Duplex and townhouse calculator
Would a duplex stack up?
Land, build, fees and interest against what the finished dwellings sell or rent for. The numbers update as you go, and every assumption can be changed.
The site
The address of the block you're looking at or already own.
Purchase price
Stamp duty is added for you once you enter a price.
$
What you'd build
Size of each dwelling120 m²
80 m²300 m²
Build cost per m²$2,200
Your builder's quote is the real number. Change it any time.
$1,500$4,500
When it's finished
Sale price per dwelling
Your figure. Check what similar new duplexes or townhouses nearby have sold for.
$
Adjust the other costs
The site
Fees and site costs
Finance (assumptions)
Interest rates and deposits are assumptions. A mortgage broker can tell you what applies to you.