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Buying Process9 min read

Your Complete Auction Day Guide

How to bid with confidence and avoid costly mistakes

Your Complete Auction Day Guide

How Property Auctions Work

Property auctions are a well-established method of buying real estate in several countries. They are especially common in Australia (particularly in Sydney and Melbourne), in England and Wales, and in parts of New Zealand and Scotland. In the USA and Canada, auctions are less common for standard residential sales but are widely used for foreclosures, estate sales, and luxury properties. An auction is a public sale where registered bidders compete by making increasingly higher bids on a property. The highest bidder, provided the bid meets or exceeds the vendor's reserve price, wins the right to purchase the property.

Auction rules are governed by local legislation and can vary significantly between jurisdictions and countries. In Australia, rules differ by state and territory. In England and Wales, property auctions follow guidelines set by the Royal Institution of Chartered Surveyors (RICS). In the USA, rules vary by state and auction house. In most jurisdictions, auctions must be conducted by a licensed auctioneer, bidders must register before the auction begins, and the process must follow prescribed procedures regarding bid increments, vendor bids, and the declaration of the property as being on the market.

One of the most important things to understand about auctions is that in many jurisdictions, there is no cooling-off period for auction purchases. This is the case in most Australian states, in England and Wales, and in many US states for foreclosure auctions. When the hammer falls and you are the successful bidder, you are unconditionally committed to buying the property. You must sign the contract immediately and pay the deposit (the amount varies by jurisdiction, but is typically 10% in Australia and the UK). There is no opportunity to change your mind, renegotiate, or make the purchase subject to finance or building inspections.

No Cooling Off

In many jurisdictions, including NSW, Victoria, and most other Australian states, as well as England and Wales, auction sales have no cooling-off period. Once the hammer falls, you are legally bound. This means all due diligence, including building inspections, pest inspections, title searches, and finance approval, must be completed BEFORE auction day. Always check the rules in your specific jurisdiction.

The auction campaign typically runs for three to six weeks before the auction date, depending on the country and market. During this period, the property is marketed through open inspections, online listings, and the agent's buyer database. The agent may provide a price guide or quoted range to help set buyer expectations, though this range does not necessarily reflect the vendor's reserve price. Understanding the difference between the quoted range and the likely selling price is a key skill for auction buyers.

Before Auction Day

The work you do before auction day is far more important than what happens on the day itself. Your preparation should begin weeks in advance and cover three critical areas: due diligence on the property, financial preparation, and research on the local market and auction process.

Due diligence means thoroughly investigating the property before you commit to buying it. Because there is typically no cooling-off period at auction, you cannot make the purchase conditional on a satisfactory building inspection, pest inspection, or title search. These must all be completed beforehand, at your own cost. In Australia, a building and pest inspection typically costs $400 to $800 AUD. In the UK, a homebuyer's survey ranges from 400 to 1,500 GBP depending on the level of detail. In the USA, a home inspection typically costs $300 to $500 USD. While this is money you may lose if you do not win the auction, it is a small price compared to discovering major structural issues after you have bought.

  • Arrange a building and pest inspection (or homebuyer's survey in the UK) before auction day
  • Obtain a strata report or equivalent title search for units or townhouses
  • Have your solicitor, conveyancer, or real estate attorney review the contract of sale
  • Secure pre-approval for your home loan with adequate borrowing capacity
  • Confirm your deposit is accessible on auction day (bank cheque or electronic transfer)
  • Attend other auctions to observe the process and build confidence
  • Research recent sale prices of comparable properties in the area

Financial preparation is equally critical. You must have pre-approval from your lender for at least the amount you plan to bid, ideally with some headroom above your expected maximum. Confirm that your deposit funds are available in the required form. Most agents accept personal cheques, bank cheques, or electronic transfers on auction day, but check with the agent in advance to confirm their requirements.

Tip

Attend three to five auctions as an observer before you bid on one yourself. This gives you a feel for the pace, the auctioneer's tactics, and the psychology of bidding. You will be much calmer and more strategic when it is your turn to bid.

Have your solicitor, conveyancer, or real estate attorney review the contract of sale before the auction. They can identify any unusual conditions, easements, encumbrances, or issues that might affect your decision to buy. In many jurisdictions, the vendor is required to make the contract available for inspection before the auction. Do not skip this step, as contractual issues discovered after the auction can be costly and legally complex to resolve.

Make sure your pre-approval is in order before auction day

Setting Your Maximum Bid

Setting a firm maximum bid before auction day is perhaps the most important thing you can do. The auction environment is designed to be exciting and competitive. Auctioneers are skilled at creating urgency and momentum that can push bidders beyond their comfort zone. Without a clear, predetermined limit, it is dangerously easy to get caught up in the moment and pay more than you can afford.

Your maximum bid should be based on three factors: what you can afford (determined by your pre-approval amount and comfortable repayment level), what the property is worth (determined by your research into comparable sales), and your total purchase costs (including stamp duty, legal fees, inspection costs, and moving expenses). The amount you bid is not the total cost of buying the property, so make sure you factor in all additional expenses.

Do Not Exceed Your Limit

Decide on your absolute maximum bid before auction day and write it down. Share it with your partner or a trusted person who will attend with you. The emotional intensity of an auction can override rational thinking. Having someone beside you to hold you accountable to your limit is invaluable.

When calculating what the property is worth, look at recent sales of comparable properties in the same area, not just listing prices. Listing prices reflect what sellers hope to achieve, while actual sale prices reflect what buyers are willing to pay. Online property databases can help you benchmark a property's market value. In Australia, platforms such as CoreLogic, Domain, and REA Group are widely used. In the USA, Zillow, Redfin, and Realtor.com provide comparable sales data. In the UK, Rightmove and Zoopla offer similar tools.

Consider the gap between the agent's quoted price range and the likely sale price. In competitive markets, properties frequently sell above the quoted range, sometimes significantly so. A property quoted at $800,000 to $850,000 may attract bids well into the $900,000s in a hot market. Understanding local market conditions and recent auction clearance rates will help you set realistic expectations and a sensible maximum bid.

Finally, your maximum bid should be an amount where, if another bidder goes one dollar higher, you can walk away without regret. If you find yourself thinking "I wish I had bid just a little more," your maximum was probably set too low. But if exceeding your limit would cause financial stress, difficulty meeting repayments, or sacrificing other important financial goals, then walking away is absolutely the right decision.

Use our borrowing power calculator to confirm your comfortable limit

Bidding Strategies

There is no single "best" bidding strategy, but understanding common approaches can help you develop a plan that suits your temperament and the specific auction. Different strategies work in different situations, and the best bidders adapt their approach based on how the auction unfolds.

Opening Bid Strategy

Place a strong opening bid to set the tone and discourage weaker bidders. This works best in a less competitive auction with fewer registered bidders. It signals confidence and can sometimes scare off less committed buyers who were hoping for a bargain.

Late Entry Strategy

Hold back and let other bidders compete, then enter with a strong bid when momentum slows. This allows you to observe the competition and gauge how determined other bidders are. It can be psychologically deflating for existing bidders who thought they were about to win.

Bid increments are an important tactical tool. While the auctioneer will typically suggest increments of $10,000 or $5,000, you are not obligated to bid in those amounts. You can bid in any amount above the current bid, including odd numbers like $1,000, $2,000, or even $500. Smaller increments can slow the auction's momentum and signal to other bidders that you are approaching your limit, which may encourage them to drop out. However, very small increments can also prolong the auction and frustrate both the auctioneer and other bidders.

Tip

Bid with confidence regardless of your strategy. State your bids clearly and loudly. Make eye contact with the auctioneer. Hesitant, quiet bidding can be interpreted as uncertainty, while confident bidding projects strength and may discourage competitors.

Some experienced bidders use knock-out bids, which are dramatically large bids designed to jump over several expected increments and stun the competition. For example, if bidding is at $850,000 and moving in $5,000 increments, a knock-out bid of $900,000 sends a clear message that you are serious and have significant capacity. This can be effective but is also risky if the other bidder is equally determined.

Whatever strategy you choose, remember that discipline trumps tactics. The bidder who sticks to their predetermined maximum and stays calm under pressure will make a better financial decision than the one who deploys clever tactics but gets swept up in the emotion and overpays. Your strategy should serve your budget, not the other way around.

Vendor Bids and Reserve Prices

Understanding vendor bids and reserve prices is essential for navigating an auction. The reserve price is the minimum amount the vendor is willing to accept. It is set before the auction and is not disclosed to bidders. If bidding does not reach the reserve, the property is "passed in" and the vendor is not obligated to sell. The reserve price is different from the quoted price guide, which is an estimate provided by the agent to attract buyer interest.

A vendor bid is a bid made by the auctioneer on behalf of the seller. Vendor bids are used to advance the bidding when there is insufficient interest from genuine bidders or to move the bidding toward the reserve price. In jurisdictions where vendor bids are permitted, they must typically be clearly announced by the auctioneer, who will say something like "I am placing a vendor bid of..." The rules around vendor bids vary by jurisdiction. In Australia, they vary by state, and some states limit the number that can be placed. In the UK, vendor bids are not generally permitted. In the USA, the rules depend on the auction house and state law.

Did You Know?

Vendor bid rules vary by jurisdiction. For example, in New South Wales (Australia), the auctioneer can make vendor bids up until the property reaches its reserve price but must announce each one, while in Victoria (Australia), only one vendor bid is allowed. Understanding the rules in your jurisdiction helps you distinguish between genuine bidder interest and artificial price increases.

When the bidding reaches the reserve price, the auctioneer will declare the property "on the market," meaning it will definitely be sold to the highest bidder. This is a pivotal moment in the auction. Before this declaration, the vendor can still withdraw the property. After it, the sale is proceeding. Pay attention to this announcement, as it confirms the property will sell and you need to be prepared if you want to compete for it.

The relationship between the price guide and the reserve price is a common source of frustration for buyers. In many jurisdictions, agents are legally required to provide a realistic price guide based on comparable sales, but in practice, properties frequently sell above the quoted range. Some regulators have cracked down on underquoting, where agents deliberately quote a low price range to generate interest and draw crowds to the auction. If you believe the quoted range is unrealistically low based on your own research, factor this into your strategy and budget accordingly.

If the Property Passes In

If bidding does not reach the reserve price, the auctioneer will pass the property in, meaning it has not sold at auction. This is not the end of the story. The highest bidder at the time the property is passed in gets the first right to negotiate with the vendor. This is a significant advantage and can result in purchasing the property at a price below the reserve.

Negotiations after a passed-in auction typically take place immediately. The agent will invite the highest bidder (or sometimes the only bidder) to a private room or area to discuss terms. The vendor may reduce their reserve price, the buyer may increase their offer, or both may meet somewhere in the middle. Because the vendor has just experienced the disappointment of the property not selling, they may be more flexible than they were before the auction.

Negotiation Advantage

If the property passes in to you, do not rush to increase your bid dramatically. The vendor now knows that the market has spoken and the reserve was set too high. You have leverage. Start with a modest increase above your highest auction bid and negotiate from there.

If negotiations with the highest bidder fail, the agent will typically contact other registered bidders and interested parties to gauge their interest. The property may then be offered for sale by private treaty (standard sale with negotiation), giving you the opportunity to make an offer with conditions such as finance and building inspection clauses, which are not available at auction.

A passed-in result can actually be advantageous for buyers. You may be able to secure the property at a lower price than it would have achieved at a competitive auction, and if the sale proceeds by private treaty, you gain the protection of a cooling-off period and the ability to include conditions in the contract. If the property passes in and you are interested but were not the highest bidder, contact the agent promptly to express your interest and make an offer.

It is worth noting that not every passed-in property represents a bargain. Sometimes properties pass in because there are genuine issues that deterred buyers, such as structural concerns, unfavourable strata by-laws, or an inflated vendor expectation that is unlikely to change. Continue to exercise the same due diligence in post-auction negotiations as you would at any other time.

Cooling Off and Contracts

As mentioned, auction purchases in most jurisdictions do not have a cooling-off period. The contract becomes binding the moment the hammer falls and you are declared the successful bidder. You will be required to sign the contract of sale immediately and pay the deposit (the amount varies by jurisdiction). This is why it is essential to have your solicitor or attorney review the contract before the auction and to have your deposit funds ready and accessible.

For properties purchased before or after the auction (but not at the auction itself), cooling-off periods do apply in many jurisdictions. The length and terms vary. For example, in NSW (Australia), the cooling-off period is five business days; in Victoria (Australia), it is three business days; in Queensland (Australia), it is five business days. In England and Wales, either party can withdraw before exchange of contracts. In the USA, contingency periods serve a similar function. During a cooling-off period, you can typically withdraw from the contract, though you may forfeit a small percentage of the purchase price as compensation to the vendor.

JurisdictionCooling Off (Private Treaty)Cooling Off (Auction)Forfeiture if Cooling Off Used
NSW (Australia)5 business daysNone0.25% of purchase price
VIC (Australia)3 business daysNone0.2% of purchase price
QLD (Australia)5 business daysNone0.25% of purchase price
WA (Australia)No statutory cooling offNoneN/A
SA (Australia)2 business daysNone$100 or as specified
England & WalesUntil exchange of contractsNoneDeposit at risk
New Zealand5 business days (if unconditional)NoneVaries
USA (varies by state)Contingency period (typical 7-17 days)VariesEarnest money at risk

The contract of sale contains critical details including the purchase price, settlement or closing date, any special conditions, inclusions (fixtures and fittings that come with the property), and the deposit amount. Your solicitor, conveyancer, or real estate attorney should explain all the terms to you before you sign. Pay particular attention to the settlement period (typically 30 to 90 days, though this varies by country), as this is the timeframe in which you must arrange finance, complete any remaining inspections, and prepare for the property transfer.

Contract Review is Essential

Never sign a contract of sale without having it reviewed by a qualified solicitor or conveyancer. Contracts can contain clauses that significantly affect your rights, obligations, and costs. A professional review before auction day is a non-negotiable part of your preparation.

If you are buying at auction and your pre-approval is not yet converted to unconditional approval, understand that you are taking a calculated risk. While most pre-approvals convert successfully, there is no guarantee. If finance falls through after an auction purchase, you are still legally bound by the contract and could lose your deposit or face legal action. This is why robust pre-approval and conservative bidding within your confirmed borrowing capacity are so important.

Post-Auction Checklist

Winning at auction is exhilarating, but the work is not over when the hammer falls. There are several critical steps you need to take immediately and in the weeks following to ensure a smooth path to settlement. Being organised and proactive during this period will reduce stress and minimise the risk of complications.

  • Sign the contract of sale and pay the deposit on auction day
  • Notify your lender or broker immediately to begin the formal approval process
  • Provide the signed contract to your solicitor, conveyancer, or real estate attorney
  • Arrange building insurance from the date of the contract (in some jurisdictions, risk passes to the buyer at exchange)
  • Begin the settlement or closing process with your legal representative
  • Organise a pre-settlement inspection to check the property condition before handover
  • Arrange utilities transfer (electricity, gas, water, internet) for settlement day
  • Plan your move and arrange removalists if needed

The most time-sensitive task is notifying your lender. Your pre-approval needs to be converted to formal (unconditional) approval, which requires the lender to value the specific property and confirm the final loan terms. This process can take one to three weeks depending on the lender and property type. Providing the signed contract to your broker or lender as soon as possible starts the clock on this process.

Building insurance is another urgent priority. In some jurisdictions, such as NSW in Australia, the risk of damage to the property transfers to the buyer at the point of exchange (when contracts are signed). If the property suffers damage between exchange and settlement and you do not have insurance, you may bear the loss. Arrange cover from the day of the auction to be safe.

Tip

Schedule your pre-settlement inspection for two to three days before settlement. This gives you time to raise any issues, such as damage or missing inclusions, with the vendor through your solicitor before the final handover.

Settlement day (or closing day, as it is known in the USA and Canada) is when the property officially becomes yours. Your lender transfers the loan funds to the vendor's legal representative, the title is transferred into your name, and you receive the keys. Your solicitor, conveyancer, or closing agent manages this process on your behalf. Once settlement is complete, congratulations: you are a homeowner.

Buying at auction can feel overwhelming, but with thorough preparation, a clear budget, and the right professional support, it is a well-trodden path that property buyers around the world navigate successfully every week. The key is to do your homework, stay disciplined, and approach the process with confidence.

Make sure you have budgeted for all the hidden costs of buying

Disclaimer

The information in this article is general in nature and does not constitute financial, legal, or professional advice. Every individual's financial situation is different. We strongly recommend consulting a qualified mortgage broker, financial adviser, or legal professional before making any decisions about home loans or property purchases. Lending criteria, government schemes, and regulations may change — always verify current details with the relevant provider or authority.