Step 1 · Which bucket?
A grandfathering checklist, one per property: ownership and contract dates, what does and doesn’t count as a new build, and the question to take to your tax agent if you’re unsure.
Free worksheet · Emailed instantlyFree worksheet · Investor edition
The tax rule Australia's property market was built on has changed. The New Rules Worksheet helps you work out three things in about 15 minutes:
The economy decides the average. The street decides your result.

4-page PDF. Tell us where to send it.
What's inside · Page 1 sets out what changed (the three buckets, as announced), then three steps
A grandfathering checklist, one per property: ownership and contract dates, what does and doesn’t count as a new build, and the question to take to your tax agent if you’re unsure.
Annual, after-tax holding cost under the old rules and the new ones. Fill in the yellow column with your numbers, then check whether you can comfortably carry the weekly cost with a 1% rate buffer.
Five tests now the tax break no longer covers a weak purchase: asset not tax break, the street not the suburb, yield vs holding cost, who buys it from you, and sequence. Plus: who should wait.
Before you download
No. The worksheet is general information only. It doesn’t take into account your objectives, financial situation or needs. Ripehouse Advisory is a buyers advisory and doesn’t provide tax advice, so confirm your position with a registered tax agent before acting.
They are measures announced in the 2026–27 Federal Budget and may change as legislation is finalised. The worksheet sets out the rules as announced. Changes to capital gains tax were also announced and aren’t modelled in it.
Your property’s purchase or contract date, rent, loan amount and interest rate, holding costs, an estimate of depreciation, and your marginal tax rate. It takes about 15 minutes.
No. The worked example uses assumed, illustrative figures (one owner earning $250,000, an $800,000 property, an 80% loan at an assumed 6.8% interest-only). Your figures will differ, so use your own in the yellow column.
When the tax tailwind goes
Run your numbers before you buy, not after. The worksheet is free and lands in your inbox straight away.
Get the WorksheetGeneral information only, not personal financial, tax, credit or legal advice. The negative gearing and capital gains tax changes described are measures announced in the 2026–27 Federal Budget and may change before or after legislation. Speak with a registered tax agent, licensed financial adviser and credit provider before acting.