Upper East Side Apartment designed by architects and interior designer . Originally designed by Delano and Aldrich in 1917, this building served as carriage house to the William and Dorothy Straight mansion several blocks away. With practically no original detail, this relatively humble structure was reconfigured into something more befitting the client’s needs. To convert it for a single family, interior floor plates are carved away to form two elegant double height spaces. The front façade is modified to express the grandness of the new interior. A beautiful new rear garden is formed by the demolition of an overbuilt addition. The entire rear façade was removed and replaced. A full floor was added to the roof, and a newly configured stair core incorporated an elevator. / This 1917 carriage house was previously a generously sized three family apartment with a relatively humble façade. To convert it for a single family, interior floor plates are carved away to form two elegant double height spaces.