10 Best Damp Survey Companies in London

Several different types of dampness can affect buildings. They include rising dampness, penetrating dampness, condensation, and lateral dampness.

A Damp Survey Company is a firm that specialises in identifying such damp problems.

The Company does this by diagnosing the cause and degree of building damp issues.

They often provide a detailed report of the dumping problem. They also offer the right recommendations for treatment.

Here are the top 10 damp survey companies found in London.

1. Alpine Surveys

If damp’s sneaking into your home or office, Alpine Surveys might be just who you need. They’ve been on the scene in London for over 30 years, sorting out damp issues with a no-nonsense approach. The best thing about Alphine is that they don’t just stop at damp surveys. They also offer other top services as listed below: 

Do they offer a free survey? Yes

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2. Environ Property Services

Finding someone who really cares about your property is rare. Environ Property Services does exactly that. They’re a family-run business right here in London, with more than 15 years of hands-on experience.

Being family-owned means their team treats every home or business like it’s their own — with real care and attention. The company is a member of respected groups like PCA, SPAB, and NFRC, so you know they stick to proper standards.

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3. Damp Solutions on-Site

Reliable. Respectful. Straight-talking. That’s the kind of service you get with Damp Solutions on Site.

With over 25 years in the game, they’ve built a solid name across South London by fixing damp problems the right way—no shortcuts, no fuss.

The friendly team at Damp Solutions on Site is known for showing up on time, getting the job done properly, and offering advice you can actually trust.

They handle everything from rising damp and rot to woodworm and mould — and they’ll make sure your property stays safe, dry, and solid for years to come.

Here’s a quick look at what they do:

4. Damp Surveys Ltd

Looking for straightforward, no-nonsense experts who can carry out a damp survey? Damp Surveys Ltd has been quietly building a solid reputation since 2017. Their near-perfect 4.9-star Google rating speaks volumes about the level of customer satisfaction.

The company’s sole focus is on damp and timber surveys. This narrow range means they bring deep expertise to every inspection—no upselling, no distractions, just clear, evidence-based assessments you can trust.

They don’t try to oversell or confuse you. Instead, they offer clear guidance on how to manage damp problems — even if you want to try fixing things yourself. That kind of honesty is rare and appreciated.

5. Sherifi Group Ltd

If your damp problems are becoming a headache, Sherifi Group Ltd is the right “painkiller” you need. Their surveys dig deep to find exactly what’s wrong and how severe it is.

Think of it as a full check-up for your home’s damp issues.

They don’t just stop at spotting the problem. Sherifi recommends the right treatment to fit your situation, whether that means waterproofing, timber treatments, or sorting out structural repairs.

6. Damp Proofing London South

Damp creeping in? Mould, smells, or suspicious patches on the wall? Damp Proofing London South has your back. Based in Wimbledon, they’ve spent over 10 years keeping homes across South London dry and damage-free.

No hard sell. No fluff. Just solid, straightforward work. Their team doesn’t just treat the symptoms — they go after the root of the problem. Plus, they back it all with guarantees that go up to 30 years, giving you long-term peace of mind.

7. Damp Pro &Co Ltd

Damp Pro & Co is a family business that’s been fixing damp problems for over 30 years. They don’t just turn up with a quote and a clipboard; they actually take time to look, explain, and sort things out properly. 

Whether it’s a damp patch in your hallway or a basement that smells like a swamp, they know what to do. People like them because they’re honest, straightforward, and excellent with their assignments.

Do they offer a free quote? Yes

8. JPM Independent Surveyors

JPM isn’t a big chain. It’s a local specialist who actually knows your area and your issues. They’ve been inspecting homes and buildings for damp and timber problems for over 20 years and are fully insured, CSRT-qualified, and a member of the Property Care Association, which means you can trust their work. 

Whether you’re a homeowner, landlord, buyer, or estate agent, they’ll give you clear answers and real solutions. They’re even available as expert witnesses if your property needs defending after a poor survey or botched repair.

9. E K Damp Proofing

E K Damp Proofing has been sorting out damp issues in East London since the 90s. Over 25 years in the game, and they still treat every job with care. Whether it’s a leak behind the wall or mould spreading in the corner, they’ll know what to do — and they work around the clock.

They use high-quality materials, not shortcuts. You can trust that what gets fixed stays fixed. You’ll find them friendly, straight-talking, and fast to respond.  That’s why people keep going back to them — and leaving those 5-star reviews.

10. Garratt’s Damp & Timber Limited

Garratt’s is a family-run company that’s grown from humble beginnings to a team of over 20. They’ve been at it for more than 15 years, and their customers swear by them, as evidenced by a 4.9-star Google rating. Based in Hertfordshire, they cover London and the Home Counties. What stands out? The guarantees. 

• Thirty years for woodworm treatments. 
• Twenty years for rot and damp proofing. 
• Ten years for basement tanking. 

That kind of confidence only comes with experience and doing things properly the first time. They treat homes and commercial spaces alike. Whether it’s rising damp in your living room or waterproofing for a large structure, they’ll handle it with care.

Best Damp Survey Companies in London Comparison Table

Company Name	Years In Business	Services	Average Rating	Website
Alpine Surveys	30+	Damp Surveys, Structural Surveys, Timber Surveys, Homebuyer Surveys, Thermography Surveys, Aerial Surveys, Leak Detection Surveys	3.8	Visit Website
Environ Property Services	15+	Damp Survey, Pre-Purchase Survey, Drone Roof Survey and Roof Installation, Damp Proofing, Damp Treatment, Drainage, Basement Waterproofing, PIV Installation, House Restoration, Pest Control	4.4	Visit Website
Damp Solutions on Site	25+	Rising Damp Control, Damp Proofing Systems, Condensation and Mould Control, Damp & Timber Surveys, Woodworm Treatment, Basement / Cellar Waterproofing, Cavity Drainage Systems, Dry Rot/Wet Rot Eradication, Plastering, Ornate Plaster Cornices, Tanking, Rendering, Structural Crack Stitching	5.0	Visit Website
Damp Surveys Ltd	7+	Damp and Timber Survey Services	4.9	Visit Website
Sherifi Group Ltd	20+	Painting & Decorating, Damp Proofing, Condensation Control, Waterproofing, Timber Treatments, Structural Repairs, Basement Tanking, Drill Injection Cream, Specialist Replastering	5.0	Visit Website
Damp Proofing London South	10+	Chemical Damp Proof Course Injection, Cellar & Basement Waterproofing, Cellar & Basement Tanking, Timber/Woodworm Treatment, Rising Damp Treatment, Penetrating Damp Treatment, Wet Rot, Dry Rot Treatment, External Coatings, Condensation Control and Solutions, Black Mould Removal, DPC Installation, Damp and Timber Survey	4.3	Visit Website
Damppro&Co Ltd	30+	Damp Survey & Advanced Diagnostics, All Damp Proofing, Basement Waterproofing Membrane Lining & Tanking Systems, Dry Rot, Wet Rot, Woodworm, Rising Damp, Waterproofing, Timber Preservation, Homebuyers Report, Pre-Purchase Reports, Mould Treatment, Penetration Treatment	4.9	Visit Website
JPM Independent Surveyor	20+	Wood Rot, Insect Attack, Rising Damp, Water Penetration, Condensation and Mould, Floor Slab Humidity Test, Pre-Purchase Damp and Timber Surveys	5.0	Visit Website
E K Damp Proofing	25+	Air Ventilation, Damp Proofing, DPC Injection, Gutter Repairs, Plastering, Silicone DPC Injection, Tiling, Waterproof Render, Waterproofing, Woodworm and Dry Rot Control	5.0	Visit Website
Garratt’s Damp & Timber Ltd	15+	Basement Tanking, Condensation, Rising Damp, Dry Rot Treatment, Wet Rot Treatment, Woodworm Control, Damp Proofing, Commercial Damp Treatment, Commercial Structural Waterproofing, Commercial Timber Treatment	4.9	Visit Website

How to Choose the Right Damp Survey Company for Your Needs

There are a lot of damp survey companies around. This might not be very clear when selecting which one to choose.

As we have viewed the best 10 companies for a damp survey, there are plenty of considerations to consider. Read more to help you identify the right damp survey firm.

Customer Reviews

Some people in London have already utilised the damp survey services.

Some have given feedback on the services they received from various companies. You should spend your time reading these reviews. The reviews can be found on Google Maps.

Other companies that rate damp survey firms are Trustpilot, Checkatrade, and TrustATrader. The reviews will guide you in selecting the damp Company with excellent reviews.

Good reviews show customers were satisfied. When choosing a company for your damp survey services, consider good reviews. Negative reviews show you should walk away.

Certifications

Is the Company or the specialist accredited by a trusted Trade Body? The Company should have a license to operate. This proves that the Company has been offering the services legally.

You are looking for an accredited company and a member of reputable organisations. Is the damp survey firm a member of the Property Care Association?

Trustmark scheme membership can be of help. Membership in the Basement Waterproofing Association is also ideal.

You know you are getting the best services if the specialist is a certified expert witness. Accreditation from the Royal Institution of Chartered Surveyors (RICS) is an added advantage.

Years in Business

The number of years the Company or specialist has been working on damp issues should be checked. The most preferred Company should have a vast number of years. The experts have mastered different kinds of damp issues.

They know how to identify their source and their best treatment.

Range of services

Some companies are dedicated to damp and timber surveys. These companies run to provide a detailed damp survey report of the issues and the root cause of the damp problems.

They deliver the recommendation for treatment. However, you have to hire a company to handle the solution or the treatment you need.

Some companies offer a wide range of services—for instance, Air ventilation, damp proofing, DPC injection, gutter repairs, and plastering.

Additional services include tiling, Waterproofing, woodworm control, and wet and dry rot control. The same Company might offer rising damp, damp & timber survey, and treatment.

Some prefer a company that is dedicated to fewer services and will provide the best services.

This is because they have mastered the art of delivering excellent services. However, you will need to choose another company for another task you may need.

Some people look for a company that can offer a variety of services. The Company can provide solutions to meet all your needs in such cases. When choosing a company, you should consider your preferences.

Area of Operation in London

When choosing a damp survey company, areas of operation should be considered.

The area of operation is considered based on who you are. Are you a homeowner in a specific area in London? Are you a landlord with several properties for rental? Are you a real estate agent?

Being a homeowner means that you own a home in a specific area. You might own several homes in various areas of London. Yet, a real estate agent would need a damp survey and treatment several times.

The damp survey firm you choose should be operating where your own properties are. Your area of operation should be the coverage area of the wet survey firm you pick.

What to Look for in a Damp Survey Company

When selecting a damp survey firm, you must look at several things. An ideal firm would deliver the best services. A license shows the business is operational. Check out what to look for in a damp survey firm below.

Qualifications and Training

Qualifications from the company and experts are essential. The experts must have been trained in damp solutions services. The Company ought to have a witness expert with a certification from RICS.

The Company you are selecting should be a member of PCA. The company should provide training to its employees from time to time.

Insurance & Guarantees

Insurance assists in protecting the client in case of an accident. The accident can cause harm to experts or their properties. Medical cover for the experts will help with any medical bills.

Insurance for the property will ensure that the damage that occurred is covered. It can be repaired accordingly. The Company you are hiring must have insurance coverage.

The guarantee covers the services and treatment provided by the damp survey company. It is a necessity when looking for the right firm.

There should be several kinds of guarantees that cover different types of solutions. You are assured that a full refund will be done if the services are of poor quality, and if transparent pricing.

The Company should be offering the fee on their websites. The cost should be readily available. This will help you determine a company that is reasonable for your needs. It ensures that there are no hidden charges.

You should walk away if a company does not offer a fee transparently. You are preventing any extra costs for your services.

Detailed written reports

You are looking for a damp survey company due to your issues.

This company should be offering a detailed written report on its survey findings. The report should inform about the damp issues and the root cause findings in depth. The report should have a thorough treatment recommendation.

You should look for a company that offers a detailed written report. If it lacks a detailed written report, you should not pick damp survey solutions.

Turnaround time

A damp home or even office would be a health risk. You need your issue to be identified so you can seek a solution. The faster the problem and root causes were identified, the faster the solution would be offered.

Turnaround time is the time the damp survey company offers the services and gives the report. This means getting to your site, taking the survey, and delivering a detailed written report.

Some companies promise a 24-hour turnaround time. Some companies can take three days to offer the damp survey services.

You should find a company that offers the turnaround time that works for you.

Damp Survey Companies FAQs

There are questions people ask themselves concerning damp survey companies. If you have questions, check out the information below to determine if you will find the answer.