Hell no, changing anything to do with a mortgage is a bloody nightmare. The wife and I bought our house together before we were married. We thought it would be a simple matter to change her surname on the mortgage when we got married but no, not a bit of it. If we wanted to change it we had to incur several hundred pounds of legal fees. They said they didn't actually require it to be changed so it wasn't and it still hasn't six years on. The mortgage will remain jointly in her maiden name until it is paid off.