Amazing opportunity - with architectural plans - to combine two top floor apartments into a truly unique and spacious mansion penthouse duplex. On the top two floors of a 25-foot wide mansion-turned-boutique cooperative is a beautiful 2-bedroom duplex penthouse gem with a large landscaped private terrace, prime for combining with the adjacent top floor one-bedroom apartment and creating a grand 3+ bedroom masterpiece, on one of the most coveted, tree-lined blocks in Lenox Hill. Property highlights: - Soaring 10-foot, 8-inch high ceilings - Central air conditioning - Beautiful hardwood floors - Custom built-in cabinetry and a decorative fireplace - Sun-flooded southern exposure and skylights - Over 2,000 +/- sq ft - Quiet, private landscaped terrace of 325 +/- sq ft Building highlights: - Boutique cooperative in a historic 1910 limestone mansion - Elevator service to the fifth floor - Moments from Central Park, high-end shopping, dining and culture - Easily accessible via Subway by the 6, F & Q trains, as well as all major thoroughfares - 50% financing is permitted - Pets permitted on a case-by-case basis - 3% flip tax