Free calculators for UK Landlords.

Estimate your monthly buy-to-let mortgage payments on an interest-only or repayment basis, and check whether your rent passes the lender's ICR stress test.

Work out the stamp duty you'll owe on a UK property purchase, whether you're buying a buy-to-let, a second home, a first home or a portfolio. Covers England, Northern Ireland, Wales and Scotland.

Work out the gross and net yield on a rental property, factor in void periods and running costs, and see what your investment really returns.

Landlord earning rental income from a tenant in your home or a buy-to-let property? Quickly calculate how much you can expect to pay in rental income tax.

Free UK open market rent calculator built on ONS and Property Data. Check local market rent and build defensible evidence for a Section 13 rent increase.

Log every business journey from inspections, and contractor visits, to viewings and DIY stops. Calculate the driving distance automatically, then apply HMRC's flat mileage rate (55p/mile for the first 10,000 miles) to see your total deduction. Download a tax-ready PDF in three clicks.