An elegant sanctuary of inspired design.Here lies a truly rare opportunity to acquire a lifestyle of extraordinary space, traditional grandeur and inspired modern design. Combining position, elegance and exquisite beauty, this majestic c1872 townhouse is one of the Upper East Side's most distinguished properties and offers a refined home of Neo-Georgian style architecture with size, character and utmost privacy.Originally constructed in 1872 by noted Gold Coast Architect, John G. Prague, and later reimagined and lived in by famed architect R.D. Graham, 163 East 64th Street is perfectly situated on one of the most desirable tree-lined, townhouse blocks on the Upper East Side. This magnificent 20 feet wide townhouse features 15 well-proportioned rooms with expansive 90'-deep floor plates. The vast five-story layout will leave you breathless with its sheer opulence, meticulous attention to detail and flowing proportions throughout. Each level is connected by an internal elevator, including a full basement and tranquil roof garden that captures leafy street views. The home features five luxurious bedrooms, as well as an original English pine library dating to 1872 library, a formal dining room, a wonderful Louis XIV-style living room with 10 canvas panels inspired by the Fragonard Room of the Frick Collection and a bespoke Belle Epoque bar area with Lalique-styled glass ceiling providing brilliant natural light. The entrance level also houses the chef's eat-in kitchen with its spacious island bench, marble countertops, Wolf oven, SubZero refrigerators and high-end appliances. The basement is equipped with a temperature-controlled wine cellar, storeroom, as well as a laundry room and mechanical room.It's the finer details that set this iconic residence apart from its neighbors - for example, there are 8 ornate fireplaces, 8 marble baths, decorative chandeliers, masterfully hand-painted wall panels, custom sound system, state-of-the-art security and, of course, radiant heat sidewalks at the doorstep.Additional features include a full-height basement with a window, multi-zoned Central AC with individual control for each room, a backup generator, cedar closets, a private gymnasium, and state-of-the-art AV systems; Exterior facade of raked limestone and red clay brick and an elegant entry forecourt with separate service entrance. Current zoning permits additional square footage (approx. 1,400 sq. ft.) to be added as a 5th floor with a private 6th floor deck above.This imposing property embraces approximately 8,000 sq. ft. living space and has been custom designed and finished with every imaginable luxury. It now offers a magnificent Manhattan residence in one of the UES's most desirable streets a few blocks from Central Park. A short stroll from the front door is a choice of vibrant cafes, wine bars, boutique shopping and many of New York's most notable restaurants.