Question: how long does it take to get a mortgage in principle?
Answer: What it is. An Agreement in Principle (AIP), also known as Approval in Principle, Decision in Principle, Mortgage in Principle, or a Mortgage Promise, is a written estimate from a lender stating what you might be able to borrow. You can usually get an AIP within 24 hours and it is normally valid for up to 90 days.