Hi
I am need of more room in my 1986 semi detached house which originally had 3 bedrooms the 3rd one being 6' 6" x 6' 6". The house is approx 22ft (front to back) by 15ft (partition wall to gable) with trusses spanning the 22ft at pitch of approx 30 degrees. Trusses are modern fink type i.e...