A serrated transom window above the closet in the children’s room floods the hallway with natural light. “By moving some closets and shrinking the size of the bedrooms, we were able to get three bedrooms out of two without taking away any floor space from the central living area,” Stageberg says. The closets feature extensive built-ins and the ceiling height helps the smaller rooms feel expansive.  Photo 6 of 7 in Luminous Apartment in a Historic NYC Building