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Damp Proofing & Structural Remediation Experts in Plymouth
South West Wall Coatings is a trusted specialist in damp proofing, timber treatments, and structural remediation across Devon and Cornwall. With over 35 years of expertise in basement waterproofing and cavity wall tie inspections, our team delivers precise diagnostics and tailored solutions for rising damp, woodworm, dry rot, and condensation issues. Accredited by the Property Care Association and CHAS, we prioritise integrity and customer satisfaction, offering insurance-backed guarantees on all work.

Our CSRT-qualified surveyors utilise advanced techniques and materials to ensure long-term property protection. From initial surveys to remedial plastering and carpentry, we provide a comprehensive service that combines technical excellence with transparent communication. Our commitment to quality has fostered growth through client referrals, reflecting our dedication to resolving damp-related challenges efficiently and professionally.
Services
Damp Surveys Timber Treatment Condensation Control Basement Tanking Wall Tie Replacement
Highlights and features
  • Accredited by the Property Care Association (PCA) and CHAS approved
  • CSRT-qualified surveyors with over 35 years of specialist experience
  • 100% guaranteed treatments with optional insurance-backed protection
  • Comprehensive service from survey to remedial completion
  • Local Devon-based team with deep regional property knowledge
Associations and certifications
  • Property Care Association (PCA)
  • CHAS
  • Government Trustmark Scheme
What people say
Proper 'old fashion' style company Job properly done Top customer service Sorted the work straight away Thoroughly recommend them
Services
Damp Surveys
Our CSRT-qualified surveyors conduct thorough inspections to identify rising damp, penetrating damp, and condensation causes. Using detailed reporting, we diagnose moisture sources and recommend tailored remediation strategies. All surveys include actionable recommendations and quotations for repairs, ensuring properties receive targeted, long-term solutions.
Timber Treatment
Specialist treatments address woodworm infestations and fungal decay in structural timbers. We apply industry-approved preservatives to eliminate pests and prevent recurrence. Our methods include targeted injections and surface treatments, restoring timber integrity while maintaining compliance with health and safety standards for residential and commercial buildings.
Basement Tanking
We install cavity drain membranes and structural waterproofing systems to convert damp basements into habitable spaces. Our solutions manage water ingress through foundation walls, using sump pumps and polymer-modified coatings. This creates dry environments suitable for living areas, storage, or commercial use while meeting building regulations.
Wall Tie Replacement
Corroded wall ties are replaced using stainless steel alternatives to restore structural stability. Our surveys identify failure points via endoscopic inspections, followed by targeted tie replacement. This prevents bulging and cracking in brickwork, ensuring long-term safety and compliance with structural engineering standards for cavity wall construction.
Condensation Control
We address persistent condensation through ventilation improvements and anti-mould treatments. Our solutions include installing passive vents, dehumidifiers, and salt-inhibiting plasters. By tackling moisture sources and improving airflow, we eliminate mould growth risks and protect indoor air quality in residential and commercial properties.
Questions
What areas do you cover for damp surveys?
We cover Devon, Cornwall, and surrounding areas including Plymouth, Exeter, and Torquay for comprehensive damp and timber inspections.
Are your damp proofing treatments guaranteed?
All our treatments come with a 100% guarantee, with optional insurance-backed protection available for added peace of mind.
How do you diagnose rising damp issues?
Our CSRT-qualified surveyors use moisture meters and wall inspections to identify rising damp, providing detailed reports with remediation recommendations.
Can you help with basement waterproofing?
Yes, we specialise in basement tanking systems using cavity drain membranes and structural waterproofing to create dry, habitable spaces.
What accreditations do you hold?
We are members of the Property Care Association (PCA), CHAS approved, and part of the Government Trustmark Scheme for quality assurance.