Well I was planning to do it under permitted development and keep it single story, I was hoping worst case to only remove the inner skin add dpc and then build from there. Is this feasible?
Was going to fill the wall with the same type of insulation the house currently has, I wondered if they had planned for it as the wall is the exact size of the rear of the house.
The wall out the back of my house to retain clay is a cavity wall, the foundations of the wall are as thick as the house foundations, I'm wondering if I could do a single story extension off of the wall and just build up to the wall plate. My issue is what about DPC? Obviously there is no DPC in...