Thank you. I've added more photos. The RSJ is just what I'm guessing really as we have a more modern extension on the other side of the house and you can see the RSJ there being lower than the rest of the ceiling. With the rear extension the ceiling just meets together so nothing visibly...
Hi all, newbie here. Recently moved into a 3-bed detached house with double-storey rear extension that is causing me more headache with each day. We didn't do homebuyers survey (apparently didn't need one as my husband was confident that he can spot any issues himself) and I now wish we had. One...