Three-Bay Town House
A two-thirds double-pile house could be enlarged on a narrow urban lot by adding a one- or two-story rear extension. Extensions were usually narrower than the front block and Carried back on one original side wall. This form was most popular in the late eighteenth and early nineteenth centuries. Murtaugh 1957, 11; Rifkind 1980, 27. (Jakle, 1989)