Located in one of Athens’ most authentic and vibrant neighborhoods, Kato Petralona, this bright and partially renovated apartment is available for sale, ideal for professional use such as a medical practice, dental office, law firm, or technical office. The property is situated on the mezzanine floor of a well-maintained building dating back to 1969, on a busy street that significantly enhances its professional visibility. It is also just a 3-minute walk from Petralona ISAP station, providing easy and convenient access for clients and staff. The building is well-kept, with organized management and very low common expenses. The apartment is corner, dual-aspect, and front-facing, with a northwest orientation that provides abundant natural light and ventilation—features particularly important for professional spaces. Its mezzanine position also allows for the installation of a professional sign, further increasing the visibility of the business. With a total area of 61 sq.m., the apartment was renovated in 2020 and features a functional layout that perfectly meets professional needs. Upon entering, there is a spacious reception area, ideal for a waiting room or front desk setup. The property includes two independent rooms that can serve as offices or examination rooms, ensuring privacy and flexibility. Both rooms have access to private balconies, while all main areas benefit from natural light. A separate kitchen adds to the functionality of the space for staff use. The bathroom is internal, equipped with a ventilation system, and includes a loft above the entrance for additional storage, meeting the practical needs of a professional environment. The renovation includes essential upgrades such as a new electrical panel, new radiators, modern interior doors, and two air conditioning units (AC). Heating is autonomous with natural gas, providing efficiency and cost control. It should be noted that the window frames remain wooden, while the kitchen and bathroom are fully functional but have not been recently renovated. The property’s visibility, central location, easy access, and functional layout make it an excellent choice for professionals seeking a workspace in a dynamic neighborhood. A property that combines practicality, visibility, and professional potential, ideal for housing modern healthcare services or office operations.