Property calculators

Built for UK buy-to-let investors. Most are free with no sign-up; a couple of the deeper ones are paid.

• Stamp Duty (SDLT) Calculator →
  Work out stamp duty for a standard purchase, first-time buyer, or additional/buy-to-let property, including the 5% surcharge.
• Rental Yield Calculator →
  Enter a purchase price and monthly rent to get gross and estimated net rental yield instantly.
• Buy-to-Let Yield EstimatorFree to browse, paid to filter
  Pick an area, property type, and bedroom count to see the current market-average yield for that kind of property, from live listings.
• Buy-to-Let Cashflow Calculator →
  Full picture: stamp duty, deposit, mortgage payment, letting agent fees, and estimated net monthly cashflow.
• EPC C Upgrade Cost Calculator →
  Estimate the cost to bring a rental property up to EPC C, ahead of the proposed 2030 minimum for landlords.