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Trusted Waterproofing & Damp Proofing Solutions in London
Established to address structural waterproofing and damp proofing challenges, DS Damp Proofing provides specialist solutions across London and the Home Counties. Our expertise spans cavity drain membrane systems, cementitious slurry applications, chemical DPC injection, and rising damp remediation, adhering to British Standard BS 8102:2009. Accredited by Which? Trusted Trader, the Federation of Master Builders, and TrustMark, we prioritise responsible waste disposal and hold full public liability insurance.

Our team delivers Insurance Backed Guarantees ranging from 2 to 10 years, ensuring long-term client confidence. With extensive experience in domestic and commercial projects, we combine technical proficiency with a commitment to resolving damp-related issues efficiently.
Services
Structural Waterproofing Cavity Membrane Systems Damp Proofing Cementitious Slurry Chemical DPC Injection Timber Preservation Sump Pump Installation Internal Plastering External Rendering Concrete Repair
Highlights and features
  • We offer free surveys and detailed reports for all properties.
  • Our team holds accreditations from Which? Trusted Trader and TrustMark.
  • Full public liability insurance ensures client peace of mind.
  • Insurance Backed Guarantees available for 210 years.
  • Experienced in domestic and specialist contractor projects.
Associations and certifications
  • Which? Trusted Trader
  • Federation of Master Builders (FMB)
  • TrustMark
  • Environment Agency
Services
Structural Waterproofing
Specialist structural waterproofing solutions for basements and ground floors, compliant with BS 8102:2009. Our systems include cavity drain membranes and cementitious tanking renders. Ideal for domestic and commercial properties facing water ingress challenges.
Cavity Membrane Systems
Installation of high-density polyethylene cavity drain membranes to manage groundwater in basements. Systems include sump pump integration for efficient water removal. Suitable for new builds and retrofit projects requiring durable waterproofing.
Damp Proofing
Comprehensive damp proofing using chemical DPC injection and cementitious slurry coatings. Targets rising damp in walls and floors. Includes free surveys to identify moisture sources and recommend tailored solutions for long-term dryness.
Timber Preservation
Treatment of dry rot, wet rot, and wood-boring beetle infestations. Services include affected timber removal, chemical preservation, and structural repairs. Essential for maintaining timber integrity in damp-affected properties.
Sump Pump Installation
Professional sump pump installation and maintenance for basement waterproofing systems. Pumps automatically remove accumulated groundwater, preventing flooding. Includes regular servicing to ensure reliable operation during heavy rainfall.
People
Daniel Cleverdon
Director
Daniel Cleverdon leads DS Damp Proofing with over 15 years' experience in structural waterproofing. He oversees project delivery and client consultations, ensuring compliance with British Standards. His focus on technical excellence and customer service drives the company's reputation.
Questions
What areas do you cover?
We operate across London, Essex, and the surrounding Home Counties, providing waterproofing and damp proofing solutions to residential and commercial clients.
Do you offer free surveys?
Yes, we provide free, no-obligation surveys and written reports to assess damp or water ingress issues and recommend appropriate solutions.
Are your services accredited?
We are a Which? Trusted Trader, member of the Federation of Master Builders, and TrustMark-registered. We also comply with Environment Agency waste disposal regulations.
What guarantees do you provide?
All work is covered by an Insurance Backed Guarantee ranging from 2 to 10 years, depending on the system installed, for client peace of mind.
How do I report a problem?
Contact us via phone, email, or post within 14 days of issue discovery. We aim to resolve complaints promptly, with escalation options through the Dispute Resolution Ombudsman if needed.