CENTRAL PARK VIEWS  Located on a high floor at the elegant 1120 Park Avenue in the heart of Carnegie Hill, apartment 19D is filled with natural light and offers views in every direction.  The west-facing living room captures dramatic sunsets over Central Park, offering elevated views of the reservoir and select areas of the park.  The elegant layout of the main rooms includes a grand 16'x20' living room, a proper entrance foyer and a large kitchen adjacent to a formal dining room.  There are elegant herringbone wood floors throughout the main rooms.    The private and separate bedroom wing features two enormous bedrooms and a study.  The primary bedroom is 13'x25' with ensuite bathroom and southern views. The study, originally a maid's room with its own full bath, offers flexibility for a home office or guest space; the bathroom can be reinstalled as a full bath or powder room.  In-unit washer/dryer installation is also permitted.  This residence has been the home of the same family for over 45 years. It was carefully updated and maintained, and the apartment remains in very good condition.  Built in 1929, 1120 Park Avenue was designed by renowned architect George Pelham, celebrated for his many luxury residences along Fifth and Park Avenues and throughout Manhattan between 1890 and 1930.  This is a full service white glove building with a doorman and concierge.  There is a live-in resident manager, a fitness center and bicycle room. The building allows 50% financing and pets.  There is a 32 square-foot storage unit which transfers with the sale.