Mice
House mice are active all year, nesting in warm, quiet places like lofts or cavity walls. They constantly gnaw, damaging furnishings & chewing packaging to access food. Mice are known to spread disease.
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Top Household Pests
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Unwanted guests are a headache, but pests can be much worse. They can contaminate food, damage property, and pose serious health risks to you and your family. In Ireland, from terraced homes in Dublin to rural properties in Cork and Galway, a variety of pests have adapted to thrive in our homes, seeking warmth, food, and shelter. Knowing what you're up against is the first step toward reclaiming your space. This guide from professional pest control experts provides a quick overview of the top 10 most common house pests and how our professional solutions can help you get rid of them for good.
Do you want to know which are the most common pests found around the home?
Take a look at Rentokil's list of the Top Household Pests most commonly found in properties. We provide effective solutions to eliminate pest problems within your home. Call us for advice or a quote.
When dealing with a household infestation, it is tempting to rely on supermarket sprays, traps, or home remedies. However, household pests are highly resilient, and a DIY approach rarely provides a permanent fix. Investing in professional pest control from Rentokil Ireland ensures a swift, safe, and absolute resolution to your pest problems.
The biggest flaw with over-the-counter pest products is that they usually only kill the insects or rodents you can see. For every adult flea, bed bug, or cockroach visible in your home, there are likely hundreds of hidden eggs and larvae nestled deep within carpet fibres, wall cavities, or behind skirting boards.
Professional technicians use industrial-grade growth regulators and specialised treatments that target pests at every single stage of their life cycle. By eliminating the eggs and pupae along with the adults, we break the reproductive loop entirely, ensuring the infestation cannot bounce back a few weeks later.
Different pests require completely different eradication strategies. For example, treating a German cockroach infestation requires a different approach than dealing with an Oriental cockroach, just as a mouse problem in a terraced house requires different tactics than a rat issue in a rural garage.
Rentokil technicians are professionally trained and certified. They possess deep expertise in pest biology and behaviour. We accurately identify the exact species invading your property, locate their nesting sites, and understand their habits. This allows us to apply a precise solution rather than relying on guesswork.
True pest control is not just about eliminating the current problem; it is about making sure pests can never get back inside. A critical part of a professional service is property proofing.
Our team conducts a thorough assessment of your home to identify hidden entry points such as gaps around plumbing pipes, damaged air vents, or cracks in the foundation. We provide expert recommendations and structural sealing advice to block these pathways. By fortifying your home against future invasions, we save you from the ongoing stress and expense of recurring pest issues.
Pests are more than just a nuisance; they are a direct threat to your health and property. Rodents chew through electrical wiring, creating significant fire hazards, while pests like birds, flies, and cockroaches carry harmful bacteria that can cause serious food poisoning. Furthermore, biting insects like fleas and bed bugs cause painful skin irritations and allergic reactions.
Using professional pest control minimises these health risks quickly and safely. Rentokil utilises targeted, environmentally responsible methods that are highly effective against pests while remaining completely safe for your family, your pets, and the unique Irish environment.
Don't let a pest problem get out of control. The sooner you act, the easier it is to resolve.
Whether it's mice in the kitchen, ants in the garden, or a mysterious bite from a hidden pest, Rentokil is here to help. We offer professional, discreet, and effective pest control services for all the pests on this list and many more.
Contact us today for a free quote and take the first step toward a pest-free home.
Great service. Very prompt response to our initial email. The technician came quickly and did a very thorough job. 3…
By E. Mitchell, June 2026

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Akos was very thorough & helpful. He has a lovely manner. Although only one rodent caught the proofing & discussions of…
By FD, June 2026

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I found the technician and the company very efficient and professional in their care of my home
By Helen O Brien, June 2026

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Akos was very thorough in his investigation. Delighted with advice for keeping an eye on our dog’s health. Akos has a…
By Fiodhna Ni Bhaoill, May 2026

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I have availaed of Rentokil for a number of years and at one of my main locations I have found the Rentokil lead person…
By Fran Frawley, May 2026

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As temperatures drop and weather conditions become wetter in the autumn and winter months, pests naturally migrate indoors in search of warmth, nesting materials, and reliable food sources. Rodents like mice and rats will exploit tiny structural gaps to enter wall cavities and lofts, while spiders and overwintering insects move into living spaces to escape the harsh outdoor elements.
Yes, many pests, including mice, rats, cockroaches, and flies, can carry and transmit a wide range of diseases and bacteria that can contaminate food and surfaces.
Common signs include droppings, gnaw marks, scratching noises at night, nests made of shredded material, or spotting the pests themselves.
All Rentokil treatments are administered by trained professionals who use safe and secure methods to minimise risk to your family, pets, and the environment.
Yes. Rentokil is a full-service pest control company. We can address multiple pest problems at the same time and provide integrated solutions to protect your entire property.
While over-the-counter sprays, traps, and powders can deal with individual pests that are out in the open, they rarely eliminate the root cause of an infestation. Most household pests hide their nests deep inside wall cavities, lofts, or floorboards, and insects like fleas and bed bugs lay resilient eggs that DIY products cannot kill. Rentokil’s professional pest control uses industrial-grade solutions and proofing techniques to eliminate the entire life cycle of the pest, preventing the problem from returning.