For Sale: Luxury newly built maisonette on the 6th floor (penthouse) in Kallithea, located in a quiet and privileged area, next to the Ilissos pedestrian street and cycling path. The property has a total surface of 120 sq.m. and is a front-facing floor apartment, bright, airy, sunlit and dual-aspect, with a southwest orientation and open views over the urban landscape. The residence is developed on two levels and consists of three comfortable bedrooms, two bathrooms, a spacious living room and a kitchen with the possibility of separation. An internal staircase enhances privacy and modern architectural character. Floors are finished with high-quality tiles, while the external frames are EUROPA thermally insulated aluminum with double energy-efficient glazing, electric shutters and insect screens. The construction meets high standards, featuring enhanced anti-seismic specifications (+1 seismic acceleration category), C30/37 reinforced concrete, external walls with Climablock energy bricks and 10 cm thermal insulation, ensuring excellent thermal efficiency. The property has Energy Class A and is equipped with autonomous natural gas heating, solar water heater, radiators, thermal insulation system and provision for air conditioning units. It offers a high level of comfort and security with a reinforced security door, video intercom, alarm system, fire detection, smoke detector, three-phase power supply and fiber optic infrastructure. The building includes an elevator, accessibility ramp for people with disabilities and a modern, timeless architectural design combining stone and concrete. Pets are allowed. The price includes a comfortable pilotis parking space with infrastructure for electric vehicle charging, as well as a large 10 sq.m. basement storage room. A spacious veranda further enhances brightness and everyday functionality. The location is excellent, with direct access to metro, electric railway, tram and public transportation, just 500 meters from Kallithea ISAP Station and approximately 9 minutes on foot. Parks, the sea and beach, schools, kindergartens, supermarkets, local markets, shopping centers, dining and entertainment venues, universities, museums and the city center are all within close proximity. Delivery date: September 2026. An ideal choice for a primary residence or investment, combining contemporary architecture, high construction quality and an outstanding location. For immediate and personalized assistance, contact Axon Real Estate today at 2109229058 or at info@axon.com.gr. Our experienced team responds quickly and efficiently, offering solutions tailored to your needs and guiding you through every step of your search until you find your ideal home. A dedicated agent is always available for an immediate appointment and responsible updates, ensuring you enjoy a truly superior real estate buying experience. Axon Real Estate, contact phone: 2109229058, email: info@axon.com.gr, website: www.axonrealestate.gr