Property Due Diligence Australia — Complete Buyer's Guide

Property Due Diligence Australia — Complete Buyer’s Guide

Due diligence is the process of thoroughly investigating a property before committing to purchase. In Australia, a contract of sale is typically binding — walking away after exchange is costly. Getting due diligence right before you sign protects you from costly surprises.

Why Due Diligence Matters

Unlike some overseas markets, Australian property law places significant responsibility on buyers to investigate the property themselves. The principle of caveat emptor (buyer beware) still applies to many aspects of property purchase. Sellers are not always required to disclose every material defect — particularly in private sale transactions.

The Due Diligence Checklist

Legal and Title

• Title search completed — confirm registered owner, mortgage/encumbrances
• Contract of sale reviewed by solicitor or conveyancer
• Easements and covenants identified and understood
• Any caveats noted and investigated
• Restrictive covenants reviewed (if applicable)

Planning and Zoning

• Section 10.7 (NSW) or equivalent planning certificate obtained
• Zoning confirmed — residential, mixed use, rural
• Overlay controls reviewed (heritage, flood, bushfire, vegetation)
• Any outstanding development applications on the land

Environmental and Physical Risk

• Flood overlay or flood zone status confirmed
• Bushfire Attack Level (BAL) rating checked (if applicable)
• Contamination search (if near industrial or former commercial use)
• Asbestos awareness (pre-1990 construction)

Building and Pest

• Building inspection completed by licensed inspector
• Pest inspection (termite) completed
• Pool safety compliance certificate (if pool present)

Strata (apartments and townhouses)

• Strata inspection report reviewed (levies, sinking fund, minutes, disputes)
• By-laws reviewed
• Special levies outstanding or proposed

Financial

• Finance pre-approval confirmed (do not sign without finance clause or confirmed approval)
• Stamp duty estimate obtained
• Rates, water, and body corporate levies confirmed

Articles in This Guide

• Property Due Diligence Checklist Australia
• Strata Inspection Report — What to Look For
• Title Search Australia — What It Is and How to Do It
• Section 10.7 Planning Certificate — What It Is and Why You Need It
• Easements and Covenants — What Property Buyers Need to Know
• Restrictive Covenants on Property — What They Mean
• Flood Zone Property — How It Affects Your Loan and Insurance
• Bushfire Zone Property — What Buyers Need to Know
• Heritage Overlay — Buying a Heritage-Listed Property
• Zoning Laws for Property Buyers — What the Zones Mean
• What Is a Caveat on Property?

Your Professional Team for Due Diligence

Related Mortgage Guides

• Mortgages Hub
• First Home Buyer Guide Australia
• Property Types and Mortgage Lending
• Stamp Duty Australia — State-by-State Guide

Building Inspection — What to Expect

A building inspection is carried out by a licensed inspector who physically examines the property for structural defects, moisture and water damage, roof condition, subfloor issues, and safety concerns. A thorough inspection report typically covers:

• Structural elements: Foundations, load-bearing walls, roof framing, floors
• Roofing: Condition of tiles or metal, gutters, flashings, and drainage
• Interior: Walls, ceilings, windows, doors, wet areas (bathrooms, laundry, kitchen)
• Exterior: Cladding, decks, retaining walls, driveway, paths
• Subfloor (if accessible): Ventilation, moisture, timber condition, piers

Inspections cost $400–$800 for a standard house and typically take 1.5–3 hours on site. The report should be accompanied by photos and follow the Australian Standard AS 4349.1. Always engage a licensed builder or building inspector — not a generic handyman.

What to do if defects are found: Minor defects are normal in any property. Major structural defects may justify renegotiating the price, requesting the vendor rectify issues, or walking away if the contract has a building inspection clause.

Pest Inspection — Understanding Termite Risk

A pest inspection (also called a timber pest inspection) identifies evidence of termite activity, timber damage, fungal decay, and other timber pests. It follows Australian Standard AS 4349.3.

Termites are present across much of Australia — particularly in QLD, NSW, VIC, SA, and WA coastal areas. They can cause severe structural damage that is not visible to the naked eye, which is why a professional inspection is essential. Inspectors use moisture meters, thermal imaging, and sounding rods to identify activity.

Termite damage is generally not covered by home insurance — it is considered a maintenance issue. If termite activity is found, rectification (treatment plus repair of damaged timber) can cost $5,000–$50,000 depending on severity.

Conveyancer vs Solicitor — Which Do You Need?

Both conveyancers and property solicitors can handle the legal side of a property purchase, but they have different qualifications and scope:

For a standard property purchase, a licensed conveyancer is sufficient and often cheaper. For complex transactions (off-the-plan, commercial components, significant legal risk, or disputes), a property solicitor provides broader protection.

Common Hidden Risks to Investigate

Beyond the standard checklist, experienced buyers also investigate:

Combustible cladding: Apartments and townhouses built between approximately 1994 and 2016 may have aluminium composite panels (ACPs) with a polyethylene core that poses a fire risk. Combustible cladding remediation can cost hundreds of thousands of dollars in strata contributions. Ask the strata manager directly and check any Fire Safety Orders on the property.

Illegal structures: Pergolas, decks, granny flats, pool fences, and garage conversions built without council approval are common. An illegal structure may need to be removed or retrospectively approved — at the buyer’s cost after purchase.

Pool compliance: All swimming pools in NSW, QLD, VIC, SA, and WA require a pool safety certificate or compliance certificate. Non-compliant pools must be rectified before or shortly after sale, which can cost $2,000–$10,000.

Contaminated land: Former dry cleaners, petrol stations, or industrial sites may have contaminated soil. A contamination search through the relevant state EPA registry is recommended for any property near historical commercial or industrial use.

Frequently Asked Questions

Do I need a building inspection for a new build?

Yes — even new properties can have defects. For a brand-new property, a pre-settlement inspection (final walkthrough with the builder before you take ownership) and a new construction defect inspection at 3–6 months are both recommended. Most states provide a statutory warranty period (typically 6–7 years for major structural defects) that builders must honour.

Can I use my conveyancer for all states in Australia?

Conveyancers are licensed by state — a NSW conveyancer cannot typically act in a QLD transaction. If you are purchasing property interstate, engage a local conveyancer or solicitor in the state where the property is located.

What is a Section 32 (or Vendor’s Statement)?

In Victoria, the vendor must provide a Section 32 statement containing material information about the property (title details, zoning, rates, outgoings, any notice of acquisition). Other states have equivalent documents (e.g., Section 10.7 planning certificate in NSW). Your conveyancer will review this document before you sign anything.

Due Diligence Checklist — Quick Reference

Before exchanging contracts on any Australian property purchase, ensure you have reviewed:

• Building and pest inspection report — completed by a licensed inspector
• Section 32 / vendor statement — reviewed by your conveyancer or solicitor
• Strata records report (strata/unit only) — admin and capital works funds, special levies, disputes
• Certificate of title — confirm no unusual encumbrances, covenants, or easements
• Council zoning and development overlays — check with local council and the state planning portal
• Flood and bushfire risk — check state government flood maps; insurer acceptance and premium impact
• Building or development approvals — confirm any extensions, structures, or pools are council-approved
• Outstanding rates, water charges, and land tax — your conveyancer adjusts these at settlement

Skipping any of these steps can result in discovering problems post-settlement that are expensive or impossible to rectify. The cost of due diligence ($500–$2,000 depending on property type) is a fraction of the cost of rectifying an undiscovered issue.

This hub provides general information about property due diligence in Australia. Due diligence requirements vary by state and property type. Always engage a licensed conveyancer or solicitor before signing a contract of sale. Find one through MoneySmart.