Stamp Duty (SD) is a tax levied on legal documents.
Stamp duties are levied by the Australian State Governments on the transfer of property from one owner to another. It is payable on land and also on the purchase price of an existing property.
It is levied at different rates by each of the states and each offers various concessions and incentives.
There are a large number of online stamp duty calculators available.
State Government Reference Sites