Under-construction front-facing penthouse maisonette of 185 sq.m., located in an ultra-luxury building of modern architectural design, in Vrilissia. The property stands out for its high-quality construction, refined aesthetics, and advanced comfort and energy-efficiency standards. The main residence extends over 125 sq.m. and features 3 spacious bedrooms, 1 bathroom, 1 guest WC, and a bright open-plan living room with kitchen and dining area, with direct access to large balconies. The 60 sq.m. attic level includes one bedroom and one bathroom, offering an ideal space for a master suite, home office, or independent use. At the top level, the property boasts an impressive 56 sq.m. roof garden, featuring a private swimming pool – jacuzzi, ideal for relaxation and entertaining, while enjoying unobstructed views. This penthouse maisonette is an excellent choice for those seeking privacy, luxury, and an elevated lifestyle. The residence is equipped with independent natural gas heating, underfloor heating, air conditioning, a security entrance door, alarm system, electric awnings, and thermally insulated aluminum frames and energy-efficient glazing, ensuring excellent thermal insulation and energy performance. The property includes two parking spaces and a storage room. The corner-positioned building offers panoramic views of Mount Penteli and the city of Athens, further enhancing the exclusivity and appeal of the residence. Estimated delivery: December 2026.