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Specialist Damp Proofing & Basement Tanking Services
Established in 2016, Damp Proofing London SW has built a reputation as a trusted provider of specialist damp proofing and basement tanking solutions across London and surrounding areas. Our team comprises fully qualified tradesmen with extensive experience in diagnosing and resolving complex damp-related issues, including rising damp, condensation, penetrating damp, and timber infestations. We employ advanced waterproofing techniques and materials to deliver durable, effective treatments that protect properties from moisture damage. Covering South West London, South East London, Central London, and key areas in Surrey and Kent, we combine technical expertise with personalized service to address each client's unique requirements. Our commitment to quality is demonstrated through comprehensive surveys, accurate diagnoses of damp causes, and tailored remedial actions that meet industry standards.

We prioritise transparency in our operations, providing honest assessments and competitive quotations while maintaining strict adherence to health and safety protocols. With a focus on long-term solutions rather than temporary fixes, we have successfully completed numerous projects involving basement conversions, structural repairs, and condensation control systems. Our approach integrates traditional methods with modern innovations to ensure watertight integrity in both residential and commercial properties. The company's dedication to improving industry standards is reflected in our use of low-hazard chemical damp proof courses and advanced tanking systems that achieve effective results with minimal structural impact.
Services
Basement Tanking Rising Damp Treatment Condensation Control Timber Treatment Structural Repairs
Details
  • Year established: 2016
Highlights and features
  • Fully qualified tradesmen with specialist damp diagnosis expertise
  • Comprehensive surveys identifying root causes of damp problems
  • Advanced waterproofing systems with minimal structural impact
  • Covering all London areas including SW, SE, and Central London
  • Commitment to long-term solutions over temporary fixes
Services
Basement Tanking
Our basement tanking systems create watertight envelopes for subterranean spaces using advanced cementitious and epoxy solutions. Applied to walls and floors, these treatments prevent water ingress from hydrostatic pressure while maintaining structural integrity. The 5mm-thick membranes eliminate the need for supporting walls, preserving internal space while providing permanent protection against groundwater penetration.
Rising Damp Treatment
Specialist chemical damp proof course injection addresses rising damp through capillary action. Our low-hazard solutions form impermeable barriers in masonry walls, stopping moisture migration from ground sources. This method effectively protects structural elements and internal finishes while preventing timber decay associated with persistent damp conditions.
Condensation Control
Comprehensive condensation management combines diagnostic surveys with tailored ventilation solutions. We install extractor fans, heat recovery systems, and passive vents to address moisture accumulation from domestic activities, preventing mould growth and structural damage while improving indoor air quality in residential and commercial properties.
Timber Treatment
Targeted treatments for dry rot, wet rot, and woodworm infestations restore structural timber integrity. Our approach combines chemical preservation with moisture control strategies to eliminate existing infestations and prevent recurrence, ensuring long-term protection of load-bearing wooden components in affected buildings.
Structural Repairs
Integrated structural repair services address damage caused by persistent damp issues. We restore compromised masonry, replace decayed timber elements, and implement waterproofing measures to reinstate building integrity. Our solutions focus on resolving underlying moisture problems while restoring structural functionality and safety to affected properties.
Questions
What areas do you cover for damp proofing services?
We operate across London including South West, South East, and Central London, plus Surrey and Kent areas such as Kingston, Croydon, and Morden.
How do you diagnose damp problems accurately?
Our qualified surveyors conduct comprehensive inspections to identify moisture sources, distinguishing between rising damp, condensation, and penetrating damp through visual assessment and moisture testing.
What makes your basement tanking different?
Our systems achieve waterproofing with 5mm thickness, eliminating need for supporting walls while maintaining structural integrity and space efficiency in subterranean environments.
Can you treat severe timber rot issues?
Yes, we handle advanced dry rot and wet rot cases with chemical treatments combined with moisture control to restore structural timber integrity and prevent recurrence.
Do you provide guarantees for your work?
We offer warranties on approved damp proofing systems when installed according to specification, with documentation provided upon completion of qualifying projects.
How quickly can you respond to emergencies?
Emergency call-outs for urgent damp issues are prioritised with initial assessments typically arranged within 24 hours of contact during working days.