Building and Pest Inspection Costs Explained
What building and pest inspections cost in Australia, what they catch, and why skipping one to save a few hundred dollars is the worst trade in property.
Termites don't knock — by the time you can see the damage, they've often been quietly eating the house for years, and repairs for serious structural damage can run into the tens of thousands.
The building and pest inspection is one of the smallest bills in the buying process, attached to one of the biggest risks — and it's the one buyers most often try to skip. Here's what it costs, what it finds, and the auction-day timing trap.
The price of opening the bonnet
A combined building and pest inspection on a standard home typically costs around $400 to $800. Larger, older or hard-to-access properties and capital-city postcodes push toward the top of that range; smaller and regional properties sit near the bottom.
The 'building' half is a qualified inspector checking the structure: roof, walls, footings, moisture, drainage, safety hazards. The 'pest' half hunts timber pests — termites above all — plus existing damage and the conditions that invite them, like moisture and timber touching soil.
You can buy each separately, but the combined report is the standard move and usually cheaper than two bookings.
What the report actually catches
A good inspector is a professional pessimist with a moisture meter. The expensive problems they routinely surface:
- Active termites, or old termite damage hiding under fresh paint
- Structural movement — cracked footings, sagging rooflines, doors that no longer believe in their frames
- Roof problems: broken tiles, rusted sheeting, damaged waterproofing
- Water where it shouldn't be — leaking showers, rising damp, poor site drainage
- Dodgy renovations and safety hazards a weekend warrior left behind
The maths of skipping it
Skip the inspection and you save a few hundred dollars, guaranteed — in exchange for a small chance of a catastrophically large bill. Major termite damage or structural underpinning can genuinely reach $50,000 or beyond, and standard home insurance generally doesn't cover termite damage at all.
A bad report is also a bargaining chip. If the contract has a building and pest condition (a clause letting you exit or renegotiate on a bad result), a $15,000 repair finding can become a $15,000 price reduction. Few purchases in this process can pay for themselves so many times over.
🐜The uninsurable one
Home insurance policies almost universally exclude termite damage. The pre-purchase inspection isn't just due diligence — it's effectively the only termite cover you'll ever get.
The pre-auction timing trap
Buying by private sale is easy: make your offer subject to a building and pest condition, inspect after signing, renegotiate or walk if it's bad.
Auctions delete that safety net. An auction sale is unconditional — the hammer falls, you're bound, no cooling-off, no inspection clause. Whatever the house is hiding is now yours.
So at auction, the inspection has to happen before you bid — which means paying for reports on houses you might not win. Lose three auctions and you've spent well over a thousand dollars on other people's future homes. Still cheaper than winning one auction on a termite farm.
🔨Auction rule
Never bid on a property you haven't had inspected. If the entry fee of a pre-auction report feels steep, remember what you're bidding: hundreds of thousands of dollars, unconditionally.
Getting your few hundred dollars' worth
Choose your own inspector rather than leaning on a report the agent hands you — the agent works for the seller. Check the inspector is licensed and insured, and ideally attend the inspection: fifteen minutes walking the property with them teaches you more than fifty pages of PDF.
Read the report properly, too. Every house earns a list of defects; the skill is separating cosmetic grumbles from the words that cost real money — 'structural', 'active termites', 'major moisture'. Those are your cue to get quotes, renegotiate, or run.
FAQ
How much does a building and pest inspection cost?
Typically around $400 to $800 for a combined inspection on a standard home. Bigger, older or hard-to-access properties — and capital-city locations — push the price higher. Building-only or pest-only reports cost less, but the combined report is the usual choice.
Can I use the building report the real estate agent provides?
Treat it with caution. The agent is paid by the seller, so a report they supply isn't independent even when it's technically accurate. Commissioning your own licensed, insured inspector — who answers only to you — is the safer few hundred dollars.
What if the inspection finds problems?
In a private sale with a building and pest condition, you can typically renegotiate the price, ask for repairs, or walk away, depending on the clause. At auction there's no such exit — which is exactly why the inspection must happen before you bid, not after you win.
Run your own numbers
Sources: figures checked against ATO published rates and thresholds for FY2025-26 at the review date. See how we check our numbers.
⚠️ General information only — not tax or financial advice. Figures relate to FY2025-26 unless stated otherwise.