Neglecting a professional appraisal can lead to incorrect pricing and undervaluation.

Updated 1 November 2026

Contract for Sales - Seller’s Most Asked Questions #21: What is a property appraisal?

What is a property appraisal in NSW?

A property appraisal is an agent’s estimate of a property’s likely selling price, informed by comparable sales, location, condition and market demand. It helps a seller plan a campaign and assess offers. It does not guarantee the sale price or replace a formal valuation required for a particular legal or financial purpose.

Ask for the appraisal in writing, including the evidence and assumptions supporting it. A realistic estimate helps you plan your next purchase, but your available proceeds will also depend on the mortgage payout, agent’s commission, selling expenses and any applicable tax.

How does an appraisal differ from a valuation or land value?

An appraisal, a formal valuation and a statutory land value answer different questions. Before relying on a number, identify who prepared it, what property interest it covers, its date and its purpose. None should be assumed interchangeable simply because each describes a value connected with the same address.

What evidence should support a property appraisal?

An appraisal should explain how relevant sales compare with the property being sold. Land size, building condition, layout, parking, location and sale dates can materially affect the comparison. Asking prices show sellers’ expectations; completed sales provide different evidence. An attractive headline estimate needs an explanation that can be tested.

Request the comparable properties’ addresses, sale dates and prices. Ask why a renovated home, larger block or different school catchment is relevant. Discuss buyer feedback and competing listings as the campaign progresses, and revisit assumptions when new evidence makes the original estimate unreliable.

How should a seller choose an agent or valuer?

Check an agent’s NSW licence and relevant local experience before signing an agency agreement. For a formal valuation, engage a suitably qualified, independent valuer with experience in the property type and intended purpose. Professional certification helps identify qualifications, but it should be checked alongside the proposed scope and any conflicts.

Use the Service NSW licence check and the Australian Property Institute directory. Certified Practising Valuer is a professional certification. NSW’s former statutory valuer registration scheme ended on 1 March 2016; describing every valuer as a NSW “licensed valuer” is therefore misleading. Confirm fees and professional indemnity cover.

What should a formal valuation report specify?

A formal valuation should identify its client, intended users, purpose, valuation date, property interest, assumptions and limitations. It should explain the evidence and reasoning behind the opinion. Confirm that the person or institution requiring the valuation will accept the engagement before paying for a report prepared for a different purpose.

The API valuation quality protocol explains the importance of clear instructions, competent investigation and transparent reporting. Ask about inspection scope, comparable sales and restrictions on reliance. A lender’s report may serve the lender alone; a privately commissioned valuation does not automatically bind a lender, Revenue NSW or a court.

Does an appraisal confirm building condition or development potential?

An appraisal may consider visible condition and possible development potential, but it does not certify structural safety, pest status or planning approval. Building inspections, pest reports and specialist investigations serve separate purposes. Any price premium attributed to redevelopment should be tested against planning controls, title restrictions, approval requirements and financial feasibility.

Keep building and pest inspections separate from price advice. A section 10.7 planning certificate provides specified planning information; it does not itself approve a subdivision or additional dwelling. Supply relevant approvals, defect reports and other documents to the professionals assessing the property, and seek advice on required disclosures.

Why check the title and the correct ownership entity?

A price assessment must relate to the property and interest actually being sold. Have your lawyer obtain an up-to-date title search and confirm the registered owner’s correct name or entity. Registered mortgages, caveats, easements and leases can affect the transaction and may require further documents, investigation or arrangements before settlement.

A title search does not reveal every unregistered interest or physical defect. Give your lawyer relevant leases, notices and ownership documents, including company, trust or estate information where applicable. Clarify any assumption that the property will be sold with vacant possession or free of an identified restriction.

What if appraisals or online estimates disagree?

When estimates differ, compare their evidence, dates, inspection scope and assumptions before choosing a figure. An online estimate may miss renovations, defects, tenancy terms or unusual title features. Selecting the highest appraisal, or averaging inconsistent figures, does not resolve the underlying disagreement about the property or its likely market response.

Ask each professional to explain the difference using the same facts. A formal valuation may be useful where the stakes justify the cost or an independent assessment is required. The Valuer General’s land value excludes the home and other structural improvements, so it is not a substitute whole-property estimate.

What pricing obligations currently apply to NSW agents?

As at 1 November 2026, an agent must include a reasonable estimated selling price in the agency agreement, support it with evidence and revise it when it is no longer reasonable. The estimate may be a single figure or a range, whose upper figure cannot exceed the lower figure by more than 10%.

Under the current pricing guidance, a $1 million–$1.1 million range meets that width requirement; $1 million–$1.2 million does not. The rule is not an accuracy allowance or sale-price guarantee. Agents must not advertise or quote below the estimate, and must notify sellers of revisions and amend the agreement.

What pricing changes start later in 2026 and 2027?

Further NSW pricing reforms commence after this article’s update date. From 17 November 2026, changes cover comparable-sales assessment, advertising, agency agreements and record keeping. From 8 February 2027, the Statement of Information requirement begins. Sellers planning campaigns across these dates should have their agent confirm which requirements apply and when.

The official commencement guidance states that the new estimation requirements cover agreements entered from 17 November, and earlier agreements whose estimate is revised from that date. These include a prescribed process for identifying comparable sales. Some enforcement and penalty reforms already commenced on 29 June 2026.

Does selling below an appraisal automatically establish a legal claim?

A disappointing sale price does not automatically establish negligence, misleading conduct or an entitlement to compensation. A lawyer must examine the representation or professional duty, the supporting evidence, reliance where relevant, causation and provable loss. Equally, a sale above the advertised guide does not by itself prove unlawful underquoting.

Preserve the appraisal, agency agreement, advertisements, correspondence, offers and any independent valuation. ACCC guidance explains misleading real estate representations, but the ACCC does not resolve individual disputes. NSW Fair Trading handles agent conduct complaints; obtain advice about separate remedies and time limits. A buyer obtaining a bargain is not automatically liable.

What does the Colliers case show about appraisals?

In Australian Equity Investors v Colliers International (NSW) Pty Limited (No 4) [2011] FCA 442, the Federal Court considered an agent’s sales appraisal for a proposed Crows Nest development. It declared misleading representations under the legislation then in force. This was a development appraisal dispute, rather than an ordinary home undervaluation claim.

The judgment concerned a gross realisation estimate of $6.25 million in development sales. It determined separate questions about the representations; it did not decide actual reliance or award compensation for the claimed losses. The practical lesson is to examine an appraisal’s evidence and assumptions, without treating this decision as a promise of damages whenever a property sells below expectations.

What should a seller do before relying on an appraisal?

Before listing, obtain written price advice, understand its limits and have your lawyer review the agency agreement and sale documents. Match any specialist valuation to its intended use. Keep a record of changes during the campaign, and assess offers against current evidence, contractual conditions and the amount you will actually receive.

• Verify the agent’s licence and the property details used.
• Investigate unexplained differences and unsupported development assumptions.
• Check title, inspection information, selling costs and timing.

Contact Christine Manolakos and CM Lawyers for advice on the legal documents, disclosure issues and any proposed response to an appraisal dispute.

General information only, current at 1 November 2026. Have a lawyer check your circumstances, transaction documents and proposed action before relying on this guide.

Key resources

• NSW Government pricing and underquoting guidance — reasonable estimates, evidence and seller notifications.

• NSW Fair Trading commencement guidance — changes starting in November 2026 and February 2027.

• Service NSW agent licence check — check a real estate agent’s licence details.

• API Certified Practising Valuers and professional directory — qualifications and finding a property professional.

• API valuation quality protocol — purpose, evidence, assumptions and report requirements.

• NSW Valuer General glossary — how statutory land value differs from whole-property value.

• NSW inspection reports and section 10.7 certificates — separate condition and planning checks.

• Australian Equity Investors v Colliers (No 4) [2011] FCA 442 — judgment on misleading appraisal representations.

• ACCC real estate guidance — misleading conduct and the limits of the ACCC’s role.

• CM Lawyers — Selling a property — contract preparation and conveyancing for NSW sellers.