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The 2026 Federal Budget & CGT: What WA Investors Need to Know

2026 Federal Budget CGT changes

12th May, 2026

 

The landscape for Western Australian property and share investors shifted significantly following the May 12, 2026, Federal Budget. With the government moving to address housing affordability and revenue, Capital Gains Tax (CGT) is undergoing its most substantial reform in over two decades.

For those of us in WA—where the property market has shown unique resilience—understanding these changes is vital for protecting your wealth.

The Core Changes

The budget has signaled a move away from the traditional 50% CGT discount for assets held over 12 months. Two primary paths are being discussed:

  1. A Reduced Discount: The 50% discount may be slashed to 25% or 33%, significantly increasing the “taxable” portion of your profit.

  2. The Return of Indexation: A potential return to the pre-1999 system. Under this model, the 50% discount is removed, but you are only taxed on “real” gains (your profit minus the rate of inflation).

How it Impacts WA Specifically

While these are federal changes, the timing is critical for WA. With the State Budget recently raising stamp duty thresholds for first-home buyers to $600,000, we are seeing a shift in market entry points. Federal CGT changes may influence how long WA investors hold onto their “bread and butter” rentals or Perth-based share portfolios.

The “Hybrid” Saving Grace: Transitional Rules

The good news? Full grandfathering might not be off the table, but a “hybrid approach” is more likely. This means gains accrued before the 2026 implementation date may still qualify for the old 50% discount, while gains after that date will fall under the new rules.

Action Steps for WA Investors

  • Review Your Portfolio: Now is the time to look at your unrealised gains in BHP, Rio Tinto, or that investment property in Scarborough.

  • Calculate the “Trigger” Point: Speak to your tax advisor about whether it is mathematically beneficial to sell before the new financial year or hold for the long term under transitional rules.

  • Seek Professional Advice: These rules are complex and subject to final legislative wording. Don’t rely on “pub talk”—get a formal tax projection.

Disclaimer: This information is based on proposed 2026 Budget measures and does not constitute financial or tax advice.