In the most emblematic street of the Jeronimos, and just 100m from the entrance to Retiro Park, we find a unique property in the luxury real estate market of Madrid. The property is a duplex of 400sq, with 18 windows on the street. It is almost impossible to find such an outdoor space in Madrid for an office.The apartment, with access from the front door, has on the upper floor a spacious living room separated by sliding doors of the dining room, a modern fully equipped kitchen, hall, a large master bedroom with dressing room and bathroom on suite, and a second bedroom with full bathroom next to it; and on the ground floor we have the children's area, with a living room, large bedroom with dressing room and full bathroom, and a room for service with bathroom included.The property has been refurbished with the maximum qualities in exterior and interior carpentry, individual gas heating installations by radiators and air conditioning by ducts in all the rooms, the materials of kitchen and bathrooms and the electrical installation. Great care has also been taken to preserve some of the original elements of the building, such as the granite pillars, the vaulted ceilings of some rooms, and the original brick found in some walls.The building, from the beginning of the 20th century, has a concierge service and elevator.The property is rented unfurnished.