Basement Waterproofing

Is Your Basement Showing Signs of Damp?

Our expert basement waterproofing specialists help protect homes and businesses from water ingress and structural damage. Look out for these common signs…

Water seepage on walls or floors, musty or damp smells, mould growth on surfaces, peeling paint or plaster, efflorescence, cold or clammy surfaces, visible cracks in walls or floors

Don’t let moisture compromise your property’s safety—get in touch today for tailored basement waterproofing solutions from trusted professionals!

5/5 based on 400+ reviews 

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Over 20 Years of Expert Damp Solutions

Universal Damp leverages more than two decades of industry experience to provide accurate diagnostics and long-lasting solutions for all types of damp problems

Family-Run Service with Genuine Care

As a family-run business, we treat your property like our own, delivering high-quality, lasting workmanship that offers excellent value and personalised service

R

Risk-Free, Comprehensive Damp Surveys

We offer thorough damp surveys with a no-risk guarantee—if we can’t help, you won’t be charged. Plus, proceed with our recommendations, and we’ll refund your survey fee in full

What is Basement Waterproofing?

Basement waterproofing involves sealing below-ground spaces to prevent water ingress and protect against moisture damage.

Waterproof tanking is a proven method where a membrane or cementitious slurry is applied to floors and walls, forming a watertight barrier that shields your property from external moisture. Left untreated, water ingress can lead to mould, timber rot, and weakened structures.

Whether you’re dealing with occasional seepage or persistent damp, we use industry-approved systems to keep basements dry, usable, and protected year-round. We provide long-term waterproofing for residential and commercial properties of all sizes.

Secure your basement with expert tanking or membrane installation—get in touch today to schedule a survey…

Book A Survey

What Are The Benefits of a Damp Survey?
Discover how a professional damp survey can protect your home, save money, and ensure effective, lasting repairs.

Accurate Diagnosis

Our surveyors pinpoint the type of damp issue affecting your property.

Detailed Treatment Plan

You receive a tailored report with specific remedial actions and quotes for repairs.

Professional Insight

Avoid misdiagnoses and costly mistakes by consulting certified experts.

Protection of Property Value

Timely intervention can prevent long-term damage, preserving your property’s value.

Why is Basement Waterproofing Important?

Moisture in basements can lead to serious structural problems, health risks, and devaluation of property.

Professional waterproofing protects your home from future water damage and avoids expensive repairs caused by rot, decay, or mould growth. It also improves comfort, thermal performance, and indoor air quality in your living space.

With the right system—such as tanking slurry or cavity membrane drainage—you can transform damp, unused basements into dry, functional rooms. We deliver guaranteed results using premium materials and precise methods that ensure lasting protection.

Trust Universal Damp for specialist basement solutions backed by over 30 years of expertise and experience.

Book A Survey

Why Choose Us for Basement Waterproofing?

At Universal Damp, we deliver reliable, expert basement waterproofing and tanking solutions. We offer…

Specialist Waterproofing We apply proven tanking slurries, membranes, and coatings to protect your basement against water ingress and structural damage.

Tailored Solutions Our waterproofing recommendations are designed around your property’s layout, use, and risk level to ensure maximum durability and effectiveness.

Reliable Service Our experienced team delivers professional service from initial inspection to final installation, with a focus on long-term results and peace of mind.

Exclusive Offers Book a waterproofing survey today and receive a full refund if you proceed with the recommended works.

We install long-lasting waterproof systems for basements, cellars, and other below-ground spaces using best-in-class materials and craftsmanship.

Book your survey with Universal Damp today and protect your property with expert waterproofing you can trust…

Book A Survey

Frequently Asked Questions
Learn how basement waterproofing safeguards your property, prevents costly damage, and ensures long-term protection
Can I apply waterproof tanking myself or should I hire a professional?

While some DIY enthusiasts may feel confident applying tanking slurry or membranes, it’s highly recommended to hire a professional for this type of job. Proper surface preparation, correct application techniques and ensuring the continuity of the waterproof barrier are crucial for effective tanking. Any errors can compromise the waterproofing, leading to costly repairs later on.

How long does waterproof tanking last?

When installed correctly, it can last for many years—often decades. Its longevity depends on factors such as the quality of the materials used, the application method and the ongoing maintenance of the structure. Regular inspections can help ensure the tanking remains effective over time.

Will waterproof tanking stop mould and mildew growth?

Yes, by preventing moisture from entering walls and floors, it helps eliminate the conditions that mould and mildew need to grow. However, it’s important to address any existing mould issues before applying tanking, as the barrier alone will not kill mould spores already present.

What materials are used in waterproof tanking?

Common materials include cement-based slurries, waterproof membranes and liquid coatings. Each has its own application process and is chosen based on the specific requirements of the project. For example, a tanking slurry is ideal for walls with minor defects, while membranes offer added protection in high-risk areas.

Damp in loft area

★★★★★

Called regarding a damp issue in my loft. Gary came out and done a damp survey and assessed the issue and explained thoroughly the problem and corse of action to take to rectify the problem. All followed up with a report. He was very friendly, helpful and informative.

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Job location · HP15

Rising Damp Survey

★★★★★

Gary came round to complete a survey on our old house. He was incredibly thorough and took the time to clearly explain what rising damp was, why it was happening in our house and the solutions they have to solve it. There was no hard sell, only recommendations and knowledge.

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Job location · HP3

Reliable, efficient and helpful

★★★★★

Gary and his team were dream tradesmen. They quoted promptly and accurately, turned up on time and were polite, tidy and respectful. Also very helpful in outlining options and explaining everything clearly. Highly recommend.

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Job location · TW11

Fast, efficient and excellent service

★★★★★

I was very impressed with the efficient service. Gary was a pleasure to deal with and very communicative throughout. I needed a damp survey quickly and they completed it within 48 hours. Highly recommended.

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Job location · EN5

Damp Survey of Property

★★★★★

Gary was absolutely amazing. He was reasonable and understanding. He explained everything clearly and answered all our questions. Went above and beyond for us. Would definitely use again.

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Job location · N1

Repairs to external render

★★★★★

The guys were on time and worked quickly and efficiently. They even found a workaround that avoided scaffolding and saved us money. Wouldn’t hesitate to recommend them!

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Job location · W4

Damp survey

★★★★★

Universal damp were great—really thorough survey, easy to book and good communication. They even helped sort an access issue on the morning of the visit. Quote was good value too.

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Job location · HP27

Job well done

★★★★★

We found Universal Group to be professional in their damp proofing and plastering work. The team was courteous, efficient and left the area clean and tidy after the job.

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Job location · HA4

Happy Customer

★★★★★

I recently had a great experience with Gary and Ben. From the start I was confident in their appraisal. They explained the treatment well and were very professional. Highly recommend.

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Job location · SL1

Exceptional service

★★★★★

Fast, efficient, thorough and very professional. I was very impressed with their quick turnaround on the survey and their great communication throughout.

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Job location · EN5
Think your property might have a damp problem?

Book your professional damp survey using the form below today. Our experienced surveyors in will carry out a detailed inspection to identify any signs of rising, penetrating, or condensation damp, and provide clear recommendations to resolve them.

0800 756 6653

info@universaldamp.co.uk

New Road, Weston Turville, Aylesbury, Buckinghamshire HP22 5QY (Main Office)

Monday to Friday 8:00am - 6:00pm / Weekends - Closed

20+ Years Experience

Trusted experts with over 20 years’ experience

All Work 100% Guaranteed

Quality assured with a full work guarantee

Fully Insured Company

Complete peace of mind — fully insured service

No Call Out Charges

We never charge extra for call outs

No Hidden Costs

Honest pricing — no unexpected hidden fees

100% Recommend Us

Our clients proudly recommend us every time

“Professional, prompt, and highly recommended!”

★★★★★

Gary from Universal Painters was very professional from start to finish. He was great at communicating with us regularly, as his work is very weather dependent, and did a great job in a very short amount of time. We would definitely recommend Gary.

Jilly · London

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Our Service

Universal Damp Solutions is a trusted provider of damp control solutions, offering expert damp surveys, DPC injection, and structural waterproofing. We ensure properties stay safe, dry, and healthy with services including mould treatment, condensation control, rising damp prevention, and waterproof tanking.

 

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