Your agreement in principle has a duration of about 30 to 90 days depending on the lender. If your circumstances or credit history change during this period (for example. B if you miss a credit card payment), the validity of your AIP changes. A PMI shows a real estate agent that you are able to get a mortgage and pay the monthly repayments on top of your deposit. An Agreement-in-Principle (AIP) is provided by your chosen lender to show that they could in principle give you a mortgage up to a certain amount. Even if it is not a complete mortgage application, you must still provide information to reach an agreement in principle. To reach an agreement in principle, you must contact a mortgage lender, either directly or through a mortgage broker. Be sure to get advice on products and lenders before proceeding with an agreement in principle, as an agreement can leave a soft or hard imprint on your credit report. . . .