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Stamp Duty & First-Home Grant Calculator

Covers all 8 states/territories with 2025-26 schedules and first-home concessions; outputs base duty, discount, foreign surcharge, FHOG (new builds) and registration fees.

Stamp Duty & First-Home Grant Calculator

Based on 2025-26 state schedules. Stamp duty rules have many exceptions — the final figure is set by the relevant State Revenue Office.

i/1e3+15i:t<=3e6?t.0495:t<=5e6?t*.0575:t*.0595}for(o=s[e],n=0;n<o.length;n++)if(t<=o[n].to)return o[n].base+(t-o[n].offset)o[n].rate;return 0}o={NSW:.09,VIC:.08,QLD:.08,WA:.07,SA:.07,TAS:.08,ACT:.075,NT:0};function r(e,t,n){if(n!=="new")return 0;switch(e){case"NSW":return t<=6e5?1e4:0;case"VIC":return 1e4;case"QLD":return t<=75e4?3e4:0;case"WA":return 1e4;case"SA":return 15e3;case"TAS":return 1e4;case"ACT":return 0;case"NT":return 1e4}return 0}function n(){var n=e.querySelector("[data-f=state]").value,s=+e.querySelector("[data-f=price]").value,d=e.querySelector("[data-f=use]").value,l=e.querySelector("[data-f=fhb]").value,u=e.querySelector("[data-f=type]").value,h=e.querySelector("[data-f=foreign]").value,c=a(n,s),m=l==="yes"&&d==="ppr"?i(n,s,c,u):0,f=Math.max(0,c-m),p=h==="yes"?s(o[n]||0):0,g=l==="yes"&&d==="ppr"?r(n,s,u):0,j=f+p-g,v=400,b=j+v,y={ppr:"Owner-occupier",inv:"Investment"}[d];e.querySelector("[data-out]").innerHTML='

'+t(b)+'

'+n+" · "+y+(l==="yes"?" · First-home buyer":"")+(h==="yes"?" · Foreign buyer":"")+"

Base stamp duty"+t(c)+"
First-home concession-"+t(m)+"
Duty after concession"+t(f)+"
Foreign buyer surcharge+"+t(p)+"
First Home Owner Grant (FHOG)-"+t(g)+"
Title transfer fee (estimate)+"+t(v)+"
Total payable"+t(b)+"
"}e.addEventListener("click",function(e){e.target.dataset.act==="calc"&&n()}),e.addEventListener("input",function(e){e.target.dataset.f&&n()}),e.addEventListener("change",function(e){e.target.dataset.f&&n()}),n()})()

How to use

Results refresh as you edit the fields — no need to press Calculate. Adjust any input to test alternative scenarios.

Notes

Stamp duty rules have many exceptions (rural land, family transfers, low-value concessions). The final figure is set by the relevant State Revenue Office.