Mould Removal in Dún Laoghaire

Dún Laoghaire has some of the oldest housing in the county: Victorian and Edwardian terraces with solid walls, big period houses split into flats, and garden-level and basement units with little daylight and less airflow. Those are exactly the homes where condensation mould keeps coming back after cleaning. We remove the mould and fix the moisture problem behind it, across Dún Laoghaire, Monkstown, Glenageary, Sandycove and Blackrock. Mould removal from €350 with a 1 year warranty when the full recommended scope is completed.

The work is led by Lénárd Nagy, who holds the Advanced Mould Remediation Certification from Dewpoint Professional and the NZEB Ventilation Certification.

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Why mould is so common in Dún Laoghaire homes

Three local patterns account for most of the calls we get from the A96 area. First, solid brick or stone walls with no cavity: they stay colder than the air in the room, so moisture from cooking, showers and breathing condenses on them, especially in corners, behind wardrobes and on the window reveals of north facing rooms. Second, retrofits done in the wrong order: new sealed windows and draught proofing in a house that was designed to breathe, with no ventilation put in to replace the draughts. Third, flats and bedsits carved out of larger houses, where a bathroom or kitchen has no window and the extractor, if there is one, vents into a void or does not pull at all. Sea air does not cause mould by itself, but a damp, cool climate means walls dry out slowly once they are wet, so the fix has to be about moving air, not just wiping surfaces.

Hire Us for a Healthier

Home in 3 Easy Steps

Ensure a cleaner and healthier environment in your home with our specialised services. Here’s how you can connect with us:

Schedule a Consultation

Contact us to arrange a convenient time for your initial consultation.

Receive a Custom Assessment

Our skilled team will thoroughly evaluate your space to identify the best solutions tailored to your needs.

Enjoy the Benefits

Experience the improved comfort and health benefits of a well-maintained home environment.

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What mould removal costs in Dún Laoghaire

Mould removal starts from €350. The final price depends on how many rooms are affected, how far the growth has gone into plaster, sealant or fittings, and what is needed to stop it returning, usually a working extractor fan or a ventilation unit. Send a photo of the worst wall or ceiling with your Eircode through the form and we email a preliminary quote within 24 hours; no visit is needed to get started. We give a 1 year warranty on the remediation work when the full recommended scope is completed. Prices, process and the warranty terms are the same as on our Dublin mould removal page.

How We Can Help

What We Can Offer You

Discover a wide range of specialised services tailored to enhance your home's comfort and safety. Our expert team is dedicated to delivering high-quality solutions that meet your specific needs.

Heat Recovery Ventilation System Installation

Experience enhanced indoor air quality with our expert heat recovery ventilation system installations. Our systems are designed to provide efficient energy use and a comfortable home environment.

Bathroom Extractor Fan Installation

Prevent moisture damage and control humidity effectively with our professional bathroom extractor fan installation service. Enjoy a fresher, cleaner bathroom atmosphere with optimal airflow.

Home Ventilation System

Ensure your home breathes as well as you do with our comprehensive home ventilation systems. We offer customised solutions that suit your specific needs for a healthier living space.

Anti-Mould Paint Services

VentSolve offers expert anti mould paint services that stop mould at the source and prevent future growth. Keep your home safe, healthy, and mould-free with our durable solutions. 

Mould Removal

Get rid of harmful mould with our professional mould removal services. We use safe, effective techniques to ensure your environment is healthy and mould-free.

How we remove mould in a period house or a flat

Every job follows the same five steps: a survey with moisture readings and thermal imaging to find the cold and damp spots that feed the growth; finding the cause, which in most homes is moisture that never leaves rather than a leak; treating and cleaning the affected surfaces and replacing what cannot be saved, such as mouldy silicone; fixing the cause with a correctly sized extractor fan, a single room heat recovery unit or whole house ventilation; and, where it helps, anti mould paint on the treated surfaces.

In older houses we work around original plaster, cornices and timber: the extract route is planned with you before anything is drilled, and we show you where the duct or through wall unit will go. In flats we check the building ventilation first, because a shared stack or a blocked trickle vent can be the real cause.

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Steps We Take to

Landlords, tenants and the rest of the south coast

A large share of Dún Laoghaire homes are rented. Under Irish rental standards a landlord has to deal with damp and mould and provide adequate ventilation, and a written report that names the cause is worth more than a painted over ceiling. We survey, remediate and document the work for landlords, letting agents and management companies, and we explain to tenants what they can change day to day. A written report from our mould survey names the cause and the fix.

We cover the whole south coast from Blackrock to Killiney, including Monkstown, Glenageary, Sandycove, Glasthule, Deansgrange and Dalkey. For the full Dublin service, prices and the warranty terms, see mould removal in Dublin.

We’re on call to react promptly to your ventilation needs. Get a free quote today!

FAQs

Frequently Asked Questions

How much does mould removal cost in Dún Laoghaire?

From €350, depending on the number of rooms and how far the mould has gone into the plaster or sealant. Send a photo with your Eircode and we email a preliminary quote within 24 hours.

Does mould come back in old solid wall houses?

Only if the cause is left alone. Solid walls stay cold, so the moisture in the air has to be extracted where it is made: bathroom, kitchen and drying areas. With the right extraction and treated surfaces the growth does not return, and the work carries a 1 year warranty when the full scope is completed.

Do you work in flats and apartments?

Yes. We check the shared ventilation first, then the individual unit. Where a fan vents into a void or a trickle vent is painted shut, that is usually the whole story.

I am renting in Dún Laoghaire. Who should call you?

Either side can. Tenants get a clear explanation of the cause; landlords get the remediation, the ventilation fix and a written record of the work.

Can you work in a protected structure?

Yes, with the owner responsible for any consents that the building needs. Our part is to plan an extract route that does not touch original features and to show you the plan before we drill.

Which areas around Dún Laoghaire do you cover?

All of them: Monkstown, Blackrock, Glenageary, Sandycove, Glasthule, Deansgrange, Dalkey and Killiney, and the rest of Dublin from our base in Dublin 15.

Get a Free Mould Removal Quote

Send a photo of the worst wall, ceiling or window with your Eircode through the form below and we will email you a free preliminary quote within 24 hours. If it is urgent, call us on (01) 685 6363.

Get a Free Quote

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Get a Free Quote

Fill out the form below and receive a quote within 24 hours.

Get a Free Mould and Condensation Quote

Find out what’s causing mould in your home and what solution you actually need.

Call (01) 685 6363