Describe your job with details to view a tailored list of tradespeople.
Post your job

Damp Proofers in Welwyn

Easily find verified Welwyn Damp Proofers. Just post your job to get quotes from MyBuilder's Damp Proofers in Welwyn.

How it works

Post your job for free

Post your job for free

Tell us about your job, and we’ll alert suitable tradespeople in your area. It’s simple and free.

Tradespeople respond

Tradespeople respond

Once your job is posted, you’ll get responses from interested tradespeople through the website.

Review profiles and choose

Review profiles and choose

Browse profiles, work history, and feedback, then choose who you wish to share your details with.

Some of our top rated damp proofers in Welwyn

192 Results

Sort by:

  • Damp Proofer in Welwyn

    We are an established plastering and damp proofing company with 35 years experience, our main trade is all aspects of plastering but we also offer building maintenance, general building and refurbishments. We are 100% reliable, trustworthy, clean and leave all our work to the very highest standard.

    Get in touch
  • Dampcure-Woodcure/30 Ltd Established 1959. Family Business. Qualified Surveyors Specialised Remedial Treatment Company works carried out by all types of buildings. Free Surveys.

    Get in touch
  • Damp Proofer in Welwyn

    At Homelytics, we specialise in transforming your spaces whether you require kitchen and bathroom fittings, painting, or comprehensive renovations. Whether you're dealing with mold, wall cracks, stairrails, ceilings, or tiles, we bring precision, care, and attention to detail to every project. With experience and a commitment to quality craftsmanship, we strive to exceed your expectations and make your home or business look its very best. From minor repairs to full-scale renovations, no job is too big or small. Let us help you create a space you’ll love — durable, enriching, and built to last. Contact us today for a free consultation and let’s bring your vision to life!

    Get in touch
  • Damp Proofer in Welwyn

    I have been a Groundworker for 20 year ,and gain a lot of experience doing a lot of projects . I been working as a site manager for big contractors doing new builds .

    Get in touch
  • Hi im darren, I have over 25+ years of experience of all plastering and construction work. I can do all types of plastering internal and external as well as offer many more services in the construction field. I work all round Essex but starting to expand out further. I'm reliable, trustworthy, hardworking, clean and tidy.

    Get in touch
  • Damp Proofer in Welwyn

    I am a reliable and hardworking employee who takes pride in delivering quality results. I adapt quickly to new tasks, work well both independently and as part of a team, and maintain a positive attitude even in challenging situations. I am punctual, organized, and committed to meeting deadlines. My strong work ethic and willingness to learn help me continuously improve and contribute effectively to any workplace.

    Get in touch
  • At Just Pro Ltd, we pride ourselves on delivering exceptional plumbing and maintenance services backed by outstanding customer care. Whether you need plumbing repairs, drainage solutions, leak detection, or general maintenance, our skilled team handles every job with precision, efficiency, and attention to detail. We cover all areas of plumbing, from minor fixes to major installations, ensuring every project is completed to the highest standard. Our commitment to clear communication, reliability, and professionalism means you can trust us to get the job done right the first time. Customer satisfaction is at the heart of everything we do, and we strive to make every interaction smooth, stress-free, and friendly. No matter the size or complexity of the work, we bring expertise, care, and dedication to every task, providing long-lasting solutions and peace of mind. Choose Just Pro Ltd for dependable, high-quality plumbing, drainage, leak detection, and maintenance services tailored to your needs.

    Get in touch
  • Damp Proofer in Welwyn

    Quality & reliability focused company, Cleedon Ltd serves domestic & commercial clients with their building needs. We can bring reasonable prices for our customers, ensuring that quality remains our top priority. We can provide free quotations and consultancy, bringing our expertise to match your desired outcome.

    Get in touch
  • damp proofing company with long experience in damp proofing. csrt qualified surveyor.cellar conversions. structural waterproofing.penetrating damp.

    Get in touch
  • We have been in the plastering industry since 1978 We specialize in damp proofing, Plastering and external render systems. We cover Essex, London Kent, and Herts. We offer a range of solutions eradicate condensation. we install PIV units to suit the property. We offer a free damp survey to home owners and a reasonable charge for potential buyers. We are an approved installer of CorkSol spray insulation.

    Get in touch
  • *New roof *Roof repair *Flat roof *Slate roof *Chimney repair *Lead work *Guttering *Fascia & Soffit *Velux windows *Loft insulation *Loft boarding *Loft ladder

    Get in touch
  • Started with small jobs now doing full house refurbishment , , plumbing , electrical, brick work, plastering , carpentry , bathroom refurbishments , kitchen and many more , i also do extensions , any work that needs doing in a house we have solution and team to do, logged on to my builders In 2020 but, left due to extremely busy , giving it a try on 2024 , my profile may look old with no reviews because i got active now in 2024,, check out my pictured of work during and after finish

    Get in touch
  • We are new to my builder so let me introduce us! Here at Just Do More we simply just do more! From first stages of preparation and protection to leaving our customers with a perfect finish. With 9 years plastering experience I have decided to start working for myself. Along with bringing that little bit of extra care and attention to detail on all my jobs! All our work is carried out to the highest standard and we aim to deliver all this at the most competitive price!

    Get in touch
  • Briggs Plastering services offer full city & guilds qualified tradesmen to help to build & improve what ever vision the client /customer require We cover all plastering requests or tasks such as float&set ,dot&dab ,internal skimming ,artex covering ,coving , external sand& cement ,

    Get in touch
  • J.P.B Restorations Limited Specialists in Mould Remediation, Water Damage Restoration & Property Preservation. At J.P.B Restorations Limited, we specialise in mould remediation, water damage restoration, timber treatment and inspection, rising damp solutions, and property refurbishment. Whether you’re a homeowner or business owner, we’re here to protect and restore your property with reliable, efficient, and environmentally safe methods. With years of industry experience, our expert team offers fast response times, thorough inspections, and tailored solutions to stop damage at its source and prevent it from returning. Our core services include: • Mould Remediation – Safe and certified removal with long-term prevention • Water Damage Restoration – From minor leaks to major flooding • Timber Treatment & Inspection – Protect against wood rot, insect infestation, and structural decay • Rising Damp Solutions – Accurate diagnosis and effective treatments • Refurbishment – Restoring and upgrading your space after damage or as part of general improvements Whether you’re dealing with sudden damage or planning proactive maintenance, you can count on J.P.B Restorations Limited for quality workmanship, honest advice, and lasting results. Your safety and property are our top priority. Contact us today for a professional assessment. Public Liability and Indemnity cover available on request.

    Get in touch

4.7

Top rated Damp Proofers

Our Damp Proofers in Welwyn, are rated 4.7 out of 5 based on 86 reviews from customers like you.

Quality screening

Easily find verified local tradespeople. Just post your job to get quotes from tradespeople near you across the UK.

What types of services are offered by local damp proofers in Welwyn?

{Location} damp proofers specialise in identifying, treating, and preventing damp and mould issues in residential and commercial properties.

Some of the services damp specialists in Welwyn can provide include:

  • Identifying the cause of damp and mould
  • Applying damp treatment to treat rising damp
  • Installing damp proof membranes to prevent water ingress
  • Recommending or installing concrete tanking or drainage systems for underground damp
  • Treating condensation and humidity issues
  • Applying waterproof coatings and sealants to walls and floors

No matter the job you need doing, MyBuilder can connect you with local damp proofers in Welwyn available to complete it for you.

Simply post your job, and we’ll match you with interested and available local Welwyn damp specialists ready to take it on. Browse their work history, read reviews and request quotes to choose the right damp proofing company or contractor in Welwyn for your project.

Average cost of damp proofing in Welwyn

The average cost for damp proofing in Welwyn can range anywhere from £1,000 - £5,000, depending on the property size, type, and age, the type of damp you have, the size of the affected area, and any additional work required like replastering or repainting.

To break down the cost further, there are three main types of damp, each with different treatment approaches and costs: Condensation damp treatment cost: £150–£400 per room

Usually caused by poor ventilation or humidity. Treatment may include improving airflow, installing vents, or applying anti-condensation paint.

Penetrating damp treatment options costs: £350–£1,000 per wall

Caused by water ingress through walls, roofs, or gutters. To combat penetrating damp, a professional can fix leaks, apply waterproof coatings, or repair brickwork and pointing.

Rising damp solutions costs: £500–£2,000+ per wall

The most complex and costly to fix, rising damp occurs when moisture travels up through walls from the ground. Treatment often involves installing a damp proof course, replastering, and redecorating.

You can find more information on budgeting for your project with our guide on the cost of damp proofing.

MyBuilder Tip: Replastering and repainting affected walls is often one of the most costly parts of the damp treatment process, so getting a detailed quote is essential.

Find a damp proofer in Welwyn with MyBuilder

If you suspect your home has damp, it’s important to get it sorted quickly by a damp specialist in Welwyn, and MyBuilder simplifies the hiring process.

It’s completely free to post your job on MyBuilder, and it only takes a few minutes:

Step 1: Post your damp-related job on MyBuilder

Describe your issue in detail, including the type of damp, affected areas, and any concerns you have. Once posted, our platform will share your job with damp proofers in Welwyn who can register their interest. You’ll be notified as soon as they do.

Step 2: Compare profiles and reviews of damp specialists in Welwyn

Read through the profiles of interested Welwyn damp specialists, view examples of past work, and read verified customer reviews.

Reach out to the local damp proofers in Welwyn you feel are the best fit to discuss your job in detail. Ask about their diagnosis, recommended treatments, timelines, and costs to get clear, comparable quotes.

Step 3: Hire a damp specialist in Welwyn with confidence

Once you’re satisfied with their experience, quotes, and approach, you can confirm your hire and get your damp issue resolved efficiently.

All damp proofers in Welwyn who register with MyBuilder undergo ID and skills checks, and we monitor complaints to maintain high standards.

Questions to ask damp specialists in Welwyn

You want to be sure that you are hiring a damp proofing contractor in Welwyn with the right experience, skills, and understanding of your property and job requirements.

Here are some key questions to ask damp proofers that should guide your final choice:

What qualifications do you have?

Check for recognised certifications such as CSRT (Certified Surveyor in Remedial Treatment) or CSSW (Certificate in Structural Waterproofing). Qualifications show the tradesperson has the proper training to diagnose and treat damp effectively.

Are you a member of any professional bodies?

Membership in professional organisations like the Property Care Association (PCA) indicates the Welwyn damp specialist adheres to industry standards and best practices.

Are you insured, and do you offer a warranty?

Insurance protects you against accidents or damage during the work, while a warranty shows confidence in the longevity of the treatment.

What treatment do you recommend, and why?

Different damp types require different solutions, so ask the damp specialist in Welwyn to explain their recommended approach and why it’s the best option for your home.

Is the work compliant with building regulations?

For certain treatments, like tanking or major structural repairs, ensure the Welwyn damp proofing contractor will follow all relevant regulations and can provide certification if needed.

What is included in your quote?

Clarify what the quote encompasses, with typical services including a site survey, a written report, labour, materials, and any replastering or repainting, so there are no surprises later.

How long will the job take to complete?

Ask for a realistic timeline based on the type of damp, the size of the affected area, and any additional work like plastering or painting. This helps you plan around the disruption.

FAQs: Frequently asked questions when looking for local damp specialists in Welwyn

How long does a damp specialist in Welwyn take to complete damp treatment?

The timeline of your damp treatment depends entirely on the service you require. Small jobs like treating condensation or installing ventilation can take a day or two, while rising damp treatments may take several days or weeks depending on wall size and replastering requirements.

Will I need to leave my home while a damp proofer in Welwyn carries out damp treatment?

Many treatments allow you to remain in your home, but for major works such as treating rising damp or tanking, temporary relocation may be recommended to minimise disruption.

How long will a damp proofing treatment carried out by a damp proofer in Welwyn last?

Professional treatments can last 10–15 years or more, depending on the property and the cause of the damp. Regular maintenance and monitoring will help to extend your damp proofing’s lifespan.

If I hire a damp proofer, can the damp proofing work increase my Welwyn property value?

Yes, addressing damp improves structural integrity, prevents future damage, and reassures potential buyers, which can positively impact your Welwyn home’s market value.

Other tradespeople in Welwyn

Cities