Greenox Urban Residence is located within an urban regeneration zone on the European side of Istanbul, where existing buildings on the secondary frontage of Levent Büyükdere Avenue are being redeveloped as part of a comprehensive transformation process. In response to the increasing concretization of Istanbul and the growing need of city-center residents for greenery and oxygen, Greenox Residence was conceived as a living organism that respects nature and uses energy and water resources efficiently.
The initial conceptual approach aimed to transform the mono-block mass, which was imposed by existing zoning conditions, into a structure capable of guiding change by utilizing the potential of its location. Through an evaluation of the shortcomings of the surrounding developments, it was observed that green ground surfaces were almost nonexistent in the area. Accordingly, transformation was interpreted not as simply demolishing and rebuilding the same structures, but as enhancing the environmental and urban qualities of what replaces them.
The façade structure, inspired by the metaphor of tree branches, defines the primary architectural expression of the building and effectively utilizes the site by extending the connection with greenery from the second dimension into the third, forming a green envelope. The footprint of the building has been lifted to create a landscaped social roof, while the project also extends beyond its plot boundaries to reorganize the adjacent park area, establishing a ground plane that integrates seamlessly with its surroundings. With 900 trees and shrubs and 25,500 plants incorporated into its façade, Greenox rises as a green building that produces approximately 2,373 cubic meters of oxygen annually.
Compared to standard buildings, it emits 250 tons less carbon dioxide per year and achieves around 40 percent savings in water and energy consumption, contributing both to the environment and to the residents’ economy. The vegetation helps the city and its inhabitants breathe by producing oxygen, absorbing carbon dioxide and dust particles, and providing thermal and humidity insulation on the building façade. Deciduous plants allow sunlight to penetrate interior spaces in winter, while in summer their foliage blocks excessive heat and direct sunlight. As a result, the building remains cooler in summer and warmer in winter with reduced energy consumption, while all irrigation and fertilization systems are fully automated.
Planned around a sustainable living concept, Greenox holds both the LEED Gold certification and the EDGE green building certification, awarded for the first time in Turkey by the World Bank’s IFC. An ecological design approach was consistently maintained, combining systems that meet user needs while ensuring long-term sustainability.
Rainwater is collected and integrated into the façade system to support the automatic irrigation and fertilization of park, landscape, and exterior green areas. Greywater systems enable the purification and reuse of water, contributing to the conservation of water resources and positively affecting the natural water balance. Solar panels installed on the roof generate energy from sunlight, increasing energy efficiency and supplying lighting for common areas.
Within the planning framework, three different typologies were developed to define private, semi-private, formal, and semi-formal spaces, while courtyards designed for socialization and interaction host diverse functions. The project comprises 11,500 square meters of residential space and 1,100 square meters of social facilities, consisting of a single 24-story block with a total of 170 residences in 1+1 and 2+1 layouts ranging from 50 to 91 square meters. Parking and technical areas are located across six underground levels, while the ground floor accommodates service areas responding to daily user needs, and the 17 residential floors above are designed with 1+1 and 2+1 apartments.
Courtyards enriched with green and water elements serve as focal points and are differentiated both functionally and in terms of design language. The entrance area adopts a more formal character, while the social courtyard, which hosts communal amenities, embraces a more comfortable and vibrant atmosphere. Special areas such as the social courtyard and terraces feature innovative and flexible design solutions, allowing spaces to transition between different functions.
Guest suites, meeting and co-working rooms, a pool, fitness areas, seating zones, and barbecue spaces on the terrace were designed to foster social life within a lush green environment. A spatial configuration that maximizes the use of private areas was developed and supported by guest suites on the ground floor, while a second layer of shared spaces was created on the terrace level. Within a holistic design approach, a city-integrated garden level offers spaces for health, sports, individual, and social activities, including sports areas, sauna, pool, bar, seating zones, and observation terraces, creating enjoyable environments accessible from every point of the building.