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Business Details
50+ Years
experience
Professional Damp Proofing Solutions London
Tapco HomeDry has been a trusted name in property preservation since 1971, delivering specialist damp proofing, basement waterproofing, and timber decay solutions across London and the Home Counties. Our team of PCA-certified surveyors and technicians combine over five decades of experience with cutting-edge techniques to address rising damp, condensation, dry rot, and structural water damage. As ISO 9001:2015 accredited professionals, we adhere to rigorous quality standards while offering long-term guarantees protected by Guarantee Protection Insurance.

With over 4,000 properties serviced annually, we provide tailored solutions for homeowners, landlords, and commercial clients, supported by Trustpilot 'Excellent' ratings and membership of the Basement Waterproofing Association. Our commitment to transparency ensures honest assessments without commission-driven recommendations, backed by comprehensive aftercare and a 50-year legacy of resolving complex damp challenges.
Services
Damp Proofing Basement Waterproofing Dry Rot Treatment Condensation Control Property Maintenance Water Damage Repair Cavity Wall Ties Structural Waterproofing
Details
  • Year established: 1971
Highlights and features
  • 50+ years' experience in property preservation
  • ISO 9001:2015 quality management certified
  • Property Care Association accredited specialists
  • Long-term guarantees with GPI protection
  • Over 4,000 properties serviced annually
Associations and certifications
  • ISO 9001:2015
  • Property Care Association
  • Guarantee Protection Insurance
  • Basement Waterproofing Association
  • Trustpilot
What people say
Professional service Reliable and cost-effective Efficient and effective Excellent workmanship Prompt and thorough
Services
Damp Proofing
Our damp proofing specialists address rising damp and lateral penetration using chemical injections and physical barriers. With ISO 9001-certified processes, we install damp proof courses that comply with BS6576 standards. Each solution includes moisture mapping and guarantees protected by GPI, ensuring long-term protection against structural damage and mould growth in residential and commercial properties.
Basement Waterproofing
We provide Type A (barrier) and Type C (drainage) waterproofing systems compliant with BS8102. Our cavity drain membrane installations include Sovereign and Delta-approved systems with integrated pump stations. This enables basement conversions to habitable standards while maintaining structural integrity through hydrostatic pressure management in London's clay soil conditions.
Dry Rot Treatment
Certified PCA surveyors diagnose dry rot (Serpula lacrymans) infestations using moisture meters and borascopy. Our treatment involves affected timber removal, fungicidal applications to BS1881 standards, and replacement with pre-treated joinery. We implement ventilation improvements to address underlying humidity issues causing fungal decay in structural timbers.
Condensation Control
Our condensation solutions combine thermal imaging surveys with humidity monitoring. We install passive vents, mechanical ventilation systems, and thermal upgrades to meet NHBC guidelines. This addresses surface mould growth on cold walls while improving indoor air quality through controlled air exchange rates in period properties.
Property Maintenance
We offer comprehensive property maintenance covering brick stitching, cavity wall tie replacement, and structural crack repairs. Our services comply with BS6977 for masonry maintenance, including lime mortar repointing for heritage buildings. This extends property lifespan while maintaining aesthetic integrity through colour-matched repairs.
Questions
What damp proofing services do you offer?
We specialise in rising damp treatment, basement waterproofing, dry rot eradication, condensation control, and structural repairs using PCA-recommended methods.
Do you provide guarantees?
All work comes with long-term guarantees protected by Guarantee Protection Insurance, transferable upon property sale.
Are your surveyors qualified?
Our surveyors hold PCA certifications and follow ISO 9001 quality management standards for accurate damp diagnosis.
Can you help with emergency damp issues?
We prioritise urgent cases and typically schedule surveys within 48 hours of initial contact during working hours.
Do you work with commercial properties?
We service commercial buildings including banks, restaurants, and public facilities across London and the Home Counties.
How long have you been trading?
Established in 1971, we celebrate 52 years of providing specialist damp solutions with continuous service improvements.