CGT & Negative Gearing Changes — Should St George Investors Buy Before June 30?

CGT & Negative Gearing Reforms: The 10-Week Window for St George Investors

Treasurer Jim Chalmers has all but confirmed that the May 2026 federal budget will include changes to Capital Gains Tax and negative gearing. Here's what's on the table, what it means for property investors in St George, and whether you should act before June 30.

"I've watched St George investors navigate every policy shift since 1999. The grandfathering provisions mean existing portfolios are protected — but if you're buying next, new-build strategy is now the smart play for tax efficiency."

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— Michael Kalinovski, Century 21 Bayview, Brighton-Le-Sands

What's Being Proposed

Based on Treasury modelling and the parliamentary inquiry findings released March 17:

Key point: If grandfathering applies (which most analysts expect), properties purchased before the budget announcement would retain the current 50% CGT discount and unlimited negative gearing benefits.

What This Means in Dollar Terms

Let's use a real St George example. Say you buy a 2-bedroom unit in Rockdale today for $680,000 and sell it in 10 years for $950,000:

That's nearly $17,000 more tax on a single Rockdale unit. For investors with portfolios of 3+ properties, the impact compounds significantly.

Negative gearing cap impact: If you currently own 3+ investment properties and claim losses on all of them, the 2-property cap would force you to choose which two to claim against. The others would need to be positively geared or you'd absorb the losses without a tax offset.

Why St George Investors Should Pay Attention

St George has one of the highest concentrations of property investors in Sydney. The 2216 postcode alone has an estimated 35–40% investor ownership rate in unit complexes near Rockdale and Banksia stations.

If the reforms proceed:

Short-term (now to June 30): Expect a surge in investor activity as buyers rush to secure grandfathered status. This could temporarily push up competition and prices for investor-grade stock — particularly 1–2 bedroom units in Rockdale, Banksia, and Kogarah.

Medium-term (July–December 2026): A potential investor pullback as the new rules take effect. This could soften demand for units and create buying opportunities for first-home buyers.

Long-term: Existing landlords may hold properties longer to preserve their grandfathered tax advantages, reducing rental stock turnover and tightening the rental market further.

→ Top 5 investment suburbs in St George 2026 → Property yield calculator — run your numbers

The Grandfathering Advantage

If you buy before the budget (expected May 13, 2026), your investment is almost certainly grandfathered under the current rules. That means:

✅ 50% CGT discount locked in for the life of that asset ✅ Full negative gearing — no 2-property cap on pre-budget purchases ✅ No retrospective changes — both major parties have committed to this

This creates a genuine 10-week window of opportunity. Not a marketing gimmick — a structural tax advantage that could be worth tens of thousands of dollars over the life of your investment.

Best Investor Plays in St George Right Now

If you're going to move before June 30, here's where the numbers work best:

Rockdale Station Precinct — Best Yield (4.2%)

• 2BR units: $650K–$720K
• Weekly rent: $650–$720
• Target: Buildings post-2010, low strata, within 400m of station
• Why: Highest yield + strongest tenant demand in 2216

Banksia — Best Value Entry (4.0% yield)

• 2BR units: $560K–$640K
• Weekly rent: $580–$650
• Target: Near Banksia station, quiet streets
• Why: 15% cheaper than Rockdale, same train line

Kogarah Medical Precinct — Lowest Vacancy (1.5%)

• 2BR units: $620K–$700K
• Weekly rent: $620–$700
• Target: Within walking distance of St George Hospital
• Why: Recession-proof demand from healthcare workers

→ Rockdale suburb guide → Banksia suburb guide → Kogarah suburb guide

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Should You Rush In?

Here's my honest take:

YES, if:

• You were already planning to invest in the next 12 months — bring it forward
• You have pre-approval and deposit ready
• You're looking at Rockdale/Banksia/Kogarah units that already stack up on yield
• You want to lock in the 50% CGT discount for the long term

NO, if:

• You're buying purely to beat the deadline without doing proper due diligence
• You haven't stress-tested the numbers at 4.10% (or higher)
• You'd be over-leveraging to rush a purchase

Don't buy a bad property to save on tax. But if the property is right and you were going to buy anyway — the case for acting before June 30 is strong.

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How I Help Investors

I've been advising property investors in St George for 25 years. My investor clients get:

• Off-market access — I see investor-grade stock before it lists
• Yield analysis — I'll run the numbers on any property before you commit
• Strata intelligence — I know which buildings have problems and which are well-managed
• Property manager referrals — Trusted PMs who manage my clients' portfolios

Call Michael Kalinovski: 0411 818 171

→ Get a free investment property appraisal → Investment growth calculator → Book a 15-minute strategy call → All St George suburb guides

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More From the Property Investment Tax Series

This article is part of our comprehensive property investment tax guide for St George investors.

🏠 Hub guide: NSW land tax changes 2026 — The complete guide to NSW land tax for St George property investors

📖 Capital Gains Tax Discount in 2026: What Every St George Investor Must Know

📖 2026 Federal Budget: St George Property Shake-Up

📖 RBA Hits 4.10%, CGT & Negative Gearing Reforms Loom

📖 Top 5 Investment Suburbs in St George 2026

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Frequently Asked Questions

What are the 2026 negative gearing changes for property investors?

From 1 July 2027, negative gearing deductions on established (existing) investment properties will be phased out. Only newly constructed dwellings will be eligible for negative gearing. Existing investment properties purchased before 7:30pm AEST on 12 May 2026 are grandfathered — meaning their owners can continue claiming negative gearing indefinitely.

Are my existing investment properties grandfathered?

Yes. If you purchased your investment property before 7:30pm AEST on 12 May 2026 (budget night), you retain full negative gearing benefits and the 50% CGT discount. This applies regardless of when you eventually sell the property. See the 2026 budget details.

How much will I save by being grandfathered on a Rockdale unit?

For a typical negatively geared 2-bedroom Rockdale unit (purchase $680K, rent $650/week, expenses $42K/year including interest), the annual negative gearing benefit at a 37% marginal rate is approximately $5,500–$7,000. Over 10 years, that's $55,000–$70,000 in tax deductions you'd lose under the new rules. Use our negative gearing calculator to model your specific property.

Should St George investors buy new builds after 2027?

New builds will be the only option for negative gearing deductions post-July 2027. In St George, key new-build developments are concentrated in Rockdale, Arncliffe, and Wolli Creek. The advantage is you get both negative gearing AND higher depreciation deductions on new construction. The trade-off is typically lower rental yields in the first 1-2 years as new stock settles.

What is the CGT cost-base indexation model?

Instead of a flat 50% discount on capital gains, properties purchased after budget night use inflation-adjusted cost bases. Your purchase price is indexed by CPI each year you hold the property. If inflation averages 3% per year over a 10-year hold, your $680K cost base would index to approximately $914K, reducing your taxable gain by $234K rather than the flat 50% discount of $135K on a $270K gain. Long holders benefit more from indexation.

How do I calculate my negative gearing position?

Negative gearing occurs when your investment property expenses (mortgage interest, land tax, strata, insurance, repairs, management fees) exceed your rental income. The annual loss is deductible against your other income. Use our negative gearing calculator to see your pre- and post-tax cash flow position.

What happens if I buy a third investment property after July 2027?

Under the new rules, you can still purchase additional investment properties. However, you cannot claim negative gearing deductions on established properties purchased after the cut-off. New-build properties remain eligible. Your pre-budget properties retain their grandfathered benefits regardless of subsequent purchases.

Are SMSF property investments affected by the 2026 changes?

Yes. SMSF-held investment properties are subject to the same negative gearing and CGT changes. However, the tax implications differ because SMSFs are taxed at 15% (accumulation phase) or 0% (pension phase). The reduced CGT discount has a smaller absolute impact at the 15% rate. See our SMSF property investment guide.

How do the changes affect St George rental supply?

Industry modelling suggests limiting negative gearing to new builds will redirect investment capital toward new construction, potentially increasing rental supply in the medium term (3-5 years). In the short term (1-2 years), some landlords may sell established rental stock, temporarily tightening the rental market in suburbs like Rockdale, Kogarah, and Brighton-Le-Sands.

When do the negative gearing changes actually start?

The new rules take effect from 1 July 2027 — giving investors a 14-month transition period from the May 2026 budget announcement. Properties purchased between budget night (12 May 2026) and 30 June 2027 under existing rules can still claim negative gearing, but will use cost-base indexation for CGT (not the 50% discount).

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Authoritative Sources

ATO — Rental Properties Guide — Official ATO guidance on rental deductions, negative gearing, and CGT for investment properties. Source: ato.gov.au

2026-27 Federal Budget Papers — Complete budget documentation including negative gearing and CGT reform provisions, grandfathering rules, and implementation timeline. Source: budget.gov.au

Treasury — Housing Tax Reform — Treasury modelling on housing supply impacts of negative gearing changes and CGT reform scenarios. Source: treasury.gov.au

NSW Revenue — Land Tax — Current NSW land tax rates and thresholds relevant to investment property holding costs. Source: revenue.nsw.gov.au

REINSW — Market Data — Real Estate Institute of NSW market reports and rental vacancy data for Sydney regions. Source: reinsw.com.au

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Related Resources

🧮 Negative Gearing Calculator — Model your property's cash flow under old and new rules

🧮 Capital Gains Tax Calculator — Compare 50% discount vs cost-base indexation

🧮 Land Tax Calculator — Calculate your annual NSW land tax

🧮 Investment Performance Calculator — Total return analysis for your portfolio

🧮 Property Yield Calculator — Gross and net yield breakdown

🧮 Stamp Duty Calculator — Purchase costs for your next investment

📍 Rockdale suburb guide — Investment profile for St George's top-ranked suburb

📍 Banksia suburb guide — Best value entry point in St George

📍 Arncliffe suburb guide — New-build investment hotspot

📍 Kogarah suburb guide — Hospital precinct rental demand

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Need Help With Your Investment Strategy?

The St George property market is shifting fast with the 2026 tax reforms. Whether you're buying, holding, or considering selling — get advice from someone who's been in this market for 25+ years.

📞 Call Michael Kalinovski: 0411 818 171 📧 Email: michael.kalinovski@century21.com.au 🏠 Free property appraisal: Book online

Century 21 Bayview · Brighton-Le-Sands · Serving St George investors since 1999