Upper East Side

Renderings have been revealed for the redevelopment of 831–837 Madison Avenue on Manhattan’s Upper East Side. Designed by David Chipperfield Architects for Akris Inc., the project involves the construction of a 16-story residential tower at 831 Madison Avenue as well as the restoration and partial expansion of three late-19th-century row homes at 833–837 Madison Avenue. The new structure would stand nearly 200 feet tall. SLCE Architects is the architect of record for the property, which is located between East 69th and 70th Streets within the Upper East Side Historic District.

Renderings have been revealed for the expansion and residential reconfiguration of 809 Madison Avenue, a 12-story building on Manhattan’s Upper East Side. Designed by Robert A. M. Stern Architects and developed by Harry Macklowe of Macklowe Properties and SK Development, the project involves the addition of three floors above the existing roof, as well as a full renovation to convert its interiors into single-floor condominium units with an average scope of 4,000 square feet. The 159-foot-tall structure will also be expanded horizontally on its eastern elevation and will get new, larger windows. The roof-level addition will house a sprawling penthouse with a 1,500-square-foot private terrace. SLCE Architects is the architect of record for the property, which is located at the corner of Madison Avenue and East 68th Street.

Construction has reached street level at 171-179 East 86th Street, the site of a 17-story residential building on Manhattan’s Upper East Side. Designed by Skidmore, Owings & Merrill and developed by ZD Jasper, the 210-foot-tall structure will yield 25 condominium units with an average scope of 2,280 square feet. The project will also include 2,300 square feet of ground-floor retail space and two cellar levels. The property is located at the corner of East 86th Street and Third Avenue.