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Pre-purchase structural building inspections are the most common type of inspection undertaken for existing properties in Perth, with most contracts signed with a clause subject to structural faults.
This purchase is an important decision and independent advice is often required to make informed decisions.
The purpose of this inspection is to provide advice to a potential purchaser regarding the condition of the structure of the property. The inspection is not intended to include a rigorous assessment of all building elements in a property.
This clause protects the purchaser, with the obligation on the seller to rectify any structural issues prior to settlement of the property.
The inspection comprises of a visual assessment of the property, to identify major defects to the accessible areas of the buildings structure.
Australian standard AS 4349.1 Inspection of buildings requires the inspection to be conducted by an inspector competent in assessing the condition of residential buildings.
A report prepared in accordance with this standard is not a certificate of compliance of the property within the requirements of any Act, regulation, ordinance, local law or by-law, and is not a warranty against future problems developing.
AS 4349.1 does not require reports to include the identification of unauthorised building works or of work not compliant with building regulations.
The presence of defects shall only be relevant when such defects relate to the structural condition of the building.
Perth Structural Inspections
For compliance with AS 4349.1, the report should not contain any assessment of the following items:
- General maintenance issues.
- Serviceability damp issues such as stormwater drainage or condensation issues, lateral & rising damp, mortar fretting, rusting of primary elements, .
- Any area that was not accessible.
- Any non-structural elements, eg: windows, doors, general gas, plumbing, electrical wiring, fencing, non-structural damp issues, floor coverings, painting, tiling etc.
- Damp issues such as rising or lateral damp should only be reported on where structural damage has occurred, may occur or is occurring at the time of inspection.
The building shall be compared with a similar property of approximately the same age and construction type and which has be reasonably well maintained.
Numerous Building Inspectors in Perth are currently incorrectly assessing older properties against current code requirements. This is occurring particularly for roofs.
We inspect the property to ensure there are no structural faults evident at the time of inspection, not for compliance related issues during a structural pre-purchase building inspection.
Master Building Inspectors inspect all accessible areas of a building.

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Structural Building Inspections Perth
In Perth, most real estate agents use REIWA contracts when preparing property sales. We highly recommend adding specific structural building inspection and timber pest inspection clauses to these contracts. Doing so ensures you are protected if significant structural issues or termite activity are discovered.
It is not uncommon for inspections to uncover serious concerns such as cracked walls, subsidence in timber floors, or roof framing issues. In fact, non-compliance structural defects are sometimes identified in homes less than 12 months old.
During a structural inspection, the following areas are assessed wherever accessible:
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Interior and exterior of the building
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Roof cavity
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Sub-floor
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Garage
Due to access limitations, not every part of a roof or subfloor can always be inspected. Low roof pitches, ducting, or air-conditioning systems may restrict safe entry.
Before each inspection, we issue a pre-inspection agreement outlining the Australian Standard AS 4349.1 requirements for access. This ensures you know exactly what areas can be inspected and how the report will be prepared.
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Master Building Inspectors provides a prompt, professional service. We can generally schedule an inspection with a few days notice.
Once the client's details are provided, we contact the estate agent to arrange access to the property. This saves the purchaser the unnecessary headache of arranging the inspection!
Master Building Inspectors: Building Inspections Perth
The building inspection industry in Perth is currently unregulated, which means anyone can call themselves an inspector — even without formal qualifications. This makes it vital to ensure your inspector is suitably experienced and properly trained.
At Master Building Inspectors, all inspections are carried out by licensed builders with extensive construction backgrounds. Unlike unqualified operators, we have the technical expertise to identify structural defects, safety issues, and poor workmanship.
Before booking, we always recommend verifying your inspector’s credentials. Choosing a licensed builder gives you confidence that your property is being assessed by someone who understands Australian Standards, the NCC, and Perth’s construction methods.
QUALIFIED, REGISTERED BUILDERS
OUR BUILDING INSPECTORS HAVE A MINIMUM OF 25 YEARS CONSTRUCTION EXPERIENCE
PRE-PURCHASE STRUCTURAL BUILDING INSPECTIONS BUILDING INSPECTIONS PERTH
From $480
Why Choose Master Building Inspectors?
When booking a building inspection, qualifications and experience matter. At Master Building Inspectors, every inspection is carried out by licensed professionals with proven construction expertise. Our clients benefit from complete peace of mind knowing their property is assessed by trusted Perth experts.
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✅ All inspectors are qualified, registered builders with the WA Building Commission.
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✅ Fully insured with Public Liability and Professional Indemnity cover underwritten by Lloyd’s of London.
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✅ Inspectors with trade backgrounds and years of hands-on construction experience.
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✅ Every inspector has undertaken specialist training in inspection and reporting standards.
Importance of Registered Builders Conducting Building Inspections
When booking a structural pre-purchase building inspection in Perth, it’s essential to ensure the inspection is carried out by a registered builder. Unlike unqualified inspectors, registered builders have the training, knowledge, and hands-on construction experience to assess the true structural integrity of a property.
A licensed builder can identify defects, safety hazards, and hidden issues that may otherwise go unnoticed. This expertise gives you confidence that the inspection report is accurate, detailed, and compliant with AS 4349.1 standards.
By engaging Master Building Inspectors, you can proceed with peace of mind knowing that your property has been assessed by experienced, fully insured, registered builders. Our reports are clear, photo-documented, and delivered within 24 hours, empowering you to make informed property decisions.
Contact Master Building Inspectors for affordable, independent inspections across Perth.
For Perth homeowners seeking detailed reports, our Building Inspections Perth page has everything you need.
Our services include:
– Pre-purchase and structural inspections
– Building and pest reports
– Practical completion (PCI) and new home inspections
– Owner builder and home warranty inspections
– Renovation advice and detailed property inspections
We proudly service all Perth metro areas with AS 4349.1 compliant reports delivered in 24 hours.
📞 Contact Master Building Inspectors today on 1300 852 496




