Revised plan has support where the bifolds meet in the corner. The posts are now 150mm and where I would like them. 150mm timber would look pretty cool, but I'm…

I would like my entire ground floor to be polished concrete including the bathroom and shower base. Anyone done a polished concrete shower base?

My plan has some external posts on it which support the first floor. The first floor overhangs the ground floor (first floor is the blue outline). The ground floor has…