Foreign Purchaser Surcharge Estimator
Estimate additional stamp duty payable by foreign purchasers using an editable surcharge rate for your state.
Your results
Calculation breakdown
- Surcharge
- property price × state surcharge rate
Worked example
An $800,000 purchase with an 8% foreign purchaser surcharge rate adds about $64,000 on top of standard stamp duty.
Assumptions
- Surcharge rates and eligibility definitions differ by state and change periodically — confirm the current rate with your state revenue office.
- This surcharge is additional to, not instead of, standard transfer duty.
How this calculator works
Several Australian states charge foreign purchasers an additional stamp duty surcharge on top of standard transfer duty. Surcharge rates differ by state and change periodically, so enter your state's current published surcharge rate to estimate the extra amount payable.
Rates sourced from the Australian Taxation Office for the 2026–27 financial year. Last reviewed 01/07/2026.
Frequently asked questions
Does this surcharge apply to all buyers?
No, it generally applies only to foreign persons or entities as defined by each state's revenue office, with specific eligibility rules.
Is the surcharge the same in every state?
No, rates and definitions of a foreign purchaser vary by state and are updated periodically, so check your state revenue office for the current rate.
Is this surcharge in addition to standard stamp duty?
Yes, it is charged on top of standard transfer duty, not instead of it.
Results are estimates only and are not financial, tax, legal or credit advice.
Rates and thresholds are configured for the 2026–27 Australian financial year and should be reviewed when government settings change.