Grand 12 room duplex “townhouse” maisonette in a full service pre war building. Elegant entertaining spaces with marble entrance foyer leading to a sunken living room, formal dining room, panelled library, gas fireplaces; large eat-in kitchen with stainless appliances and granite counters, pantry, and laundry. 1,350 square foot professionally landscaped garden. Upstairs are 4 large bedrooms, 4 bathrooms, walk-in closets and ample storage areas, as well as a solarium with kitchenette used as gym or extra family room. Downstairs are two more bedrooms with bath, perfect for nanny, guest rooms, children’s rooms or home offices. Enter through a stately private street entrance or through the 24 hour attended lobby with elevator to second level. This unique home has perfectly proportioned space, privacy, exquisite pre-war details, and is in excellent condition.