. 

  • Bait Stations: These are tamper-resistant boxes with rodenticides tethered inside, strategically placed around the property to reduce the rodent population. Various active ingredients and formulations are available, depending on environment, species and palatability. 

  • Ongoing Monitoring: Pest King offers both residential and commercial service agreements to provide peace of mind. Regular monitoring visits are undertaken throughout the year to reduce any potential of an infestation. 

The Importance of Swift Action

One of the most important aspects of rodent control is acting quickly at the first signs of an infestation. Rodents reproduce rapidly—female mice can give birth to a litter of six to eight pups every three weeks. A small problem can escalate into a full-blown infestation in a matter of weeks, making it harder to manage and more costly to address.

Additionally, the longer rodents stay in your home or business, the greater the risk of contamination, property damage, and health concerns.


If you have the problem, we have the solution..


Mice and rats are resilient, resourceful creatures that have adapted well to living alongside humans. While they may seem small, the problems they cause are anything but. From health risks to property damage, an infestation can disrupt daily life in significant ways. However, with preventive measures, quick action, and professional pest control when necessary, these pests can be effectively managed to ensure a clean and safe environment.


Maintaining a rodent-free space can sometimes feel like an uphill battle, however, it is necessary to protect your home, business, and health. Get in touch today to arrange your FREE survey.

- Pest King

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