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Buy-to-let mortgage calculator

Buy-to-let lenders check that the rent covers the mortgage interest by a set margin at a “stress” rate. See what your rent could support.

Your details

Your income tax band

How this works

  • Lenders usually need the annual rent to cover the annual mortgage interest by 125% (basic-rate taxpayers and limited companies) or 145% (higher-rate taxpayers), tested at an interest rate of 5.5%.
  • We also cap the loan at 75% of the property value, and show the lower of the two.
  • Criteria vary a lot between lenders, especially for five-year fixed rates, portfolio landlords and HMOs.

These results are estimates for illustration only, based on the figures you enter and the assumptions shown. They are not a mortgage offer or personal advice, and what lenders will offer depends on your circumstances.

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Leave your number and an adviser will call you back — within two working hours in office hours. Your adviser will see the figures you entered, so you won't need to repeat them.

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