What is the minimum and or maximum age I need to be to get a BTL mortgage? 10 February 2023 14:34 Updated You need to be at least 21 at the time of us providing you with a buy-to-let offer. There is no maximum age you can be to get a buy-to-let mortgage with Molo. Related articles I'm retired - can I still apply for a mortgage? I'm a limited company director, can I apply for a Buy to Let mortgage? What income do you accept for a Buy to Let mortgage? I've recently changed my employment - will this affect my application? What information do you need from me?