Property calculators & tools

Free, no-signup calculators to help you run the numbers on a UK property purchase or rental deal. Pick a tool below to get started.

Buy-to-let mortgage calculator

Model a rental deal end to end: monthly cashflow, gross yield, LTV, deposit and lender-style rent coverage with a stress test.

CashflowRent coverageStress test
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Stamp duty calculator

Work out your SDLT for England and Northern Ireland with first-time buyer relief, the 5% additional-property surcharge and a band-by-band breakdown.

SDLTFirst-time buyerBuy-to-let surcharge
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Property Calculators & Tools UK | UK Landlord Tools | Bellsoph