Property Investment After the 2026 Budget: A New Tactical Reality

The 2026 Federal Budget restricts negative gearing to newly built properties for acquisitions after budget night and proposes halving the capital gains tax discount to 25%¹. These updates fundamentally alter the ROI profile for new entrants while leaving existing portfolios effectively grandfathered. Will the proposed tax changes turn your investor clients into mortgage prisoners? Investors need to move past the headlines and focus on how these tax shifts interact with their specific leverage and yield requirements.

The Grandfathering Advantage

Panic is a poor advisor. Every property you bought before the May 2026 announcement keeps its original tax status as long as you own it. This is a core asset. If you hold a negatively geared property, the new rules do not touch your ability to offset those losses against your PAYG income. Don't sell a legacy asset just to chase a new-build. Between the capital gains tax on the sale and the entry premium on new property, the math rarely works in your favor. Keep your grandfathered status. It is a permanent tax efficiency you cannot replicate in the current market². I’ve seen too many investors trigger a massive CGT bill for a new build that won't deliver the same cash flow.

The Real Cost of New-Build Incentives

New-builds are now your only path to negative gearing for new acquisitions. This creates a supply premium that demands scrutiny. Suppose you buy an $800,000 new apartment. If the price includes a 10% premium because of this tax benefit, you are paying $80,000 upfront. Compare this to your tax savings. On a $150,000 household income, that deduction might save you $4,000 a year. It would take twenty years of tax benefits just to break even on that entry premium. Before signing anything, compare the rental yield of a new-build against a well-located established asset. If the yield gap is smaller than the tax advantage, you are effectively paying for the investment out of your own pocket. Don't let the tax tail wag the dog.

Borrowing Capacity and Valuation Shifts

Tax changes affect more than just your annual return; they impact how lenders see your borrowing power. Banks are getting conservative with rental income projections on new-builds to account for vacancy risks. On a $120,000 single income, this shift in assessment buffer can wipe $40,000 off your borrowing capacity compared to an established property with a proven rental history. Investors must run a sensitivity analysis before locking in any contract³. If your borrowing capacity drops, your ability to scale the portfolio is paralyzed. Always factor in the lender rates and LVR requirements for new-builds, as they often demand higher deposits for off-the-plan stock than for existing homes, especially when the official cash rate environment remains volatile⁴. Check your numbers against your lender's specific policy before you sign a contract.

Frequently Asked Questions

Does the new negative gearing rule apply to properties bought before May 2026? No. Properties acquired before the 2026 budget night are grandfathered. You retain your existing negative gearing status as long as you hold the asset.

Will the CGT discount change affect my current investments? The proposed reduction to a 25% capital gains tax discount applies to assets acquired after the budget announcement. Existing holdings remain under the previous rules.

Why are lenders tightening borrowing capacity on new-builds? Banks are applying higher risk buffers to off-the-plan properties due to concerns over valuation premiums and potential vacancy risks, which can lower your total borrowing capacity.

Should I sell an established property to buy a new-build? Rarely. The cost of exiting an established asset—including CGT and the entry premium on new-builds—often outweighs the long-term benefit of the new negative gearing rules.

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Disclaimer: This is general information only and does not take into account your objectives, financial situation, or needs. It is not personal credit, financial, or tax advice. Seek advice from a licensed professional before making any decision.

Related reading

• Will the proposed tax changes turn your investor clients into mortgage prisoners?
• Is the Sydney and Melbourne housing downturn a trap or a window for your family?
• Loan products

Want to know how much you can actually borrow after this rate move? Fingertips runs your numbers across 40+ Australian lenders without a credit hit , two-minute mobile pre-check, no fees. Start at ftfinance.com.au.

Sources

Footnotes

1. https://www.macrobusiness.com.au/2026/05/property-tax-reforms-leaked-ahead-of-budget/ , Property tax reforms leaked ahead of budget ↩

2. https://www.macrobusiness.com.au/2026/05/property-investors-are-buying-more-not-exiting/ , Property investors are buying more, not exiting ↩

3. https://www.rba.gov.au/statistics/cash-rate/ , Reserve Bank of Australia , Cash Rate Target ↩

4. https://www.rba.gov.au/statistics/cash-rate/ , Reserve Bank of Australia , Cash Rate Target ↩