The Biological House

Danish Ministry of Environment


GXN role
Design, Research, Upcycling

GXN team
Kasper Guldager Jensen, Morten Norman Lund, Lasse Lind, Christian Henrik Christensen-Dalsgaard, Jens Johansen, Casper Østergaard Christensen

1:1 (project owners), Deloitte, NCC Construction, Technological Institute, AB Clausen Engineers and advisory committee: Ib Johansen, Heidi B. Bugge, Søren Lyngsgaard, og Morten Buus

Upcycling of waste

The concept behind the Biological House is to build with upcycled residual products from the agricultural industry. Materials, that today are considered ‘waste’ and burned for energy; grass, straw, tomato, seaweed, etc. will be processed into valuable building materials. The project uses Cradle to Cradle principles and digital production technologies in the development of a modern ecological house with a focus on circular economy and healthy materials.

Science fiction here and now

The project has been realized with support from the Danish Ministry of the Environment, and in this regard the Danish Environmental Minister Kirsten Brosbøl says: 'It sounds like science fiction that you can build a house from things such as tomato stems, straw and seaweed, which is just as durable as normal buildings and at the time has a healthy economy and complies with the rules. However, the Biological House shows that it is possible here and now. I appreciate that way we really get some value from materials that otherwise would end up at an incineration plant'.

Circular Economy

The Biological House is designed with circular economy in mind and is developed with a set of principles that secure the building’s separability, and the possibility to preserve materials, elements and components in a closed loop over time. In this way, valuable raw materials that are used to construct the building don’t end up as waste, but can be fed into new closed loops.

Interdisciplinary Innovation

GXN, in collaboration with partners from the agricultural and manufacturing sector, indentified amounts, usability and availability of local Danish biological resources. The selected materials have been pressed into new boards and their static and sensory qualities tested at the Danish Technological Institute.

For the processing and development of the construction materials, the project makes use of upcycling and new digital production technologies. On this basis, the project will stimulate a new market for green growth through the refinement of residues, thereby creating a possible potential for Danish industry and for material recycling. In addition, The Biological House demonstrates how to build healthy and eco-friendly houses in the future that are cost competitive as well.

Flexible, modular building system

The Biological House is built using EEN TIL EEN´s innovative building concept -a digital production technology that ensures an effective as well as flexible system minimizing waste. The house is also designed to disassemble in order to guarantee both a fast construction and dismantling. The simplified production and its modular design makes future adaptation and change of the construction less complicated and less costly.

Read the booklet (Danish) here 

Middelfart, Denmark

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