Australian property maths, explained. Plain-English guides covering stamp duty, mortgages, negative gearing and CGT — built around the 2026–27 budget changes. No paywalls, no email capture.
Buying
Stamp duty in Australia
How transfer duty is calculated across all 8 states and territories, when first home buyer concessions apply, and what counts toward the cost base.
Open the calculator Owning
Mortgage repayments, explained
The amortisation formula, why Australian fortnightly isn't half the monthly payment, and how extras compound to shave years off the loan.
Open the calculator Investing · 2027
Negative gearing — old vs new rules
Quarantining of losses for new purchases after 12 May 2026, what happens to existing properties, and why new builds are carved out.
Guide arriving with the calculator
Investing · 2027
CGT — 50% discount vs indexation
The pro-rata split after 1 July 2027, the new 30% minimum tax floor, and how the indexation method compares for long-held assets.
Guide arriving with the calculator