Built to remove the guesswork from Australian property costs
Proppers combines verified data, responsive design, and a guided journey so you can plan with confidence—no spreadsheets, no jargon, no paywall.
Instant results in under five minutes

Comprehensive Calculations
Stamp duty, LMI, ongoing fees, loan costs, and more—modelled with the same engine that powers our calculator experience.

Live State Coverage
Every state and territory is supported with up-to-date concessions, thresholds, and policy changes monitored weekly.

Financial Clarity
Uncover hidden costs before they appear at settlement even if you're a first-time buyer, investor, or purchasing interstate.
Why we built it
Property transactions move fast and the true cost changes with every policy shift. We wanted a calculator that stays current, adapts to your unique situation, and highlights the decisions that impact cash flow the most.
Human-centred design
We speak in plain language, highlight the 'why', and guide you step-by-step so every decision feels confident.
Accuracy you can trust
Our engine mirrors broker-grade workflows, reconciles against government tables, and flags edge cases instantly.
Built with the community
Thousands of Australians have shaped our roadmap—your feedback powers regular enhancements to the tool.
Important disclaimer
Proppers delivers indicative estimates based on current public information. We recommend confirming figures with your conveyancer, lender, or licensed financial advisor before committing to any property purchase.