Name That Shed (updated)

Now this really is very tricky. I can only find one photo of it on the interwebs. It's the summerhouse building at the front of the picture and was certainly used for shedworking. Since you've been so red hot in previous weeks I'll give you no clues until Sunday except that there is a Quaker connection...

Clue: the shedworker in question was a famous grammarian and it's technically a summerhouse...