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Understanding the Meaning of Sunset Clause in Property Contracts

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Home > Blog > Understanding the Meaning of Sunset Clause in Property Contracts
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04/28/2026

Understanding the Meaning of Sunset Clause in Property Contracts

If you’ve been looking at property contracts in Queensland, you might have come across something called a Sunset Clause. It sounds straightforward enough, but depending on the type of contract you’re dealing with, it can mean very different things.

In simple terms, a sunset clause sets a deadline. If certain things haven’t happened by that deadline, someone gets the right to walk away from the contract. But who can walk away, and under what circumstances, depends on the situation.

Here’s what you need to know.

A Quick Summary

  • A sunset clause is a deadline built into a property contract
  • In off-the-plan contracts, it sets the date by which construction or registration must be completed
  • In standard residential contracts, it can allow the seller to accept a better offer if the buyer hasn’t gone unconditional
  • Queensland introduced reforms in 2023 to stop developers from misusing sunset clauses in off-the-plan land sales
  • Understanding the sunset clause in your contract is important before you sign

What is a Sunset Clause?

So, what is a sunset clause exactly?

To define a sunset clause, it’s simply a term in a property contract that sets a cut-off date. If certain conditions aren’t met by that date, either party may have the right to terminate the contract.

The meaning of the sunset clause varies depending on the type of contract. In off-the-plan purchases, it’s usually about giving the buyer a way out if the development takes too long. In standard residential sales, it’s often about giving the seller flexibility if the buyer’s purchase is conditional on selling their own property first.

Either way, the purpose is the same: to stop a contract from dragging on indefinitely without resolution.

Sunset Clauses in Off-the-Plan Contracts

When you buy off the plan, you’re purchasing a property that doesn’t exist yet, or at least isn’t finished. It might be an apartment in a building that’s still under construction, or a block of land in a subdivision that hasn’t been registered.

Because there’s no certainty about when the project will be completed, off-the-plan contracts include a sunset clause that sets a deadline for completion. If the developer can’t finish the project and register the title by that date, the buyer can terminate the contract and recover their deposit.

In Queensland, there are maximum timeframes set by law:

  • For apartments, units, and townhouses in a community titles scheme: 5.5 years
  • For vacant land in a subdivision: 18 months

Most developers set shorter timeframes than the maximum, often around three years for apartments. But it’s worth checking, because the contract may also include provisions that let the developer extend the sunset date under certain conditions.

A conveyancer in Cairns can review the sunset clause and explain what it means for your particular purchase.

The 2023 Reforms: Protecting Buyers From Misuse

A few years ago, there were stories of developers deliberately letting the sunset date pass so they could cancel contracts and resell the property at a higher price. The market had gone up, and buyers who had waited patiently for their new home were left empty-handed.

To stop this, the Queensland Government introduced reforms in November 2023 under the Land Sales Act. These changes apply to off-the-plan land sales (though not apartments in community titles schemes).

Under the new rules, a developer can only use a sunset clause to terminate a contract if:

  • The buyer agrees in writing, or
  • The developer gets an order from the Supreme Court

To get a court order, the developer has to show it would be “just and equitable” to terminate. Simply wanting to sell for a higher price won’t cut it.

These reforms give buyers more protection, but they don’t remove the need to read your contract carefully. A buyer’s solicitor can help you understand your rights and make sure the terms are fair.

Sunset Clauses in Standard Residential Contracts

Sunset clauses don’t just appear in off-the-plan contracts. They can also be added to standard residential sales, usually as a special condition.

The most common scenario is when a buyer makes an offer that’s subject to selling their own property first. This is called a “subject to sale” condition, and it can leave the seller in limbo for weeks or even months while the buyer tries to sell.

To protect themselves, sellers often include a sunset clause that allows them to keep marketing the property. If they receive a better offer, they can give the original buyer written notice and a short window, usually two or three business days, to either:

  • Make the contract unconditional and commit to the purchase, or
  • Walk away and have the contract terminated

If the buyer doesn’t respond in time, the contract ends, and the deposit is refunded.

This type of sunset clause is a balancing act. It gives the buyer time to sell their property, but it also gives the seller a way out if a stronger offer comes along.

If you’re buying with a subject to sale condition, a buyer’s conveyancer can explain how the sunset clause works and what your options are if the seller triggers it.

What “Better Offer” Actually Means

One thing that catches people off guard is that “better offer” doesn’t necessarily mean a higher price. It’s up to the seller to decide what counts as better.

An offer with fewer conditions, a shorter settlement period, or more certainty might be considered better even if the price is the same or lower. Sellers often prefer a clean, unconditional contract over a higher offer that’s loaded with risk.

If you’re the buyer, this means you’re not just competing on price. You’re competing on terms. And if you’re the seller, a seller’s conveyancer can help you weigh up offers and decide what’s actually in your best interest.

Why You Need to Read the Clause Carefully

Sunset clauses can be drafted in different ways, and the details matter. Some give only the buyer the right to terminate. Others give that right to both parties. Some have fixed deadlines. Others allow for extensions.

If you don’t understand what the clause says, you could find yourself locked into a contract longer than you expected, or out of one sooner than you’d like.

Before you sign any contract with a sunset clause, it’s worth having a solicitor in Cairns take a look. They can explain what the clause actually means, flag any unusual terms, and make sure you know what you’re agreeing to.

Remember: Seek Advice when You Need It

A sunset clause is designed to give certainty. It puts a limit on how long a contract can stay open and gives parties a way out if things don’t go to plan.

But like most things in property law, the devil is in the details. Whether you’re buying off the plan, selling with a subject to sale condition, or just trying to understand what you’re signing, it pays to get proper advice before you commit.

Disclaimer: This blog is intended for informational purposes only and does not constitute legal advice. For guidance tailored to your specific circumstances, please consult a qualified legal representative.