“In historic districts, the commission always regulated the entire lot,” said Sarah Carroll, the director of preservation at the agency. “But in the last decade we’ve been seeing more applications for rear-facade changes, particularly in Brooklyn, where there hadn’t been as many changes in the rear yards as in the past. And so we’ve been focusing more on the interiors of blocks.” — NYT
Constance Rosenblum reviews a number of recent examples of "contemporary" brownstone renovations in NYC. The article refers to work by Michael Rubin Architects, Rafael Viñoly, Rogers Marvel Architects, Kinlin Rutherfurd Architects, David Hecht and Brendan Coburn Brooklyn architects. One basic point is that the town-house typology, proves very adaptable. However, there is a tension between flexible accommodation and rigid preservation-ism, in terms of aesthetic conservation.