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.

Start the free calculator

Instant results in under five minutes

Comprehensive Calculations

Comprehensive Calculations

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

Live State Coverage

Live State Coverage

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

Financial Clarity

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.

Trusted by thousands of Australians in 2025

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.

Proppers | Australian Property Cost Calculator