Architect Alex Gil and his wife, Claudia DeSimio, have lived in their Williamsburg apartment for 15 years, but the first incarnation was significantly smaller. "This started out as a tenement layout in a 140-year-old building," said Gil, the founder of the architecture firm SPACECUTTER. The couple eventually expanded on the third-floor, 500-square-foot unit by completely gutting it.
Curbed NY has the rest of the tale and quite-nice photos. >>