As part of the CEWI-cooperation, Cityförster is developing an implementation concept that shows how the sustainable and careful renovation of real estate can be implemented in the DJH Landesverband Baden-Württemberg e.V.

The mission for DJH Lochen is to be a flagship project for circularity, sustainability and sufficiency. This concept is translated to the offer of the youth hostel, and the architectural design and planning. Following the didactic focus of DJH Baden-Württemberg, the hostel should offer its guests an educational experience for sustainable awareness. This means programs with sustainability themes, active outdoor experiences, and workshops with local resources. These themes are also represented in the architectural concept. The main target groups are school groups, leisure (sports) groups, conference groups, and individual travelers like hikers, cyclists and retreat participants.

The theme of sufficiency has guided the hostel to rethink its offer of rooms: smaller rooms to emphasize the outdoor experience, and the development of a summer house for the peak season. This summer house provides extra guest rooms in the warmer months, making a low-tech building without heating or cooling possible. The summer house transforms the old garage by extending it with a new floor on top. Upon arrival, the summer house is the eyecatcher of the circularity concept.

The main goal of the renovation is to restructure the rooms and meet today's requirements. Because the exterior was renovated in 1982, the focus of the renovation is on the space plan and installations. This means a minimal renovation is sufficient. Where possible, building components are harvested on site or in the region, and repurposed in the summer house and the youth hostel. Where larger quantities of materials are needed, materials based on recycled resources and granulated raw materials are applied, for example recycled rubber, concrete and repurposed wood shingles.

The beautiful location of DJH Lochen next tot the Lochenpass creates an inspiring natural environment in the forest on the hills. The existing outdoor facilities are upgraded, and new functionalities are added to extend the possibilities for outdoor activities. The new multifunctional outdoor spaces contribute to the sustainable outdoor experience of DJH Lochen.

The primary focus of our project entails the resilient and environmentally conscious transformation of two Plattenbau buildings situated on the outskirts of Erfurt, with the objective of establishing a model that can be universally applied throughout the entire neighborhood. The volumes of the two buildings are enveloped by a prefabricated modular grid system, thereby creating an aesthetically refined and low-maintenance design. This approach facilitates not only the seamless integration of novel features, such as entrances on the north side and more expansive balconies on the south side, but also fosters the customization of living spaces and engenders a vibrant sense of community. Additionally, a continuous base serves to integrate the building into the surrounding street context, thereby reinstating a harmonious relationship with the adjacent neighborhood.

Our material choices prioritize economic and sustainable utilization. Easily replaceable wood is employed for planter cladding and facade, complemented by natural fiber insulation and plant charcoal to offset the CO2 emissions associated with the concrete structure. Concurrently, the primary load-bearing structure is composed of concrete, ensuring both fire safety and minimal maintenance costs. A pivotal aspect of our climate-resilient transformation involves the incorporation of greenery on the facades to positively influence the microclimate in the vicinity of the building. This is coupled with a comprehensive rainwater management system, incorporating storage for utilization and retention during intense rainfall events. As a contribution to biodiversity, an assortment of plant species is judiciously combined to provide a year-round supply of flowers and sustenance for insects and birds.

A very special project in our portfolio is the Chalimbana Local Government (CLG) Training Institute in Chalimbana, Zambia as it can be seen as a good example of a passive and self-sufficient city. The aim of the masterplan was to increase the quality of life of both students and academic staff of the Institute, to structure the campus for the long term, and to provide the grounds with a clear, recognizable identity.

Low-tech in construction but high-tech in designing, we created a plan that included everything needed for an autarchic project. In a very sustainable manner, we used the excavated soil to press it into bricks contributing to the buildings being passively cooled and heated. To achieve that we mainly used the sun energy. From a special angle and material of the roofs to the orientation of all buildings to strictly East-West, with the main facades (North & South) avoiding the low angles of the sun, CLG Training Institute became an eco-friendly vision made into reality. Also, we made sure that the rainwater and the cleaned sewage can drain into the groundwater locally, granting a precise water cycle.

The existing road provides access to the campus by car. Simultaneously, a new main route for pedestrian connections is established as the new 'heart' of the campus. It runs between the mostly residential area on the North and the educational program on the South side of the grounds. These two clusters - housing and education - at the two opposite ends of the campus are surrounded by the lecturers' houses, and by leisure activities. By closing off some of the student housing blocks, small neighbourhoods are created, with inner gardens and courtyards providing atmospheric living quarters.

Designing the New City Hall for Tirana offers a unique opportunity to shape the home of the current and future community, and to represent the values of the people of Tirana. The building should introduce a typology that reflects and outlines the features of Tirana as a diverse, inclusive, human and connected European capital. A manifesto for a City Hall 2.0, open to all. The goal is to provide a space for a genuine encounter between civil society, administrators and politicians, to encourage debates.

The building comprises an efficient ring with offices that surrounds a collective atrium, which is composed of extroverted and interconnected volumes that provide space for a dynamic set of functions for both the city administration and the public. The City Hall is fronted by a civic square, a new public space which is conceived as an open-air community centre that houses many different functions for every type of use and age. Minimized energy consumption, the use of natural and efficient technologies and local renewable energy generation makes the New City Hall the first zero carbon emission building in Albania. The main structural parts of the ring office are made of locally available, sustainable wood, with the goal of becoming a carbon-neutral building even in construction.

Located in Drymades beach, the holiday resort Drymades Village is composed of a series of stepped courtyards framed by architecture blending the project into a cohesive village feeling. Following the topography with a 15-meter height difference, the architecture articulates the ground levels to the stepped courtyards bringing an introverted feeling, while on the three upper floors, the units incorporate extended terraces and balconies, expanding the public life to all the levels.

Typologically the villas are approached by the study of the predominant architecture of the location and the aim to find a different output to a resort project where individualization breaks a monotonous design. The iconic image of the Mediterranean villages will be communicated in the architecture with pre-determined elements, such as roofs and facades that compose a catalogue to personalize the villas. Mainly three differently sized units form the masterplan varying from studio units to large family units. They can also be joined horizontally and vertically, widening the possibilities for future owners.

In total, six plazas are interlaced to each other, forming a large interior courtyard that articulates the private with the public space through openings in the architecture. Located at different heights and alternating one to the other, they open up the views of the seafront and offer a range of activities to the visitors. The main approach for the landscape is to keep as much as possible existing vegetation. The landscape changes its composition from a dense forest in the lowest part of the plot to an urban plaza in the highest part. Native species (cypress and olive trees), and plants with low maintenance (Bougainvillea, Cacti), constitute the selected vegetation.

Grounded on rich Albanian heritage.

Aquarium Bay Hotel is designed based on the concept of sustainable tourism. The hotel comprises four separate pavilions, offering different experiences to their guests. Each pavilion has a distinct architectural language and shelters an inner courtyard with a specific and unique character. The four buildings contrast with their surroundings, as a way to accentuate and respect the outstanding local landscape. This landscape of rolling seaside hilltops covered in Mediterranean scrub, as well as the remote location, are considered two of the strongest, unique ‚assets' of the hotel.

The approach to the hotel - by car, boat and helicopter but also by foot and bicycle – is carefully orchestrated, as it forms the start of the customers' journey. Internal circulation is organized by a series of footpaths, - a seaside path, a forest path and a main ‚barefoot' path - making for a sensory experience. The central lobby pavilion provides direct access to the spa, restaurants, conference rooms and casino. Additionally, atmospheric facilities like the plunge pool, the bonfire area, the botanical garden and the rock pool add to the guest experience. The most remote volume houses a small restaurant and bar that allows this building to be operated independent from the others, thus maximizing the privacy of its guests.

Bamako is in a phase of rapid urban development, with the population growing expansively; telecommunications are an integral part of this growth and are a marker for upward social mobility. The height, visibility, and clean volume of the new Orange Mali Headquarters express this situation, thus creating a landmark for the new, mobile urban class.

At the same time, the building sets the bar for offices and urban planning in Bamako, by creating a zero-energy building that incorporates greenery and improves the working environment of the Orange employees. The new Orange HQ is surrounded by a public garden, a layout that makes the office building more accessible and simultaneously creates a social space for gatherings and events. The green spaces continue into the interior of the new office building as a sequence of open terraces. By using 'stacked' office floors, and by interspacing these with high-quality open spaces, employees feel more connected and floorplans can be optimized.

The iconic, geometrical 'zig-zag' exterior is the result of a smart and site-specific design, avoiding direct sunlight on the facade.

The Rinia Complex is located in a former youth park in the center of Fier, on a plot that is open to 3 sides, facing different contexts. Our design for the mixed-use complex addresses these contexts, which represent the different and differing needs of the area. The building seeks to express the ambitions of the City of Fier, that is: to create a new image, one that is fitting for a city that is dynamic and continually growing, and to add important functions to the city like a public 25m pool and a cinema.

Rinia Complex is a truly multifunctional building, with a program that also includes a 5-star hotel, 2 floors of parking space, residential units, a bank, a shopping center, a restaurant, and a casino. All public functions of the complex are accessible directly from the street via external staircases and are embedded into their urban surroundings. The building has been designed to be used in different ways at different moments throughout the day, offering both public/open access and private/restricted access areas. The intricate program has been fitted into a single volume, a uniquely shaped building that is internally 'fragmented' in order to give an answer to the different needs and the diversity of the context, but which also retains its flexibility as an urban 'shelf' that can take on a variety of functions.

The Dhermi Plaza Hotel has been designed as a 5-star hotel along Dhermi's promenade. The project optimizes the square meters available within the plot whilst merging with the context, and offers publically accessible facilities.

Its elongated volume is situated ideally between the beach to the south and the mountains to the north and is characterized by a dynamic facade. The shading system, composed of double-facing sliding shutters, plays with the shadows created by the thin walls. This creates a sense of movement, and reveals the life inside the building, making the hotel guests the 'accomplices' of the architecture.

The hotel hosts different functions which can be separated if necessary, such as the restaurant, spa, and beauty salon on the -1 floor level;5 shops, a pool bar, a swimming pool, a bar, and the hotel lobby on the ground floor level; and an array of variously sized rooms on the first, second and third floor. The top floor has been designed as an active neighborhood/village, with various leisure facilities for both adults and children. It stands out from the rhythm of the facade and offers the guests panoramic views The hotel grounds have been designed so as to offer a range of different sports activities, from swimming in the 25 m pool to playing basketball on the shaded field.