Free Australian property development tools

Property development tools for faster first-pass feasibility

Use free Popurise calculators to screen sites, test development returns and sense-check deal assumptions before building a full feasibility model.

Start with the feasibility calculator See feasibility software

Free right now. No card required.

Tools index

Find the right tool

Every Popurise calculator, check and workflow, grouped by what you are trying to do.

01

Start here

Screen a deal fast, or move into the full feasibility workflow.

Residential feasibility calculatorLiveCan this residential deal work?Popurise feasibility softwareFrom a quick screen to a saved feasibility workflow.
02

Developer feasibility calculators

For developers and analysts checking deal returns.

Residual land valueWhat can I pay for the land?Development marginWhat margin does the deal produce?Profit on costWhat profit against the cost base?Equity IRRWhat return does equity receive over time?
03

Planning and capacity

For checking development capacity and planning controls.

Floor space ratio calculatorNewHow much floor area can this site hold?
04

Acquisition costs

For transaction costs before a feasibility.

Stamp duty calculatorEstimate duty in any state or territory.NSW stamp dutyTransfer duty for New South Wales.
05

Consumer property checks

For homeowners checking a block's potential.

Granny flat block checkCan this block suit a granny flat?
06

Templates and workflows

For moving off spreadsheets and manual models.

Spreadsheet alternativeA structured workflow, not fragile Excel.Feasibility checklistEvery input and output, in order.
07

Directories and market data

For finding companies and market context.

Developer directoryBrowse Australian development companies.

More developer, investor and homeowner tools are in development.

Featured toolLive

Residential development feasibility calculator

Use this when you want a quick first-pass view of a residential development deal before moving into a fuller feasibility model. Screen an apartment, townhouse or medium-density site, and read profit, profit on cost and the total development cost in one place.

  • Development profit and profit on cost
  • GRV, total development cost and finance cost
  • Save the screen or export an Excel summary
Open the feasibility calculator Free, live, no card required.
First-pass result
Profit on cost
25.0%
Development profit$3.6M
Development margin20.0%
GRV$18.0M
Total dev cost$14.4M

Illustrative medium-density project. Example only, not financial advice.

The calculator suite

Four questions, four fast answers.

Each calculator answers one question on a site. Run one, or run them together to screen a deal from land price to timed return before you build the full model.

01

What can I pay for the land?

Residual land value calculator

Work back from gross realisation, project costs and a target return to a supportable land price.

$1.86MSupportable land · illustrativeOpen
02

How much profit is left as a share of revenue?

Development margin calculator

Turn land, construction, finance and revenue into development profit and a margin on gross realisation.

20.0%Development margin · illustrativeOpen
03

How much profit against the cost base?

Profit on cost calculator

Measure development profit against total cost and test it against your hurdle with a dollar surplus or shortfall.

25.0%Profit on cost · illustrativeOpen
04

What return does equity receive over time?

Equity IRR calculator

Estimate the annualised return to equity from a short cash flow: equity in, an optional top-up, equity out at exit.

18.4%Equity IRR · illustrativeOpen

Example outputs are simplified and general only. Use your own professional, planning, finance, tax and legal advice before making development decisions.

Which tool should I use?

Start from the question you are asking.

Every tool answers one question on a deal. Find yours, then open the tool that answers it.

  1. If you are askingCan this residential deal work?UseResidential development feasibility calculator
  2. If you are askingHow much floor area can this site hold?UseFloor space ratio calculator
  3. If you are askingWhat can I pay for the land?UseResidual land value calculator
  4. If you are askingIs the margin acceptable?UseDevelopment margin calculator
  5. If you are askingIs profit high enough against cost?UseProfit on cost calculator
  6. If you are askingWhat return does equity receive over time?UseEquity IRR calculator
  7. If you are askingWhat does the full feasibility workflow look like?UsePopurise feasibility software

Supporting calculators

Go one level deeper on the numbers.

Property development feasibility calculator

The full feasibility reference: inputs, outputs, formula and a worked example.

Open

Loan to cost calculator

Size senior debt as a share of total development cost.

Open

Development cash flow calculator

Build a monthly cash flow, then read peak debt, peak equity and distributions.

Open

Acquisition and stamp duty

Estimate transaction costs before the model.

Quick support tools for the costs of securing a site, so a first-pass feasibility starts from a realistic acquisition number.

Australian stamp duty

Stamp duty calculator

Choose a state or territory and compare stamp duty, transfer duty or conveyance duty across Australia.

NSWVICQLDWASATASACTNTOpen
Property check

Granny flat block check

Can I build a granny flat on my land? A free first-pass yes, maybe or no before you speak to builders.

Open
NSW stamp duty VIC stamp duty QLD stamp duty WA stamp duty SA stamp duty TAS stamp duty ACT stamp duty NT stamp duty

Checklists and guides

Before it goes to the committee.

Quick tools vs full software

Use a calculator for the first answer. Use Popurise for the workflow.

Free calculators

  • A first-pass answer in seconds
  • Residual land value, margin, profit on cost and IRR
  • Illustrative outputs to screen a site
  • No sign-up, no card

Popurise software

  • Saved projects and structured assumptions
  • Timing, debt and monthly cash flow
  • Project and equity returns
  • Scenario comparison and cleaner outputs
See property development feasibility software Feasibility spreadsheet alternative

Related resources

Property development feasibility software
Model the full deal: timing, debt, cash flow and returns in one workspace.
Feasibility spreadsheet alternative
Move off fragile Excel models and screen sites in a structured workflow.
Residential development feasibility
The asset-class workspace for residential development.
Development models
How development feasibility modelling actually works.
Worked examples
Illustrative residential feasibility examples, end to end.
Feasibility glossary
Definitions for margin, profit on cost, IRR and residual land value.
Help centre
How to run a feasibility and get the most out of Popurise.
Pricing
Plans for when a site is worth the full workflow.

Questions

Answered.

What the tools do, which one to reach for, and when a site is ready for the full model.

What are property development tools?
They are free calculators that answer one development question quickly: whether a site can work, what you can pay for the land, the margin a deal produces, the profit on cost, and the return to equity. Use them to screen a site before you build a full feasibility model.
Which calculator should I use first?
Start with the residential development feasibility calculator for a first-pass view of the whole deal. Then use the residual land value, development margin, profit on cost or equity IRR calculator to test a specific number.
Are these calculators a replacement for a full feasibility model?
No. They are first-pass screens. They do not model monthly cash flow, staged timing, debt drawdown or GST timing. Use them to decide which sites deserve a full feasibility, then model the deal in Popurise.
What is the difference between a feasibility calculator and feasibility software?
A calculator answers one question for one set of inputs. Feasibility software is built for repeatable modelling: saved projects, timing, debt, monthly cash flow, scenario comparison and shareable outputs. Use a calculator to screen, use software when a site deserves a proper look.
Can I use these tools for Australian residential development?
Yes. They are built for Australian residential development, including apartments, townhouses and medium-density sites, with acquisition costs, GST on sales and finance treated the way local projects run.
Do the calculators include finance and debt assumptions?
Some do at a first-pass level. Full debt drawdown, interest on a moving balance and monthly cash flow live in Popurise, where timing and finance are modelled properly.
When should I move from a calculator to Popurise?
When a site is worth a proper look. Once you need timing, debt, cash flow, project and equity returns, and a like-for-like comparison across scenarios, move from the calculator into the full workflow.
Is this financial advice?
No. The tools and any example outputs are simplified and general only. Use your own professional, planning, finance, tax and legal advice before making development decisions.

Start with a calculator. Grow into the full workflow.

Screen a site in a free calculator, then move into Popurise for saved projects, timing, debt, cash flow and scenario comparison.

Start with the feasibility calculator See feasibility software