?
All that was specified in those days was that buildings had to be 16 feet back from the lot line.
I think you missed my earlier point.
point out that Newbury Street in no way had 20 ft setbacks of grass
My point is if you go to Newbury Street, there are setbacks, but only virtually. As in patio or stairs or something like that. I'm pretty sure when Matthew said they want 20ft of setback, they want 20ft of setback of grass and only grass. At least that's how Matthew seem to picture it.