More to explore:
Greenhouse from reclaimed windows and doors.
My greenhouse from reclaimed windows
Greenhouse constructed from reclaimed doors, windows and millwork. by amy.shen
A custom greenhouse with reclaimed windows. It would be so fun to fill this with plants ...
I think I have this issue of flea market style sitting around somewhere... the entire thing is made from reclaimed windows. It makes me die with garden-lust.
A lean-to greenhouse is probably the way to go. These attached greenhouses are typically around 4′x8′ and can be made of reclaimed windows