Hi there, wondering if anyone could give me any advice, I recently converted my studio flat into a 1 bed which involved putting up a stud wall, replacing an existing window that was covered up with a new double glazed one, I also removed a doorway and door to create a more open plan hallway area/lounge. Have recently sold the flat, somehow throughout this whole process no one told me that I needed to get building regs approval (don't ask..), so have paid for regularisation/retrospective approval with my local council building control. Have been speaking to one of their people over the last few