top of page
Peeling paint and damp stains on internal wall surface requiring damp proofing treatment

Damp proofers across Durham with 30+ years' experience

Family-run values. Free damp surveys. Honest local advice.

Call now for your free survey

How working with us usually goes

Call us and tell us what's happening

You tell us what you've noticed, from mould spots to crumbling plaster. We listen, ask the right questions, and arrange a suitable time to inspect the property.

We survey the problem properly

We visit, assess the signs, and work out what is causing the moisture issue. You get honest feedback and a free quotation based on what your property actually needs.

We carry out the right solution

Once you're happy to go ahead, we complete the work with care and clear communication. You get a property that feels drier, sounder, and far less stressful to live or work in.

What we offer

Close up of damp affected wall showing peeling paint flaking plaster and moisture damage
Damp proofing services

We find the cause of damp, not just the stain on the wall. Where rising damp is confirmed, we can install a chemical damp-proof course and complete the necessary preparation.

Tide marks salt deposits and damaged plaster on interior wall caused by rising damp
Rising damp treatment

Tide marks, peeling wallpaper and damaged plaster rarely fix themselves. We diagnose rising moisture properly and install the appropriate damp-proof course solution.

Tide marks salt deposits and damaged plaster on interior wall caused by rising damp
Condensation control services

Persistent moisture and mould can make rooms feel cold and tired. We assess airflow and moisture, then recommend practical measures to help your home stay drier. 

painted houses
Exterior protection

Masonry waterproofing treatments and flexible exterior coatings help shield brick, render and other external surfaces from weather exposure, penetrating damp and deterioration. 

Mature male peering inside an upper wall white grid air duct on a silver wall near a white
Ventilation

From PIV systems and loft ventilation to extractor fans and trickle vents, we recommend and install ventilation designed around your property's airflow and moisture problems. 

Industrial positive input ventilation system equipment and pipework installed in UK property
PIV systems

Positive Input Ventilation (PIV) systems improve indoor air quality by introducing filtered fresh air into the property, helping reduce condensation, moisture and airborne pollutants.

Metal ductwork ventilation pipe system installed along ceiling structure in loft space UK
Loft ventilation

Loft ventilation helps maintain airflow through roof spaces, reducing excess moisture and condensation while supporting a healthier, drier environment and helping protect insulation and roof structures.

Two round electric wall extractor fan units for ventilation and moisture control UK
Extractor fans

Extractor fans remove excess moisture, steam and odours from kitchens, bathrooms and utility areas, helping to improve ventilation and reduce condensation that can contribute to damp and mould.

Window frame trickle vent and floor ventilation grate installed for property airflow UK
Trickle vents

Trickle vents provide controlled background ventilation through windows and doors, allowing fresh air to circulate while helping reduce condensation, stale air and excess indoor moisture.

Exterior view of house entrance showing paved steps handrail and sweeping broom

A straightforward way to deal with damp

Damp has a habit of starting small and turning into a proper headache before you know it. At Northeast Damp and Ventilation, we've spent more than 30 years helping people get to the root of the problem, and we still believe clear advice matters just as much as the treatment itself.

 

As a family-run business, we know you want someone who turns up, tells you the truth, and does the job properly. We carry out free damp surveys and quotations across Durham, Newcastle and Sunderland so you can understand what your property needs without feeling pushed into anything.

Why choose us?

  • 30+ years of hands-on experience

  • Free, no-obligation surveys

  • Family-run and approachable

  • Thorough checks before treatment

  • Long-term property protection

Row of traditional red brick terraced houses on UK street under blue sky

Practical help for homes and commercial properties

You might be looking at flaking plaster, black mould, or that musty smell that never quite goes away. We tackle rising damp, condensation, dry lining, ventilation and exterior moisture problems with a practical approach that starts with proper diagnosis. Northeast Damp and Ventilation works with homeowners and commercial customers who want the cause found before money is spent on the fix. We serve Durham and surrounding parts of the North East with workmanship that aims to sort the issue properly, not just cover it up.

Our expert services

At Northeast Rising Damp and Ventilation, we provide a range of specialised services to tackle damp, condensation, and ventilation issues, ensuring your North East home remains dry, healthy, and comfortable. Our solutions are designed for longevity and effectiveness.

It contains:
 

Rising damp treatment

Long-Term Damp Control: Designed to provide effective rising damp resistance for at least 20 years.

We provide professional rising damp treatment to protect your property from moisture damage, peeling plaster, salt contamination, and damp walls. We install modern damp-proof course systems and carry out all necessary preparation and replastering to ensure a long-lasting solution.

 

Damp-proof course injection

Long-Term Damp Control: Designed to provide effective rising damp control for at least 20 years.

We install chemical damp-proof courses to stop rising damp in walls. This involves injecting a damp-proof cream into the mortar course to create a barrier that prevents moisture from rising through the walls. Suitable for homes, extensions, garages, and older properties.

 

PIV installation

We supply and install Positive Input Ventilation systems to reduce condensation, mould, and poor air quality. PIV systems introduce fresh filtered air into the property, which helps control moisture levels and improve air circulation throughout the home.

Why clients choose us

Rising damp specialists

Specialists in diagnosing and treating rising damp, including chemical damp-proof course installation and any necessary replastering.

Condensation solutions that last

We assess the property's overall airflow and recommend tailored ventilation, which may include PIV, loft ventilation, extractor fans or trickle vents.

Quality remedial repairs

We deliver long-lasting treatments that identify and address the root cause of damp.

Frequently asked questions

Let us get that damp sorted with professional damp proofers

Call us today to book your free survey. We'll give you honest advice and a clear quotation without the runaround.

bottom of page