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A Little Knowledge Is a Dangerous Thing: Limitation Periods and Statutory Warranties

By Jack De Gioia
Managing Associate

21 April 2026

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“A little knowledge is a dangerous thing.”

As a result of the increased awareness around statutory warranties and defect claims pursuant to the Home Building Act 1989 (NSW) (the “Act”), many owners in strata know that claims for non-major defects generally expire two (2) years after building completion.

However, a common and potentially costly misconception remains: many owners believe that providing a defects report or notifying the builder or developer within that period is enough to preserve their statutory rights.

Unfortunately, this is not the case.

In order to protect an owners corporation’s rights, legal proceedings must be commenced before the applicable limitation period expires.

Understanding Statutory Warranties

Under the Act, builders and developers provide statutory warranties in relation to residential building work. These warranties broadly guarantee that the works:

  • Were performed with due care and skill
  • Comply with plans and specifications
  • Use suitable materials
  • Result in a building reasonably fit for occupation

Where these warranties are breached, affected parties, may be entitled to bring a claim against those relevant parties.

Major vs Non-Major Defects

The distinction between major and non-major defects is critical because it determines the length of the limitation period for statutory warranties.

Major Defects

Major defects generally have a six-year limitation period from completion. These defects affect major building elements and arise from defective design, materials, or workmanship, resulting in (or likely resulting in) an uninhabitable building, structural failure, or the risk of potential collapse.

Non-Major Defects

Non-major defects generally have a two (2) year limitation period from completion. Common examples include cracking, fit-out and finishing defects, and minor building non-compliances.

Although classified as “non-major,” these defects can still lead to significant rectification costs.

The Dangerous Misconception

A recurring assumption among strata committees and building managers is:

“As long as we notify the builder before the two years expires, we’re protected.”

This often results in defects reports being issued, letters of demand being sent, engineers being engaged, and negotiations taking place. While these are sensible and often necessary steps, they do not stop the limitation clock.

Notification is not the same as commencing legal proceedings.

If the limitation period expires before proceedings are commenced, the claim may be permanently barred, legal remedies may be lost, and rectification costs may ultimately fall on lot owners. Courts apply limitation periods strictly, and ongoing discussions or negotiations will not extend the deadline.

A Common Scenario

Consider the below situation that is all too common.

An owners corporation identifies defects around 22 months after completion, obtains an engineering report, provides it to the builder, and enters discussions while awaiting proposed rectification works.

As negotiations continue, delays occur and the two-year limitation period quietly expires.

At that point, even where the defects are genuine and well documented, the owners corporation may discover it no longer has an enforceable claim. The result can be a significant financial burden for lot owners, and one that is often entirely avoidable.

Why Proceedings Matter

Commencing proceedings within the applicable limitation period is essential to preserve legal rights, protect the owners corporation’s position, and prevent claims from expiring.

Importantly, commencing proceedings does not prevent ongoing negotiations. In many cases, legal proceedings and settlement discussions can run in parallel.

Practical Guidance for Owners Corporations

To reduce the risk of losing a claim:

  1. Seek legal advice early rather than waiting until the limitation period is close to expiring.
  2. Confirm the relevant completion date, as limitation periods run from completion and/or the earliest occupation certificate and the date is not always straightforward to determine.
  3. Engage both consultants and lawyers; engineers can identify and assess defects, while lawyers ensure legal rights are protected.
  4. Avoid last-minute decisions, which can increase costs, create unnecessary pressure, and limit strategic options.
  5. Do not rely on informal assurances, as verbal commitments or promises to rectify defects provide no protection once the limitation period has expired.

The Key Takeaway

Greater awareness of statutory warranties is a positive development, but misunderstandings about limitation periods can expose owners corporations to significant and irreversible risk.

Identifying defects, reporting them, or notifying the builder is not enough to preserve a claim. To protect rights, proceedings must be commenced within the applicable limitation period.

Meet the Author

Jack De Giola

Jack De Gioia

Managing Associate

Jack is a lawyer across our Building & Construction and Strata teams, helping owners corporations navigate everything from defect claims to complex strata disputes. He advises on contracts, insurance issues, development matters and by-laws, and works closely with technical experts to drive practical resolutions.

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When in Doubt, Act Early

If defects are suspected and a limitation deadline may be approaching, obtaining legal advice early can make the difference between preserving a claim and losing the opportunity to pursue it.

For tailored advice on statutory warranties and defect claims, owners corporations should consult experienced strata lawyers such as Bannermans Lawyers.

Read the full case analysis here.

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Reach out to our Construction Team for guidance on your specific situation.

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Meet the Team behind the insights

david bannerman

David Bannerman

Partner

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Kayla Khamis

Kayla Khamis

Senior Associate

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Jack De Giola

Jack De Giola

Senior Associate

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Daniella Elakcnouch

Daniella Elakcnouch

Lawyer

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Hannah Moait

Hannah Moait

Law Clerk

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