Estimate Australian stamp duty and upfront costs.

Model transfer duty, government fees, surcharge duty, and concession outcomes with source-backed assumptions.

8states / territories
Officialduty rules
Fees+ concessions

Duty calculator

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Start with the contract date, state, and dutiable value. PropGain shows source references, warnings, and review dates beside the result.

Estimates are for scenario modelling only and are not financial, tax, legal, or conveyancing advice. Always confirm your position with the relevant revenue office or a qualified professional.