Your first house, transferring to another mortgage because the interest is lower. It’s possible. There are many banks and other companies that offer a mortgage. When buying your first house, all of the information you get will probably be new and unfamiliar.. A house is the biggest purchase of your life, but it can be unclear which bank you should choose. And how do these banks deal with you? Did you encounter unexpected surprised after taking out a mortgage? How can you calculate how high your mortgage can be? Was there some fine print that got you into trouble? Prepare yourself and others by reading experiences, reviews, opinions and complaints from fellow clients and leave your own.