Our mobile affordability calculator lets you find out how much can be borrowed on a TMW Buy to Let mortgage wherever you are; whether it be visiting a client, waiting for a train or even in the bath. Just don't drop your phone in the water.

Simply input the estimated valuation and rental income and we'll tell you the maximum The Mortgage Works will lend. You'll also be able to click through to see the products available at each loan amount, so download it today.

If you're reading this page on a mobile simply touch one of the buttons on the right to dowload the app. for your phone or iPad, if not scroll down to scan one of the QR codes below.