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How Does CGT Apply to Strata Title Conversions?

Published 26 June 2026 · Last updated 26 June 2026

Quick Answer

Capital Gains Tax (CGT) on strata title conversions involves assessing the change from a single title to multiple titles. Under Australian tax law, particularly the CGT provisions, this conversion is seen as a 'CGT event', potentially triggering a taxable gain. Developers should consider market valuations and any exemptions that might apply.

Converting a property from a single title to a strata title can significantly impact your Capital Gains Tax (CGT) obligations. Under Australian tax law, specifically the CGT provisions, this conversion is classified as a 'CGT event', which may result in a taxable gain. This transformation from a single ownership structure to multiple strata titles means that the property is effectively being divided and potentially sold in parts, each constituting a separate CGT event.

The core principle to grasp here is that the conversion itself can trigger a capital gain or loss. This is because the Australian Taxation Office (ATO) views the conversion as a change in the ownership structure, even if the physical ownership does not change hands. The primary misconception is that no CGT arises until the individual units are sold, but in reality, the conversion itself can create a taxable event.

To see how this plays out, consider a practical example. Imagine a developer who owns a block of six apartments in a single title in Bondi, Sydney, purchased for $3 million. The developer decides to convert the block into individual strata titles to sell each unit separately. Post-conversion, each unit is valued at $800,000, totalling $4.8 million. This conversion triggers a CGT event, as the total market value post-conversion exceeds the original purchase price. Assuming a 37% marginal tax rate and no applicable exemptions or concessions, the developer may face a tax bill on the $1.8 million gain, leading to a potential tax liability of $666,000.

In our experience reviewing thousands of properties across Australia, developers often overlook the importance of obtaining accurate market valuations at the time of conversion. These valuations are critical in determining the capital gain or loss. Another frequent oversight is failing to explore potential CGT exemptions or concessions, such as the main residence exemption if applicable, or the small business concessions. Many developers also underestimate the complexity of calculating CGT when dealing with multiple titles and the associated costs.

The answer can differ depending on your situation. For example, if the property was acquired before 20 September 1985, it may be exempt from CGT. Properties held in a trust or by a company might have different tax implications compared to those held by an individual. Moreover, if the conversion is part of a broader development project, GST considerations may also come into play, impacting overall tax obligations.

Given the complexity and potential financial impact of CGT on strata conversions, professional advice is invaluable. A Chartered Quantity Surveyor can provide accurate valuations and cost assessments, while an accountant can ensure all tax implications are considered, including possible exemptions and concessions.

  • Assess the current market value of the property pre- and post-conversion.
  • Consult a Chartered Quantity Surveyor for accurate cost assessments.
  • Discuss with your accountant potential CGT exemptions or concessions.
  • Evaluate the ownership structure to understand different tax implications.
  • Plan the conversion timing to optimise tax outcomes.
  • Stay informed on any legislative changes affecting CGT.
  • Frequently Asked Questions

    How does CGT apply to pre-1985 properties?

    Properties acquired before 20 September 1985 are generally exempt from CGT. However, any improvements made after this date could be subject to CGT.

    Can I claim any CGT concessions on strata conversions?

    Yes, depending on your circumstances. You may be eligible for small business concessions or the main residence exemption, which can reduce your CGT liability.

    Do state laws affect strata title conversions?

    State laws primarily govern the process of strata title conversions, but CGT is a federal tax. Ensure compliance with both state and federal requirements.

    How do I report a strata conversion on my tax return?

    Report the conversion as a CGT event on your tax return. Include details of the property's market value and any applicable exemptions or concessions.

    Does GST apply to strata title conversions?

    GST may apply if the conversion is part of a broader business activity or development project. Consult with a tax professional for specific advice.

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    Written by Koste Team · Koste Chartered Quantity Surveyors · AIQS Member · RICS Member · TPB Registered · 1300 669 400 · info@koste.ai