Expert General Building Defect,
Water Ingress &
Consequential Consultants
Forensic investigation of building defects and water ingress, expert witness reports, and remedial project management across New South Wales and Queensland.
Specialist Building Consultancy Services
Independent technical advice across all aspects of building defects, waterproofing failure, and building envelope performance — for lawyers, strata managers, building owners, and government agencies.
Forensic Analysis & Investigation
Systematic, evidence-based investigation into building defects, water ingress, and consequential damage. Leak source tracing, flood testing, thermal imaging, and detailed causation reporting.
Learn MoreWaterproofing Consulting
Independent system selection, specification review, installation oversight and warranty compliance. We do not sell or install — our advice is always independent.
Learn MoreFacade & Building Envelope
Assessment of cladding, glazing, sealant failures, and water ingress through facades. NCC 2022 Volume One Section F and B compliance review.
Learn MoreExpert Witness & Litigation
UCPR Schedule 7 compliant expert reports, joint conclave preparation, and technical evidence for NSW NCAT, District Court, and Supreme Court proceedings.
Learn MoreGeneral Building Defect Inspections & Reporting
Independent defect inspections and comprehensive reporting under HBA 1989. Major and minor defect classification, Section 48MA reports, and strata building defect schedules.
Learn MoreProject Management
Superintendent services, contracts administration, milestone inspections, and hold-point management for remedial and new construction projects.
Learn MoreDesign Consultation
Specialist design advisory for waterproofing systems, facade assemblies, drainage solutions, and building envelope performance. Independent, technically grounded design advice.
Learn MoreCausation Inspection & Reporting
Targeted inspections and reports to determine the root cause of building defects — design deficiency, workmanship, or product failure — for litigation, insurance, and liability proceedings.
Learn MorePeer Review
Independent peer review of building defect reports, expert witness opinions, waterproofing specifications, and remedial designs for legal teams, insurers, and building owners.
Learn MorePrior Engagements
A selection of completed projects across healthcare, residential, commercial, and strata sectors in NSW.
Bowral & District Hospital
Bowral, NSW
Waterproofing design, project management, and quality assurance for a regional hospital experiencing water ingress to ICU, private suites, and common areas. Facade testing, cavity flashing system design, and full remediation completed by a Tier 2 Principal Contractor.
Market Street Sydney
Sydney CBD, NSW
Forensic analysis and recommendations for water ingress through a recently completed commercial refurbishment. Thermal and moisture mapping, construction drawing review, and consequential damage assessment for commercial tenancies. Engaged by Growthbuilt.
Griffith Hospital
Griffith, NSW
Waterproofing and roofing quality assurance inspection across Griffith Base Hospital. ITP review, condition and installation assessment, defect identification, and ongoing peer review advisory. Completed with a Tier 2 Principal Contractor.
Lawrence St Alexandria
Alexandria, NSW
Forensic investigation of water ingress to balconies and consequential structural damage at a residential property, including joist and wall plate assessment, thermal imaging, and structural engineering coordination.
Forensic Investigation
Walsh Street, Narrabeen
Narrabeen, NSW
Peer review and expert witness engagement for an owners corporation across a 38-lot strata complex with widespread waterproofing defects. AAMA 501.2 calibrated rain wand testing, flood testing, thermal imaging, and laboratory sampling conducted. Builder entered liquidation; HBCF insurance claim supported.
Huntingdon Gardens, Bexley
Bexley, NSW
Forensic investigation, design, and superintendent services for water ingress and moisture penetration through the facade of an occupied aged care facility. Total project value $492,330.
Project ManagementIndependent | Evidence‑Based | Forensic Building Consultancy.
Weatherproof Consulting is a specialist building consultancy based in Sydney, NSW. We provide independent technical advice to lawyers, strata managers, commercial building owners, and government agencies across NSW and Queensland.
Our advice is always independent — we do not sell or install products. Our methodology is evidence-based, our reports are technically rigorous, and our opinions are defensible in court.
"We approach every engagement the same way — systematically, independently, and with the technical rigour our clients and their legal teams require."Anna Guerrera | Operations Manager