Buy to let affordability calculator

Our buy to let (BTL) affordability calculator gives you a quick and easy decision as to whether your client(s) meet our affordability criteria, before submitting a case to us.

We consider both personal and rental income within our affordability calculation, undertaking a detailed affordability assessment of the borrower(s). Since our income affordability test includes all relevant costs, applicant level tax liability (including mortgage interest relief changes being phased in from April 2017) and assumes a stressed borrower interest rate (for existing and applied for BTL mortgages), we no longer need a separate rental coverage ratio test – simply complete all relevant fields below.

The result is dependent on the accuracy and completeness of the information inputted and will be checked as part of our underwriting process.

For help with using this calculator, here’s our Using our BTL affordability calculator guide. For more detailed information on how our BTL affordability calculation works, download our Guide to Calculating Affordability.

Your client’s new BTL mortgage requirements – subject property

New loan amount requested (subject property)

Interest rate

Mortgage term

Anticipated gross annual rental income

Property value

Is this property a flat (or maisonette)?

Tick here if this mortgage will be on an interest only basis

Tick here if the property is a new build (less than 2 years old)

Tick here if any applicant already owns a residential property in the UK

Other buy to let mortgages (including mortgages on a permission to let) – excludes subject property

Number of other existing BTL mortgages (on completion) – excludes subject property

Total combined balance outstanding of other existing BTL mortgages (on completion) – excludes subject property

Total combined monthly repayment of other existing BTL mortgages (on completion) – excludes subject property

Number of applicants

Number of financial dependants

Tick here if applicants one and two live at different properties

Applicant one – income and commitments

Where does this applicant live?

Personal earned income

Tick here if the applicant has employed income

Annual basic gross income

Annual bonus for the current year

Annual bonus for the previous year

Monthly sustainable allowances

Monthly overtime

Monthly commission

Monthly bonus

Tick here if the applicant has self-employed income

Annual income before tax for the most recent year

Annual income before tax for the previous year

Personal income (other)

Annual non-taxable income

Annual pension income

Rental income from other existing buy to let(s) – excludes subject property

Gross annual BTL rental income (excludes subject property)

Credit card balance

Other monthly credit commitments

Monthly cost of mortgage repayment vehicles, i.e. Cash ISA or other saving, Endowment Policy, Share / Unit & Investment Trusts, Stocks and Shares ISA

Monthly service charges, ground rent and council tax – for Residential property

Monthly maintenance and/or childcare costs (including child tax care vouchers) and school fees

Other regular monthly commitments (please do not include pension contributions). If applicant is a non-owner occupier, please input current monthly rental payment (e.g. living with family/friends, private tenant).

Other residential mortgages – on completion

Number of residential mortgages

Important information

Terms and conditions

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This website is for the use of mortgage intermediaries only.
All other individuals looking for information should visit the mortgages pages at barclays.co.uk/mortgages

If you reproduce any part of the information contained in this communication, to be used with or to advise clients, you must ensure it conforms to the Financial Conduct Authority’s advising and selling rules. It's your responsibility to ensure that the information you’re using is the most up to date in line with our most recent communications to professional mortgage advisors. If you’re unsure that you are using the correct versions, please check with our intermediary support team.

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