Auction Underquoting in Australia — How It Works, Why It Happens, and Your Rights

Auction underquoting remains one of the most contentious practices in Australian property markets, with Consumer Affairs Victoria receiving over 1,200 complaints about misleading price guides in the 2022-23 financial year alone. This represents a 15% increase from the previous year, highlighting how widespread the issue has become despite strengthening regulatory frameworks across multiple states.

The practice occurs when real estate agents advertise properties with price guides significantly below either the seller's reserve price or the agent's genuine estimate of the property's likely selling price. While regulatory bodies have implemented various disclosure requirements and penalty frameworks, enforcement remains inconsistent, and the fundamental incentives driving underquoting persist across Australia's major property markets.

How Auction Underquoting Works

Underquoting operates through a deliberate misalignment between advertised price expectations and actual selling intentions. Agents typically advertise properties with price guides that sit 10-20% below the seller's reserve price, creating an artificial sense of affordability that draws larger crowds to inspections and auctions.

The mechanism relies on generating competitive tension among bidders who initially believe they can afford the property. Once multiple parties have invested time and money in due diligence, they become psychologically committed to participating even when the actual bidding exceeds their original budget expectations. This dynamic can push final sale prices well above both the advertised guide and the seller's initial reserve price.

"The fundamental problem with underquoting is that it creates a false market entry point. Buyers make financial and emotional investments based on misleading information, then find themselves competing in a price bracket they never intended to enter." — Consumer advocacy research, 2023

Real estate agents benefit from this practice through higher commission payments, as final sale prices typically exceed advertised guides by substantial margins. Additionally, the increased competition generated by underquoting can accelerate sale timeframes and reduce marketing costs, as properties appear to offer better value relative to market conditions.

State-by-State Legal Framework

Each Australian state has developed distinct regulatory approaches to address underquoting, with varying degrees of enforcement and penalty structures.

New South Wales

NSW operates under a "continuous disclosure" model through the Property and Stock Agents Act 2002. Agents cannot quote prices below their genuine estimate of the property's selling price. When market feedback indicates the property will sell above the quoted range, agents must update their price guide within 24 hours.

The system requires agents to maintain written records justifying their price estimates, typically based on recent comparable sales within the local area. Fair Trading NSW can issue penalty notices up to $2,200 for individual contraventions, with more serious cases potentially reaching $110,000 in the NSW Civil and Administrative Tribunal.

Victoria

Victoria implemented the most comprehensive underquoting reforms through amendments to the Estate Agents Act 1980. The centrepiece is the Statement of Information, which agents must provide to prospective buyers showing three comparable sales that support the advertised price range.

These comparable properties must have sold within the previous six months, be located in the same suburb or adjoining suburbs, and share similar characteristics regarding land size, dwelling type, and property features. Consumer Affairs Victoria can impose penalties up to $25,000 for individuals and $125,000 for corporations that breach underquoting provisions.

Queensland

Queensland takes a different approach by requiring agents to provide price ranges rather than specific guide prices. Under the Property Occupations Act 2014, agents must quote prices as ranges with a maximum difference of 10% between the lower and upper bounds.

The Queensland system also requires agents to disclose their estimated selling price to the property owner in writing before marketing begins. While penalties exist for misleading conduct, enforcement has been less systematic compared to NSW and Victoria.

State	Primary Requirement	Documentation	Maximum Penalty
NSW	Quote genuine estimate	Written justification	$110,000
VIC	Statement of Information	Three comparable sales	$125,000
QLD	10% price range maximum	Written estimate to vendor	$44,000
SA	Disclose asking price	Vendor price confirmation	$35,000

Why Agents Continue Underquoting

Despite regulatory frameworks and potential penalties, underquoting persists due to structural incentives within the real estate industry and enforcement challenges.

The commission-based payment model creates direct financial incentives for agents to maximise sale prices. When underquoting generates additional bidders and competitive pressure, agents benefit from higher final sale prices through increased commission payments. This financial motivation often outweighs the relatively low risk of regulatory penalties.

Enforcement remains problematic across all states. Regulatory bodies typically rely on consumer complaints to identify potential breaches, creating a reactive rather than proactive monitoring system. The technical requirements for proving underquoting—establishing the agent's genuine price estimate at the time of advertising—can be difficult to verify after the fact.

Additionally, vendor expectations play a role. Property sellers often prefer marketing strategies that generate maximum exposure and bidder numbers, viewing underquoting as a legitimate tactic to achieve optimal sale outcomes. This alignment between vendor and agent interests reduces internal pressure for accurate price guidance.

Identifying Underquoting Before Attending Auctions

Buyers can employ several strategies to identify potential underquoting before investing time and money in property due diligence.

The most effective approach involves independent research using comparable sales data to verify advertised price guides. Buyers should analyse recent sales of similar properties within the same suburb, focusing on properties with comparable land sizes, dwelling types, and condition standards.

Direct questioning of the selling agent can also reveal inconsistencies. Specific questions should include: "What is the seller's reserve price?" "How many parties have inspected the property?" "What price feedback have you received from interested buyers?" Evasive or inconsistent responses often indicate potential underquoting.

"The pattern recognition approach works well for identifying systematic underquoting. If an agent consistently advertises properties 15-20% below their eventual sale prices, this suggests deliberate underquoting rather than market volatility." — Property market analysis, 2023

Observing attendance patterns at inspections provides additional intelligence. Properties generating unusually high inspection numbers relative to their advertised price range may indicate underquoting, particularly when comparable properties in higher price brackets attract fewer prospective buyers.

Your Rights When Underquoting Occurs

Buyers have specific recourse options when they encounter underquoting, though the effectiveness varies depending on jurisdiction and circumstances.

In NSW, buyers can lodge complaints with Fair Trading NSW, which has powers to investigate breaches and impose penalties. The complaint process requires evidence that the agent quoted below their genuine estimate, which can be established through documented price guidance and subsequent sale results.

Victorian buyers can contact Consumer Affairs Victoria, which operates a more systematic approach to underquoting investigations. The Statement of Information requirement provides clearer evidence trails, making it easier to establish whether advertised prices aligned with comparable sales data.

Beyond regulatory complaints, buyers may have civil remedies under Australian Consumer Law provisions relating to misleading and deceptive conduct. However, pursuing civil action requires demonstrating both financial loss and that the misleading conduct directly caused that loss, which can be difficult to establish in auction contexts.

Impact on Auction Clearance Rates

Systematic underquoting creates significant distortions in auction clearance rate statistics, masking the true performance of property markets across Australia.

When properties are underquoted, they often pass in at auction because bidding fails to reach the seller's reserve price. These passed-in properties are typically excluded from clearance rate calculations or counted as "withdrawn" rather than failed sales, artificially inflating apparent market strength.

The phenomenon becomes particularly pronounced during market downturns, when underquoting may increase as agents attempt to maintain buyer interest despite deteriorating conditions. This can create misleading impressions of market resilience when actual transaction volumes and successful sales rates are declining.

Research by CoreLogic suggests that systematic underquoting may inflate reported clearance rates by 5-8 percentage points in major capital city markets, with the distortion being most pronounced in Melbourne and Sydney where auction selling methods dominate.

Future Regulatory Direction

Regulatory bodies are exploring enhanced enforcement mechanisms and technology-based monitoring systems to address persistent underquoting issues.

Proposed reforms include real-time price monitoring systems that track advertised guides against final sale outcomes, automated breach detection algorithms, and increased penalty structures. Some jurisdictions are considering mandatory reserve price disclosure requirements, though this faces resistance from industry stakeholders who argue it may reduce competitive bidding dynamics.

The integration of property data platforms with regulatory monitoring systems may provide more systematic oversight capabilities, allowing authorities to identify patterns of potential underquoting without relying solely on consumer complaints.

While underquoting remains a persistent challenge across Australian property markets, evolving regulatory frameworks and increased buyer awareness are gradually improving price guidance accuracy. Understanding these dynamics enables both buyers and sellers to make more informed decisions about property transactions, reducing information asymmetries that have historically favoured real estate agents and vendors. The key for buyers remains conducting independent research, asking direct questions, and maintaining realistic expectations about competitive auction environments.