Building and Pest Inspection Guide for Australian Buyers

A buyer's walkthrough and a professional inspection do different jobs. Your walkthrough helps you decide whether to keep investigating. A building report records the condition of accessible parts of the property within an agreed scope; a pest report addresses timber-pest questions. Neither report is a guarantee that the home is defect-free.

The NSW Government's inspection-report guide is particularly clear about scope and limitations. It says a standard building report should identify the areas inspected and excluded, summarise major faults and recommend further specialist assessment where needed. It is not a certificate of legal compliance, a warranty against future problems or automatically a repair-cost estimate.

Building and pest reports are separate checks

A building inspection commonly considers visible, accessible parts of the building and site for significant defects or safety concerns. A pest inspection is a separate assessment for timber pests such as termites. A provider may offer both, but confirm that each report has its own scope, findings and exclusions.

ASIC's Moneysmart buying guide describes building and pest reports as part of pre-purchase checking. It does not make every type of report suitable for every property. Apartments may also require strata or owners-corporation records; unusual cracking, drainage, electrical, plumbing, asbestos or boundary questions may need a relevant specialist.

Choose an independent inspector

Do not assume a provider is regulated under one national “building inspector” licence. Ask the regulator for the property's state or territory whether a registration or occupational licence applies to the work, verify any credential on the relevant register and do not rely on a generic badge.

Consumer Affairs Victoria recommends a qualified building inspector, surveyor or architect and an inspection service with professional indemnity insurance. It also cautions buyers to consider whether a report supplied by the seller or agent is independent. In NSW, the government guide similarly recommends a suitably qualified, adequately insured person.

Agree the scope before booking

Access determines what can be inspected. Ask the agent or seller what areas will be available, then ask the inspector to state in writing what the engagement includes. Do not enter a roof void, subfloor or other unsafe area yourself to compensate for an access limitation.

Book at the right stage

The safest timing depends on the sale method and written contract. For an auction, obtain legal advice and the reports you need before bidding: Moneysmart says there is no cooling-off period when buying at auction and the sale is not subject to finance or a building or pest inspection. The South Australian Government inspection guide likewise tells auction buyers to arrange building and pest inspections before auction day.

For a private sale, do not assume you can wait for a cooling-off period. Rights, deadlines, penalties and contract conditions vary. Ask your solicitor or conveyancer to confirm whether an inspection condition should be negotiated and exactly when a notice or report would be due.

Read the report in the right order

1. Confirm identity and scope. Check the address, date, purpose, areas included and who performed the work.
2. Read every exclusion. An inaccessible roof, crowded room or concealed boundary may leave a significant evidence gap.
3. Separate observations from conclusions. Note what was seen, how important the inspector considers it and whether the cause remains uncertain.
4. List referrals. A recommendation for an engineer, electrician, plumber, surveyor, asbestos professional or other specialist is work still to be completed, not a resolved issue.
5. Ask about timing and consequence. Request clarification of any urgent safety issue and what further evidence is needed before you make a purchase decision.

Do not attach a generic repair price to a defect label. The NSW guide says a standard report is not intended to estimate repair costs; a special-purpose report may be needed. Obtain property-specific quotes from the appropriate trade or professional if cost will affect your offer.

Decide the next check

A report can support a decision to investigate further, revise an offer, seek a written contract change or walk away. Whether any of those options is available depends on the sale stage and contract. Give the report to your solicitor or conveyancer before relying on it in negotiations.

If a report supplied by the seller is available, read its client, date, scope, exclusions and reliance terms. The NSW and Victorian guidance both distinguish a seller-supplied report from a buyer's own independent report. Ask your adviser whether commissioning your own report is appropriate.

For observations you can safely record yourself, use the open-home inspection checklist. General information only; obtain property-specific technical and legal advice. Last substantively updated 24 August 2026.