Don't let damp compromise your home’s integrity

Damp Proofing in Derry

Covering the Northcoast including LondonDerry/Derry, Coleraine, Limavady & Surrounding Areas

07835 023174
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North Coast Damp Proofing Limited · Company No. NI742101 · 10 year guarantees on specialist treatments (T&Cs apply) · 15+ years serving the North Coast

Damp proofing london derry
About Company

Damp Proofing Services in Northern Ireland & Donegal

At North Coast Damp Proofing Limited (NCDP), we specialize in providing high-quality damp proofing solutions across Northern Ireland and Donegal. Whether you're dealing with rising damp, rain penetration, or moisture buildup, our expert team has the experience and tools to protect your home. We use the latest in damp-proofing technology and premium European-grade chemicals.

Why Choose NCDP for Damp Proofing?

  • Comprehensive Expertise: We tackle all types of damp issues, from rising damp to wall moisture control.
  • Guaranteed Results: We offer 10 year guarantees on our specialist treatments. (terms and conditions apply).
  • Certified Professionals: All our staff are fully trained and certified to apply damp-proofing treatments safely and effectively.
  • Surveys & Competitive Prices: We offer surveys and provide personalized quotes without hidden costs or unnecessary upsells.
07835 023174
Derry

Damp Proofing in Derry

Damp proofing in Derry needs to account for the mix of building ages found across the city. Solid wall Victorian and Edwardian terraces around the centre and Bogside were built without a damp proof course, so rising damp is common where ground levels have crept up against the wall. Later cavity wall properties from the interwar and post war period, and the 1960s and 70s estates further out, bring their own penetrating damp issues, often linked to failed pointing, blocked cavities or ineffective render.

North Coast Damp Proofing Limited surveys the property first to establish what type of damp is present, before recommending a chemical injection damp proof course, tanking, or remedial work to renders and guttering. Based just across the Foyle in Clooney, we see the effects of the area's wind driven rain regularly, and specialist damp proofing work is backed by a 10 year guarantee, terms and conditions apply.

15+

Years In Business

1.5k

Happy Clients

2.5k

Projects Completed

10+

Trained Staff

Our Services

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Damp Proofing Service

What is Damp Proofing?

Damp proofing is essential to protect your home from moisture rising through the walls, causing damage, mold growth, and structural issues. Our specialist treatments prevent and solve rising damp and other moisture-related problems.

  • Initial Survey - We begin with a survey of your property to assess the extent of damp issues.
  • Customized Treatment Plan – Based on our findings, we’ll create a tailored treatment plan to address the specific needs of your home.
  • Expert Application – Our certified professionals use the highest quality damp proofing chemicals, ensuring a thorough and lasting solution.
  • Guarantee – Most of our work comes with a guarantee, so you can rest easy knowing your home is protected.
07835 023174
Why Choose Us

Six Reasons For People Choosing Us

High-Quality Materials

We use premium European-grade chemicals, ensuring effective, long-lasting results that meet the highest standards.

Specialist Expertise

We offer tailored solutions for rising damp, condensation control, rain penetration, and more, ensuring the right treatment for every issue.

Certified Professionals

Our fully trained and certified staff deliver expert service, ensuring the highest quality workmanship for your home.

Competitive Pricing

We provide transparent quotes with no hidden fees, offering high-quality service at a price that competes with larger companies.

Surveys

We offer a in-depth survey to assess the extent of the problem and provide a clear treatment plan. We also carry out Damp and Timber surveys for property sales

Guaranteed Results

We offer 10 year guarantees on our specialist treatments. (terms and conditions apply).

We Are Business Who Cares, And it Shows

Customers love our work and so will you

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What Our Customers Say

Rated 5 out of 5
Jonathon Adams

Would highly recommend North Coast Damp Proofing. From first contacting Steven, he had our report and work completed, and certificates issued within a few days.

Rated 5 out of 5
Denise Marshall

North Coast Damp Proofing are efficient and reliable they did a damp proof course for me
and did an amazing job and came back to make sure everything was ok nothing was to much.
Thank you Stephen for everything you did I would definitely recommend you, “and the craic was good”

Rated 5 out of 5
Debra Mcnerlin
Great service, no mess and no fuss. Steve explained the cause of the problem, what I could do to keep it from ever coming back and he advised on proper ventilation and care of such. Highly recommend.
Frequently Asked Questions

Damp Proofing in Derry: Your Questions Answered

How do I know if my Derry property has rising damp or penetrating damp?
Rising damp usually shows as a tide mark low on internal walls and tends to affect solid wall properties without a working damp proof course, while penetrating damp can appear at any height and often follows a specific fault like a cracked render or leaking gutter. A proper survey will identify which one you are dealing with, since the treatment is different for each.
Are Victorian terraces near the city centre more prone to damp?
Many of these solid wall properties were built without a damp proof course as standard, so rising damp is more common than in newer cavity wall homes. Age on its own is not the only factor though, ground levels, render condition and ventilation all play a part.
What does a chemical damp proof course injection involve?
A silicone based cream or fluid is injected into holes drilled along the base of the affected wall to form a new damp proof barrier. It is a well established method for solid wall properties and typically causes minimal disruption compared to more invasive options.
Can damp proofing fix damp in a 1960s or 70s Waterside house?
If the damp is penetrating rather than rising, the answer usually lies in the cavity wall itself, such as debris in the cavity, wall tie corrosion or a failed cavity tray, rather than a damp proof course injection. We survey the property to establish the actual cause before recommending treatment.
How long does damp proofing work usually take?
A straightforward chemical injection to a single wall can often be completed within a day, though larger properties or those needing replastering afterwards will take longer. We set out realistic timescales in the written quote.
Do I need to replaster after damp proofing treatment?
In most cases affected plaster needs to be removed and replaced with a suitable render or plaster system, since old plaster can hold salts drawn up by the damp. We will explain what is needed for your specific property as part of the survey.
Does Derry's weather make damp proofing more important than elsewhere?
The north west coast sees a good deal of wind driven rain off the Atlantic and the Foyle valley, which puts real pressure on external walls, renders and pointing. Regular maintenance combined with proper damp proofing where needed helps properties cope with that exposure.
Will damp proofing stop condensation problems too?
No, condensation is caused by moisture in the air meeting cold surfaces and is tackled through ventilation and heating rather than a damp proof course. We will tell you plainly if what you are dealing with is condensation rather than rising or penetrating damp, so you are not paying for the wrong treatment.
Is damp proofing guaranteed on Derry properties?
Yes, our specialist damp proofing treatments carry a 10 year guarantee, terms and conditions apply, and we will confirm exactly what that covers before work begins. It is worth keeping the paperwork safe in case you need it for a future sale.
Can you damp proof a property that is still occupied?
Yes, most damp proofing work can be carried out while you continue living in the property, though we will let you know in advance which rooms will be affected and for how long. We try to keep disruption to a minimum throughout.
for a survey and expert damp-proofing solutions across Northern Ireland and Donegal

Contact North Coast Damp Proofing Limited today

Our Location

Covering Londonderry, Donegal and Northern Ireland

28 Rossdowney Gardens , Londonderry County Borough, United Kingdom

Phone: 07835 023174

Email: Info@northcoastdampproofing.com

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North Coast Damp Proofing Limited · Company No. NI742101 · 10 year guarantees on specialist treatments (T&Cs apply) · 15+ years serving the North Coast

07835 023174
07835 023174