Key Points
Current 50% CGT discount replaced with inflation-based indexation for eligible assets.
Government expects reforms to help 75,000 Australians buy homes over 10 years.
Changes will reduce investor demand and slow housing price growth temporarily.
Tax complexity will increase, requiring detailed asset records and professional help.
Australia’s government has unveiled sweeping changes to capital gains tax rules that replace a 50% discount with inflation-based indexation for eligible assets. The reforms aim to help 75,000 Australians buy their own home over the next decade by reducing investor demand and slowing housing price growth. The changes have sparked debate among accountants, investors, and business leaders about tax complexity and compliance costs.
What the New Tax Rules Mean
Under the current system, individuals and trusts receive a 50% discount on capital gains when they hold an eligible asset for more than 12 months. The proposed model replaces this with inflation indexation, meaning gains are adjusted based on how much prices have risen since purchase. This shift affects shares, exchange-traded funds, investment property, and other assets. Accountants warn the change will make tax calculations more complex for DIY investors preparing their own returns.
Housing Affordability and Investor Demand
The government expects the reforms to reduce investor demand and “likely lead to a modest and temporary slowing in housing price growth that improves affordability.” Commonwealth Bank boss Matt Comyn has backed the changes but urged the government to carve out startups and other productive investments from the new rules. He argued there is a “big difference” between passive asset accumulation and risk-taking in new businesses or junior explorers.
Debate Over Tax Complexity and Carve-Outs
Tax professionals have warned that the reforms could significantly increase complexity for investors holding multiple assets. The government has said it is already considering carve-outs for startups and other sectors. Analysis shows Australia could land at the top of global tax tables with the new minimum tax rate and inflation-based model.
Record-Keeping and Compliance Impact
The proposed changes will require investors to maintain detailed records of asset purchase prices and inflation adjustments over time. Taxpayers who currently prepare their own tax returns may find future calculations more challenging. The legislation is still being considered by Parliament and has not yet become law. Industry groups remain divided on whether the complexity gains outweigh the housing affordability benefits.
Final Thoughts
The capital gains tax reforms aim to improve housing affordability by reducing investor competition, but they will make tax compliance harder for individual investors. Investors should review their record-keeping systems now to prepare for potential changes.
FAQs
The new system replaces the current 50% discount on capital gains held over 12 months with inflation-based indexation, adjusting gains based on price increases since purchase.
The government expects the reforms to help 75,000 additional Australians buy their own home over the next decade through improved housing affordability.
The reforms apply to shares, ETFs, investment property, and other eligible assets, with potential carve-outs for startups and productive investments under consideration.
Disclaimer:
The content shared by Meyka AI PTY LTD is solely for research and informational purposes. Meyka is not a financial advisory service, and the information provided should not be considered investment or trading advice.
About Author

Danny Kontos
Co FounderDanny Kontos has been a stock investor since 2007 and co-founded Meyka in 2023. He keeps a small, focused portfolio and only moves when the numbers are hard to argue with. He has waited years on a single position before. Before Meyka, he ran a web hosting company and a mortgage lending platform, so he knows what a well-run business actually looks like under the hood. This article did not come from a news cycle. It came from someone who has been watching this space for a long time.
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