Located in the heart of the Upper East Side, this duplex penthouse condominium boasts spectacular city vistas from every room, benefits from multiple terraces, including a wonderfully large private rooftop terrace, and enjoys a modern sensibility. A thoughtful floor plan uses a central staircase to maximize the wonderful sense of privacy and open views that exist throughout the apartment. Perched high above the city, the residence profits from an abundance of natural light, divine outlooks, a marvelous feeling of sanctuary, and nearly 1,000 square feet of terrace space. From a semi-private elevator landing, the double-height Foyer presents a semi-curved staircase to the upper level and is open to a skylight above. A Powder Room and a coat closet are conveniently accessible. The very wonderful south-facing sun-drenched Living Room has three very large windows with delightful city views and a wood-burning fireplace. Nearby, the Dining Room wraps a corner and is also filled with light. An efficient chef's Kitchen with state-of-the-art appliances is handy to both the Dining Room and a separate Breakfast Area, the latter of which has access to a nicely-sized south-facing Terrace. Also on this level is an additional Bedroom with an ensuite bathroom, pretty northern outlooks, and its own generous and well-proportioned Terrace. Above, the substantial Primary Bedroom has spectacular southern cityscape views, very ample closets, and an ensuite marble bathroom which features a soaking tub with wide city outlooks from a sizable picture window as well as an oversized shower. There is an additional Bedroom with an ensuite marble bathroom and very pretty northern outlooks. Separated by the central staircase hall, both Bedrooms have marvelous privacy. Just outside, a nicely-sized planted Terrace accesses an exterior staircase leading to a magnificent open Roof Terrace with panoramic vistas in all directions. Brilliant for entertaining beneath a canopy of stars or on days filled with sunshine, the banquette lounge seating and dining areas are supported by a nearby fully-enclosed room with a refrigerator and wine storage. The Belgravia is a full-service, white glove condominium. Among its many advantages, it features a private fitness center as well as a beautifully-landscaped Japanese garden in the lobby courtyard. Impeccable staffing includes a full-time doorman and porters, a concierge, and a resident manager. Ideally located, this wonderful residence is very convenient to many of the city's best schools, museums, restaurants and shops, and to the idyllic pleasures of Central Park. Pets are welcome.