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German Sustainability Prize 2021

The First Circular High-Rise Buildings in Germany

2027

A new generation of buildings is taking shape in Wolfsburg’s Hellwinkel Terraces: two 12-storey high-rise buildings, consistently designed according to the principles of the circular economy. Built for a future in which resources are not consumed, but preserved.

The Woodscrapers demonstrate how climate protection, social responsibility and architectural quality can be combined into a future-oriented building model. Because the value of a building is not determined by its construction alone, but by its ability to adapt, preserve materials and anticipate the changing needs of future generations.

Living spaces for everyone: Built above a shared underground car park, the Woodscrapers comprise 106 apartments with around 8,000 m² of usable floor area. 45% of the apartments are publicly subsidised, while 102 are fully accessible. The Woodscrapers thus create affordable, inclusive housing for people of different generations and life situations. Shared rooftop terraces, generous open spaces and a café on the ground floor invite people to meet and connect. Green roofs and integrated nesting boxes create new habitats for wildlife while improving the microclimate within the neighbourhood.

Architecture with responsibility: Every decision we make is guided by one central question: How can we create buildings that retain their value for decades to come? In circular construction, we use materials in ways that allow them to remain in use for as long as possible, be reused or returned to new material cycles. At the Woodscrapers, flexible floor plans and a durable, demountable building envelope also allow for different forms of living and accommodate future changes in use.

Conserving resources instead of consuming them: The Woodscrapers are built predominantly from renewable and carbon-storing materials such as timber and straw. Their energy supply is based on geothermal energy, photovoltaics and heat recovery. An integrated rainwater management system returns precipitation to the natural water cycle. Innovation continues below ground: a drainage foundation replaces the conventional concrete basement tank, reducing the resource consumption of the underground car park. According to current life cycle assessment, this results in around 50% less CO₂ emissions compared with conventional construction.

A vision becomes reality: We laid the foundations for the Woodscrapers as early as 2015. Together with specialist planners, researchers and academic partners, we developed the idea of a circular high-rise building for the urban environment. The concept was further developed through two projects supported by the German Federal Environmental Foundation (DBU). Our vision was first presented to the public at Bellevue Palace, where a 1:1 model was exhibited in June 2024. Construction began the same year, with completion scheduled for 2027.

The Woodscrapers demonstrate that circular construction materials can combine affordable housing, high quality of living and architectural excellence while significantly reducing the burden placed on future generations.

They are an important catalyst for the transformation of the construction industry and have already received the German Federal Ecodesign Award 2019 and the German Sustainability Award 2021 before completion.

Project Details

Client
GLS Woodscraper GmbH & Co. KG
Typology
Wohnungsbau
Location
Wolfsburg
Gross floor area
12,650 m²
Service Phases
LPH 1-8, under construction
Team
Hilka Nieselt, Jeroen Meissner, Klaus Günter, Kathrin du Hamél, Lisa Graf, Dörte Böschemeyer , Raúl Vásquez Iñiguez, Cornelius Reichmann, Stefan Schmidt, Grietje van Bentum, Sarah Schmidt, Rune Hattig
Construction management
Reiner Soltendieck, IBS Bau + Umwelt
Research
supported by the DBU German Federal Foundation for the Environment
Structural engineering
merz kley und partner, Dornbirn
Technical building services
PROTEC Planungsgesellschaft mbH
Energy concept
ee concept building physics, sustainability certification, and funding support
Fire safety
Dehne/Kruse Brandschutzingenieure, Wolfsburg
Landscaping
KOKOMO Landschaft und Stadtraum GmbH
Project Management
UgK Unternehmensgruppe Krebs GmbH & Co. Berlin
Project Management
KVL Bauconsult GmbH
Timber construction
HOLZUNION Timber Constraction Group
Timber construction
prefabricated bathroom pods: Rasselstein Raumsysteme GmbH & Co. KG
Visualisation
GRAU Visuals
Photos
Jan Rottler