How to Read a Building Inspection Report
Learn how to understand the two defect classifications used in the report: major structural defects and minor defects, together with photographs, inspection limitations and recommended next steps.
Read the Report in Context, Not as a Simple Pass or Fail
A building inspection report records observed conditions, limitations and recommended next steps. In this report, findings are classified only as major structural defects or minor defects, and the full description explains their individual significance.
Start with the Scope, Summary and Limitations
Before focusing on individual defects, understand what inspection was ordered, which areas were included and whether access restrictions affected the result.
Confirm the Inspection Scope
A building-only inspection, combined building and pest inspection, construction inspection and practical completion inspection have different purposes.
Identify the Important Findings
Pay particular attention to major structural defects and any recommendation for prompt specialist review.
Read Every Limitation
A report can only address visible and accessible areas. Restrictions may materially affect how much could be observed.
List the Recommended Next Steps
Separate items needing repair, monitoring, quotations or further assessment by a qualified specialist.
How a Building Inspection Report Is Usually Structured
Report layouts vary, but most professional reports contain the same core information.
Inspection Details
Property address, inspection date, inspection type, weather, occupancy and other relevant site information.
Summary of Key Findings
A concise overview of major structural defects and the most relevant minor defects observed during the inspection.
Detailed Area Findings
Property-specific descriptions and photographs arranged by inspection area, system or building element.
Limitations and Exclusions
Areas that could not be entered, components that were concealed and services outside the agreed inspection scope.
Two Clear Defect Categories
Inspector Group reports use two defect classifications: major structural defects and minor defects. Read the full description and recommendation for each finding.
Major Structural Defects
Significant defects in a major structural element that may affect the building’s structural performance, stability or serviceability and may require substantial repair or specialist assessment.
Minor Defects
Defects that are not considered major structural defects. This category can include deterioration, damage, incomplete work, maintenance items, workmanship issues and normal age-related imperfections.
Understand the Location, Condition, Significance and Recommendation
A useful finding should tell you where the issue is, what was observed and what should happen next.
Significant Cracking to Load-Bearing Wall
Internal Load-Bearing Wall Near Hallway Opening
The location should allow the reader, tradesperson or specialist to identify the reported area.
Significant Stepped Cracking Was Observed
The description should state the visible cracking, its location and relevant characteristics without presenting an unconfirmed cause as fact.
Possible Structural Movement Requires Attention
The wording should explain why the condition may affect structural performance and why it has been classified as a major structural defect.
Structural Engineering Assessment Is Recommended
A structural engineer may need to determine the cause, extent and appropriate repair requirements.
Location
Check exactly where the item was observed and whether the photograph matches that area.
Observed Condition
Separate what was visually observed from possible causes or consequences that require further investigation.
Importance
Read why the condition matters and whether it may affect structural performance, stability, serviceability or durability.
Recommended Next Step
Note whether the report recommends repair, monitoring, quotation or further specialist assessment.
Why the Limitations Section Is Essential
A limitation does not automatically indicate a defect, but it identifies an area or component that could not be fully assessed.
Roof Exterior Access
Height, pitch, weather and surface condition may restrict access.
When the roof cannot be safely accessed, the report may rely on observations from ground level, a ladder edge or another safe vantage point. This provides less information than a complete walk-over inspection.
Roof-Space Restrictions
Small access openings, low clearance and insulation may limit movement.
The inspector may not be able to reach every roof-space area. Insulation, ducting, stored materials and framing can conceal components or create unsafe access conditions.
Subfloor Access
Low clearance, water, debris or restricted openings may prevent entry.
When the subfloor cannot be entered, supports, ventilation, moisture conditions and concealed damage may not be fully visible.
Furniture and Stored Items
Occupied or furnished homes can conceal surfaces and defects.
Furniture, floor coverings, appliances, cabinets and belongings can prevent access to walls, floors and other areas. The inspector does not normally move heavy or personal items.
Concealed Components
Finished surfaces prevent direct inspection of cavities and hidden services.
A visual inspection does not involve opening walls, lifting fixed flooring or dismantling completed work. Concealed defects may therefore remain undetected.
Use the Photograph Together with the Written Finding
A photograph supports the report but may not show the full context, scale, depth or surrounding conditions.
Confirm the Location
Read the room, elevation or building-element description so you understand exactly where the image was taken.
Do Not Judge Scale from the Photo Alone
Perspective, zoom and lighting can make a defect appear larger or smaller than it did during the inspection.
Read the Description First
The written finding explains why the photograph was included and what action or further review is recommended.
Photographs Are Selective
A report may show representative examples rather than a photograph of every repeated or similar condition.
Hidden Damage May Not Be Visible
The photograph records the exposed surface. It does not establish what is concealed behind or beneath the material.
Compare with the Recommendation
The next step may involve repair, monitoring, quotation or specialist investigation beyond what the image can confirm.
Review Major Structural Defects Before Minor Defects
The two classifications help separate significant structural concerns from lower-level defects and maintenance items.
Major Structural Defects
Review these findings first. Obtain recommended specialist advice and quotations where necessary before making important property or contractual decisions.
Minor Defects
Review these individually and plan suitable repairs, maintenance or monitoring according to their condition, urgency and potential to deteriorate.
Why the Inspector May Refer an Item to a Specialist
A recommendation for further assessment is not a third defect classification. It means a major structural defect or minor defect requires expertise, testing, access or analysis beyond the visual inspection scope.
Why Further Assessment Is Needed
A visual inspector should not present uncertain causes as confirmed facts or provide specialist certification outside the agreed service.
Who May Be Recommended?
The appropriate specialist depends on the reported condition and the investigation required.
What to Avoid When Reviewing the Report
The report is most useful when findings are read calmly, completely and in the correct context.
Reading Only the Summary
The summary highlights priorities but does not replace the detailed findings and photographs.
Treating Every Minor Defect as Major
Minor defects commonly include maintenance items, imperfections, deterioration and age-related wear.
Ignoring Access Limitations
A clear result in accessible areas does not establish the condition of concealed or inaccessible components.
Assuming the Photograph Shows Everything
The image is supporting evidence and must be read with the location, description and recommendation.
Ignoring Further Assessment
A recommended specialist review may be necessary before the cost, cause or extent can be understood.
Using the Report as Contract Advice
The report describes property conditions. Contractual rights and decisions require separate advice.
It records visible and accessible conditions observed at a specific time. It does not guarantee that concealed defects are absent, determine the property’s market value or advise whether a buyer should proceed with a transaction. Contractual, financial and legal decisions require separate professional advice.
Understanding a Building Inspection Report
General guidance for property buyers, homeowners and people reviewing a construction or practical completion report.
Does a long report mean the property is in poor condition?
What is the difference between a major structural defect and a minor defect?
Why does the report recommend a specialist?
Why are inaccessible areas important?
Does the report confirm the cause of every defect?
Should every item be repaired immediately?
Can the report tell me whether to buy the property?
Need Help Understanding an Inspector Group Report?
Review the complete report, note the priority findings and contact Inspector Group for clarification about the observations, photographs and inspection limitations.