Kerbio
Updated 2026-09-30

Free property calculators

For UK investors and landlords. No sign-up, and nothing you type leaves your browser.

Bridging loan calculatorWhat a bridge costs, what you actually receive, and how much you can borrow.Rental yield calculatorGross and net yield, monthly cash flow and return on the cash you put in.Buy-to-let stamp duty calculatorStamp duty on an additional property, band by band, with the 5% surcharge.Rental income tax calculatorOwn name or limited company: what you keep after tax, side by side.Buy-to-let calculatorCash needed, mortgage, monthly cash flow, the lender's rent test and what you keep after tax.

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