Historical renovation of luxury 6,000 square-foot pre-war co-op duplex in collaboration with St. Charles® New York. Included new kitchen and butler pantry renovation, addition of oversized windows with magnificent views over the East River, and a sustainable central air system. Pure white Thassos marble is featured in the master bath and kitchen with Italian brass hardware, waterfall-edge countertops, and high-tech custom lighting completing the décor.