Oh, Im going crazy. Weve moved in month ago and I see more and more cracks in the house. Reading helpful posts here I think these are all plaster hairline cracks but why there are more and more?! We live in a middle of terrace, 15 years old house. Survey was really good, no issues, apart from missing gas detector. Outside walls are intact. I noticed that wooden staircase has lots of gaps, one internal wall detached from the skirting board and this sound of popping plaster. I realised that I hear it in second floor bathroom in the morning when the heating is on. I also have this thing on the wall downstairs and on the 1st floor, does anyone know what that is? I should be happy and think about decorating but I can`t really enjoy my new house :(