For the wealthy, windows could have been a selling point or even a status symbol.
Possibly ‘sashed’?OED adj. first defn. “Provided or constructed with a sash or sash windows.”
"The apertures, particularly well-ſaſhed windows, give chearfulneſs and delight to every houſe; ..."Edward Tatham's "Oxonia Explicata", pub 1773
From the Newcastle Journal of June 14th, 1751, we learn that 'The Whaggs,' near Whickham, was 'a new-built house of hewn stone, well-sash’d,' an expression often used in the advertisements of this period, 'wherein Mrs. Barras lately dwelt,'