Reading the auction market as a buyer
Market headlines move every week. Your decision is about one property on one Saturday. Here’s how to turn general market signals and specific sales evidence into a price you can stand behind.
Clearance rates: useful, but broad
The weekly clearance rate is the share of reported auctions that sold. It’s a good read on overall buyer competition in a city. But it mixes every suburb and price point together, and late or unreported results can shift it. Use it as background, not as evidence about the home you’re bidding on.
Comparable sales do the heavy lifting
The most useful evidence is recent sales of homes like the one you want: same suburb or a close neighbour, similar land and floor area, similar condition, sold in the last few months. Note what each one sold for and how it sold. Was it at auction, before auction, or after passing in? Then adjust up or down for the differences. Out of that comes your property ceiling.
Suburb context
Socio-economic measures, recent capital-city price movements and similar postcodes help you understand why a suburb trades the way it does. BidAI’s suburb insights tool explains these figures in plain English for any Australian postcode.
From evidence to a bidding limit
Market evidence tells you what a property is likely to sell for. Your budget tells you what you can pay. Keep the two separate and use the lower as your walk-away number. See how BidAI works.
State rules shape the evidence you get
What the agent can tell you depends on the state. Victorian agents provide a Statement of Information with an indicative price. NSW agents give price guides that must be reasonable. Queensland agents can’t give a price for auction properties at all. Read the city guides for the details: Melbourne, Sydney, Brisbane.
Frequently asked questions
What does an auction clearance rate tell me?
The share of reported auctions that sold, including just before or after the auction. A high rate suggests strong buyer demand that week, but it’s a citywide average and says little about any single property.
How many comparable sales should I use?
At least three recent sales of genuinely similar homes nearby. Adjust for differences in land size, condition, parking and position, rather than averaging blindly.
Should I bid if a property passes in?
If the property passes in below the reserve, the highest bidder usually gets first right to negotiate. Stick to your walk-away number in that negotiation, just as you would in the bidding.
Work out your walk-away number
Use the free walk-away price calculator to see the most you can bid once stamp duty and buying costs are covered.