The recyclinghouse is an experimental residential building in the Hanover district of Kronsberg. It is a prototype that tests the possibilities and potentials of various types of recycling in the real laboratory and shows a cycle-oriented and resource-saving planning approach.

On the one hand, the recycling center relies on recyclable building products, such as the raw construction made of glue-free solid wood elements. On the other hand, recycled materials such as the foundation made of recycled concrete or wall insulations made from old jute bags are used. There are also large quantities of used components being used which, if possible, originate from the building stock of the client GUNDLACH or have been obtained locally. Particularly important is a recycling-fair design that allows the use and disassembly of the components without loss of quality or a sorted separation of the materials after the end of life.

The construction industry is one of the largest waste producers and consumers of resources and a significant contributor to global CO2 emissions. When planning buildings, today it is mainly the energy consumption in the operation of a building that is considered. The considerable amounts of "gray energy" involved in the production of buildings remain largely unconsidered. Here, the existing building stock can also be understood as huge raw material storage. The recycling of building materials and materials as well as recycling-friendly construction methods will play an increasingly important role in the future.

The project PELIKAN MIX4 is characterized by a variety of dwelling types according to urban lifestyles. Within an urban master plan four distinctive characteristics are developed:
A landscape tableau is the connecting element, forming an entrée for the private, semi-public and public spaces. Generous lobbies in each house compose a discrete identity and a space of encounters. A great flexibility in the floor plans allows a variety of different apartments in size and type. According to society demands, the types "wellness", "sustainable", "extravagant" and "comfortable" are developed. They differ in constellation of rooms, material, building equipment and the offer of outdoor spaces. So called "Glorietten" crown the buildings and optimize light, spatial peculiarity and views.

The residential crown is a prototype of settlement 2.0. Rooftops of retail and office buildings, as well as parking garages, are activated, attractive locations are opened up, existing infrastructures are used more efficiently and the mixture of programs in the city centre is improved. The existing parking garage is complemented with penthouses as part of the renovation of the façade and entrance area. These residential units distinguish formally from the existing building structure and simultaneously give the building a harmonious completion.

Entrances and circulation of the building have been reorganized so that independent addresses for the car park and the residential building are clearly recognizable. The residential building is accessed (barrier-free) via a representative lobby on the ground floor with exclusive elevators that lead directly to the central, landscaped residential courtyard. The residential units are accessible from this common space. Each apartment (50 to 120m²) has a spacious, private terrace overlooking the rooftops of the city.

The Nümbrecht School Centre is to be restructured in several construction phases and thus converted from a classical corridor school with internal, anonymous and unused corridors into a new spatial-pedagogical concept, the Cluster School.
The corridors will be activated and transformed into communication zones, supplemented by group / EVA rooms and team stations, as well as niches and self-study areas, and opened to the communication zone.

In order to maintain a clear location of the gymnasium and the secondary school after the merging of the Hauptschule and Realschule to form the secondary school, the former Hauptschule will be demolished and the school centre supplemented by the new building of the secondary school. The planned new building contains 18 classes, 3 team rooms and 12 special learning rooms, which are grouped together in clusters.
The central interface between the existing building and the new one is the "common centre", which ensures the connection of the new building to the existing school centre.

From a factory site to a green living quarter!

The concept for the area of ​​the former fireclay factory in Bonn-Duisdorf transforms the industrial site into a green neighbourhood with a high quality of living. The urban arrangement of the buildings is derived from the noise impact from the south and the location within a larger city block. A four-storey block building with a stagger along the railway line shields the quarter from the noise. Two polygonal, four-storey solitary buildings in the south form the transition to the more loosely arranged buildings in the area. The structurally identical buildings fit into their surroundings by being twisted against each other and creating diverse and exciting spaces through recesses and bends.

A neighbourhood square is being created that will serve as an identity-forming address and meeting point. An additional green open space stretches to the east, where the opposite entrances to the buildings are located.

All adjoining municipal and private plots of land in the east and west can be integrated into the urban picture. The existing building, a shelter for the homeless, can be retained and further developed by adding another story and balconies. The green connection in the middle of the quarter will be extended and merged with a green area with a playground. In the west, a solitary structure can provide a clear edge to the neighbourhood square and minimize the noise impact on the inside of the quarter.

All new buildings are planned as wood hybrid buildings and can be recycled and later returned to the material cycle thanks to their deconstructability. Noise protection, spatial formation, and the quality of living are not dependent on the development of the neighbouring properties, guaranteeing a functioning and green residential area.

As the entrance to Stuttgart's new main station, the A3 development site plays a special role in the urban fabric. In a location that, more than almost any other, symbolises transformation and public consultation processes, the open public competition 'Raum für Ideen' (Space for Ideas) highlighted what is missing from the future city centre: a consumption-free, weather-protected yet open space for the urban community.
With the O.A.S.E., we propose a social innovation hub here as public-benefit-oriented infrastructure – an Open Appropriation and Social Development Space that functions as a climatic and social oasis.
The reused supporting structure of the historic station canopy provides an overarching framework, beneath which a permeable fabric of open space and buildings emerges. In this sheltered interior, leisure and activity converge: people can simply be here, strike up conversations, initiate projects, develop them further together and test them in practice. Workshops, open learning and exchange spaces, as well as venues for display and presentation, intertwine to make social issues visible and negotiable.
This creates a new urban space that not only offers shelter and a pleasant environment, but also acts as a catalyst for exchange, participation and collective action, and supplements the city centre with a public infrastructure that has been lacking until now.

The new primary school with 2-court sports hall combines high architectural quality with clear functional structures and a sustainable concept that promotes long-term education and community.

4 buildings - 4 wings:
The school uses are divided into four clearly structured buildings, which are arranged along the common centre. The public areas - sports hall, music school and community library are located in the north and open up towards the town.

Centrality:
The 'Common Centre' forms the heart of the school and combines communal and external
uses into a harmonious overall structure. It links the open spaces and creates a flowing transition between indoor and outdoor spaces.

Connections to all sides:
The central axis links the school in all directions. Side entrances integrate between the buildings on the ground floor and create small, informal passages. At the same time, separate entrances provide access to independent utilisation units.

Sustainable learning houses:
In accordance with the "house within a house" principle, the classes and differentiation rooms in the new self-sufficient learning houses are organised around an educational centre. Concentration,ncommunication and play find the right space here.

As part of the Centrum Bremen 2030+ strategy, the city of Bremen has recognized the potential of rooftops for the transformation of the city centre and has taken initial measures to implement them. The action plan for roofscapes in Centrum Bremen offers new perspectives for the innovative use of roofs. Private and public owners of retail and office properties and parking garages were supported in identifying the potential of their roofs.

The planned conversion of roof areas is intended to create new spaces for people and nature and revitalize the city centre. Possible uses include social meeting places, cultural and gastronomic offerings, urban food production, the promotion of biodiversity, the improvement of the microclimate and energy production. Pilot projects were to be implemented after examining the structural, constructional and legal requirements and supported by funding of the federal ZIZ program.

However, the project revealed that implementation was made considerably more difficult by structural, building law and economic challenges. Although many owners were open-minded and the urban planning conditions were favorable, funding conditions and structural conditions often did not match. Nevertheless, the concept provides important insights into the transformation of the real estate portfolio and shows that realistic, long-term approaches are necessary in order to achieve sustainable and future-oriented development.

The documentation of the concept of action you will find here.
The roof catalogue you will find here.

A new company headquarters for the development and production of machine parts is being planned in Barsinghausen. The compact new building is designed to create optimal conditions for good internal communication between the work areas, thereby promoting the company's innovative strength.

The skeleton construction allows for a combination of large open production areas and flexible office layouts. A comprehensive climate and energy concept in accordance with the KFW 55 standard provides for a geothermal heat exchanger under the building and photovoltaics in combination with a retention roof with an adjoining cistern and pond.
As part of the social concept, the building offers the workforce a bistro area with outdoor seating and a landscaped roof garden to support informal communication and working methods and provide space for relaxation.

ONI is located adjacent to Tirana's Pazari i Ri (New Bazaar), in the heart of the old town and close to Kokonozi Mosque and the iconic Skanderberg Square. Pazari i Ri, a historically significant market, recently underwent a significant transformation to include a dynamic center for shopping, dining, and cultural activities. ONI continues that transformation.

Rather than creating a closed and isolated tower, our design's extroverted facades are open to the surrounding streets. This welcoming attitude reflects the nature of the neighborhood, which is characterized by commerce, socializing and enjoyment of urban life. By embracing and responding to this context, the plinth works to foster a sense of community and connection, promoting interaction and engagement among residents and the city.

Above the commercial plinth rises a striking residential tower which ingeniously combines apartments and penthouses. Playful setbacks transform the facade shape, reducing the perception of mass and creating an elegant silhouette which echoes and complements its surroundings. Meanwhile the relationship between the residential spaces and their commercial neighbors adds an exciting dimension, fostering a vibrant community atmosphere and creating opportunities for social interaction and commerce.

This forward-thinking design concept not only enhances the functionality of the building but also contributes to the overall urban fabric and residents' quality of life, enriching the surrounding neighborhood and adding a new hotspot to this lively neighborhood.

The Henschel Quarter opens up hertitage sites to the public and secures them through flexible use. It is integrated into the city and is accessible to everyone. The aim is to preserve the historic industrial culture and make it usable. Listed buildings are carefully restored and remain part of the public space. The industrial past will be preserved through minimally invasive interventions, while new and predominantly commercial uses will revitalize the old halls. The open space will be transformed, historical traces such as tracks and crane runways will be preserved, supplemented by green spaces and playgrounds. In terms of urban planning, small-scale building typologies create the transition to adjacent districts, while high points mark important locations. Connections for pedestrians and cyclists create a continuous and close-knit network in the district. The existing buildings will be supplemented by new buildings whose design is based on the industrial character. Historic parts of the buildings will be retained and partially integrated into the outdoor space. In the center of the quarter, a "hall for all" with restaurants, culture and sports will be created, surrounded by creative and commercial uses.

The Henschel Quarter focuses on sustainability by preserving the existing buildings and reusing gray energy. Demolition materials are recycled on site and new buildings are constructed from sustainable materials. Renewable energies such as solar panels and geothermal energy supply the quarter, while open spaces improve the microclimate, and the combination of history, commercial, cultural and innovative offerings makes the Henschel Quarter a vibrant part of Kassel.

Urban development
The Change Factory combines flexible uses and high-quality open spaces along the river Inde and Indestraße. A four-storey high building with a roof terrace marks the main entrance and lends urban presence. The three staggered building volumes form a work yard to the north and terraces to the south for working and relaxing on the Inde. To the north, the buildings are stepped down towards the cemetery. To the east is a space-efficient mobility hub, which is directly connected to the main entrance via the internal Innovation Mile.

Open space
The Change Factory forms an identity-forming backbone of the public space along the Inde. A spacious forecourt with dancing trees and seating invites people to linger. To the south, open terraces will be created with a view of the Inde. Trees that are compatible with the urban climate and the integration of the local water balance into natural circulation systems ensure sustainability. Green roofs, vegetation and riverbank areas delay runoff and improve the microclimate.

Organization of use
The building is based on a modular construction grid of 8.1m x 8.1m x 4m or 5m on the first floor. All usage units are flexibly adaptable. The Innovation Mile connects the floors via a spacious staircase and promotes interaction. Upper floors offer communication areas, the first floor presentation areas. A café at the main entrance creates an inviting entrance. Space-intensive uses and laboratories are located on the first floor, while offices on the upper floors offer units from 30m² to over 1500m² and can also be divided and combined.

The proposal for the revitalization of Königstrasse 1ab is based on the following 5 guiding design themes:

Development of a building structure that completes the ensemble of the hotel and Königsstraße 1c, which incorporates heights and gradations, creates addresses and forms the prelude to Königstraße through its orientation towards the train station.

Creation of lively, green passages with small-scale retail, gastronomy and areas for culture and events in the interior of the ensemble and a generous setback on Königstraße to provide more space for planting and passers-by.

Enabling maximum exchange between inside and outside through diverse and generous entrances and transparent façades.

Creating modern retail, office and restaurant layouts that can react flexibly to changing future requirements.

Reuse of the existing load-bearing structure and individual components to minimize energy consumption and thus reduce CO2 emissions.

Urban integration creates a neighborhood
In its immediate surroundings, HIGH Q picks up on the typological and urban development characteristics of its neighborhood. The existing principles of block structures, incisions and polygonal high points are transferred to HIGH Q in order to create a harmonious overall urban image.
On the west side of the construction site, a neighborhood square with outdoor gastronomy will be created at the interface between the office and the hotel, creating a lively meeting place for everyone. This square also serves as an entrance to the hotel lobby.

Striking appearance creates identity
Whether viewed from a passing train, as a pedestrian or from a bicycle, the HIGH Q always looks different and yet is unmistakable. The special façade design with 6 partial façades makes the high-rise appear slender and without a rear side, creating ever new impressions.

Recognition value and an identity-creating design are an important requirement for this building in this exposed location. On the one hand, the façade and the striking shape create a variety of impressions depending on the viewing angle, while on the other hand the building also offers diverse and special situations in its immediate context. The undercut to Celler Strasse with its forecourt forms a clear address, the neighborhood square offers a common center for the neighborhood and the differently designed facades improve orientation and create different places.

The neighborhood at Fuhrenkamp takes on the responsibility of a climate-friendly settlement. The compact development minimizes the degree of sealing and creates generous green spaces with dense tree populations. These air-condition the neighborhood and increase biodiversity. Stormwater management functions according to a sponge city and cascade principles, in which rainwater is retained and temporarily stored, evaporates and infiltrates or is discharged into local ditches. Renewable energy is generated locally.

The use of durable materials, building with used and recycled materials, and a wood construction method contribute to climate protection. Promoting and enabling a change in mobility behavior achieves a low-car neighborhood. The climate quarter creates a social mix by offering diverse, also new forms of housing as well as friendly street spaces for play and circulation, diverse open spaces and neighborhood centers for all generations.

The Fuhrenkamp neighborhood is being developed in phases, beginning in the south and growing out of the city. The development in individual steps makes it possible to learn from what already exists and to make appropriate adjustments to meet changing needs. The edges of the individual neighborhoods in the area react in a differentiated manner to their context: the neighborhoods leave sufficient distance to the section of forest to the west. At the same time, the biotope network is strengthened and expanded in a vertical direction between the existing structures and the new neighborhoods to the east. The new district is holistically interconnected through a framework of neighborhood centers.