From 1 July 2025, significant changes to the taxation of superannuation balances exceeding $3 million will take effect in Australia. These reforms will impact many high-net-worth individuals, particularly those with substantial property investments through their superannuation. As a property owner or investor, understanding these changes is crucial for effective financial planning.
Understanding the New Super Tax Framework
The Current vs New Tax Structure
Currently, earnings within superannuation funds are taxed at a concessional rate of 15%, regardless of the balance size. This has made superannuation an attractive vehicle for wealth accumulation, particularly for property investors utilizing Self-Managed Super Funds (SMSFs).
Under the new legislation introduced through the Treasury Laws Amendment (Better Targeted Superannuation Concessions and Other Measures) Bill 2023:
- Earnings on super balances below $3 million will continue to be taxed at 15%
- Earnings on the portion exceeding $3 million will be taxed at 30% (an additional 15%)
- The calculation will be based on an individual’s total superannuation balance (TSB) across all their funds
Who Will Be Affected?
While $3 million might seem like a high threshold, many Australians are approaching or exceeding this amount, particularly those who:
- Have been contributing to super for several decades
- Hold significant property assets within their SMSF
- Have benefited from strong investment returns over time
According to Treasury estimates, approximately 80,000 Australians currently have superannuation balances exceeding $3 million, but this number is expected to grow substantially in coming years as more people build wealth within the superannuation system.
Calculation Method: More Complex Than It Appears
The calculation of the additional tax isn’t straightforward, which presents both challenges and planning opportunities for property investors:
Unrealized Capital Gains Included
One of the most significant aspects of the new tax is the inclusion of unrealized capital gains in the calculation of earnings. This means:
- Property value increases within an SMSF will be considered “earnings” even if the property hasn’t been sold
- These paper gains could push members above the $3 million threshold and trigger the higher tax rate
- The ATO will calculate this based on the difference between a member’s opening and closing balances, adjusted for contributions and withdrawals
For property investors, this represents a fundamental shift, as previously tax on capital gains was only payable upon disposal of assets.
Capital Losses Can Be Carried Forward
The legislation does provide some relief by allowing capital losses to be carried forward to offset future tax liabilities. This creates a need for strategic planning around the timing of property sales and other investment decisions.
Implications for Property Investment Through SMSFs
Impact on Investment Strategy
Property has long been a favored asset class within SMSFs due to potential capital growth and steady rental income. However, the new tax measures may require a rethink of investment strategies:
- Diversification considerations: Concentrating too much wealth in high-growth property assets might accelerate reaching the $3 million threshold
- Cash flow management: Additional tax liabilities may require more liquid assets to be maintained within the fund
- Contribution strategies: Members may need to reconsider making additional contributions if they’re approaching the threshold
Property Development Considerations
For SMSFs engaged in property development activities, the new tax regime presents additional complexity:
- Development profits will be taxed at the higher rate once the balance exceeds $3 million
- The timing of development projects may need to align with tax planning objectives
- The structure of property holdings might need reconsideration
Strategic Options for Property Owners and Investors
Review and Restructure
Property owners with substantial super balances should consider:
- Reviewing the asset allocation within their SMSF
- Exploring whether holding certain properties outside super might be more tax-effective
- Restructuring property portfolios to optimize for both growth and tax efficiency
Two-Fund Strategy
Some advisors are suggesting a “two-fund strategy” where:
- Assets up to $3 million are held in one superannuation fund
- Additional assets are held in a separate structure with different investment objectives
While this doesn’t avoid the tax (as the calculation is based on an individual’s total superannuation balance across all funds), it can simplify administration and potentially allow for more targeted investment strategies.
Spouse Contribution Splitting
For couples, balancing superannuation between spouses becomes increasingly important:
- Contribution splitting to equalize balances below the $3 million threshold for each spouse
- Strategic decisions about which spouse should hold certain investments
- Considering the long-term implications of property ownership structures
Administrative Implications
Increased Valuation Requirements
Property owners with SMSFs will face enhanced valuation requirements:
- More frequent property valuations may be necessary
- Greater scrutiny of valuation methods by the ATO
- Increased administrative costs for SMSF trustees
Reporting Obligations
The new tax will be administered through an additional assessment process:
- The ATO will calculate the tax based on information reported by super funds
- Members will receive a separate assessment for the additional tax
- Payment will be due through a separate process from regular income tax
Transitional Considerations
The legislation is still progressing through Parliament but is expected to pass in some form. In preparation:
- Seek professional advice: Consult with financial advisors, tax professionals, and SMSF specialists
- Review existing strategies: Assess current investment and contribution plans
- Consider timing: Some restructuring might be beneficial before the 1 July 2025 implementation date
Real Estate Market Implications
The new super tax could have broader implications for the property market:
- Some SMSFs might divest property assets to rebalance portfolios
- Reduced appetite for high-end property investments within super
- Potential shifts in investment patterns toward different asset classes or property types
Conclusion
The new superannuation tax changes represent a significant shift in Australia’s retirement savings landscape, particularly for those with substantial property investments. While the $3 million threshold may seem high, property value growth means more Australians will be affected over time.
For property owners and investors, early planning is essential to navigate these changes effectively. By understanding the implications and adjusting strategies accordingly, it’s possible to maintain the benefits of property investment while adapting to the new tax environment.
Remember that this legislation is still pending final approval, and some details may change before implementation. Working with qualified professionals to develop a personalized strategy remains the best approach to managing these significant changes to Australia’s superannuation system.



