What Is ACL Section 18 in Real Estate? A Guide for Australian Agencies

This article is to outline the ACL section 18 compliance implications of posting misleading property listings in the Australian property market

Safe Listing AU

3/18/20262 min read

Introduction

Australian real estate agencies operate in one of the most highly regulated consumer environments in the world. At the centre of many compliance risks is Section 18 of the Australian Consumer Law (ACL).

For real estate professionals, understanding ACL Section 18 is not optional — it is essential.

This guide explains what Section 18 means for property listings, advertising, pricing, and AI-generated content.

What Is ACL Section 18?

Section 18 of the Australian Consumer Law states:

“A person must not, in trade or commerce, engage in conduct that is misleading or deceptive, or is likely to mislead or deceive.”

In real estate, this applies to:

  • Property listings

  • Online advertisements

  • Price guides

  • Social media promotions

  • Agent statements to buyers

  • AI-generated marketing descriptions

Importantly, intent does not matter. Even accidental misrepresentation can breach the law.

How ACL Section 18 Applies to Real Estate Listings

Property listings are one of the most common risk areas for compliance issues.

Examples of potential breaches include:

  • Overstating property features

  • Omitting known defects

  • Misleading price ranges

  • Suggesting development potential without basis

  • Using ambiguous wording that implies more than is factual

Even phrases like:

  • “Potential for subdivision”

  • “Strong rental return”

  • “Recently renovated”

Can create risk if not supported by evidence.

Underquoting and Price Representation

While underquoting is regulated under state property laws (such as NSW and VIC legislation), it can also intersect with ACL Section 18.

If a price guide is:

  • Unrealistic

  • Not supported by comparable sales

  • Designed to attract more buyers artificially

It may expose the agency to claims of misleading conduct.

This is especially relevant when AI tools are used to generate pricing descriptions automatically.

The Growing Risk of AI-Generated Listings

Many agencies now use AI tools to draft listing descriptions quickly.

While efficient, AI systems can:

  • Add embellishments

  • Infer features not confirmed

  • Use persuasive language that exceeds factual accuracy

Because Section 18 applies to “conduct,” agencies remain responsible for the final published content — regardless of how it was created.

AI assistance does not remove liability.

Real-World Consequences of Breaching Section 18

Breaches can result in:

  • ACCC investigation

  • State regulator action

  • Financial penalties

  • Enforceable undertakings

  • Reputation damage

  • Civil claims from buyers

Even when penalties are not extreme, reputational harm can impact vendor trust and buyer confidence.

How Agencies Can Reduce Risk

Practical steps include:

  • Verifying all factual claims in listings

  • Maintaining documentation of price justifications

  • Avoiding speculative language

  • Implementing internal compliance review processes

  • Reviewing AI-generated content before publication

Many agencies now introduce a structured review layer before listings go live.

Building a Safer Listing Process

As digital marketing accelerates, listing speed increases — but so does compliance exposure.

A safer workflow typically includes:

  1. Draft listing

  2. Compliance review

  3. Final approval

  4. Publication

This helps demonstrate “reasonable steps” were taken to prevent misleading conduct.

Final Thoughts

ACL Section 18 is broad, powerful, and highly relevant to Australian real estate agencies.

In a market increasingly shaped by digital advertising and AI tools, proactive compliance is not a luxury — it is a competitive advantage.

Agencies that build structured review processes reduce risk, protect reputation, and demonstrate professionalism.

About Safe Listing AU

Safe Listing AU helps Australian real estate agencies review property listings before publication to identify potentially misleading wording and compliance risks under ACL Section 18.

You can learn more at:

👉 https://safelisting.au/