Cork House

Cork House

Architecte
Matthew Barnett Howland
Lieu
Eton, Windsor, UK | View Map
Année du projet
2019
Catégorie
Maisons privées
David Grandorge

Cork House is a brand new and radically simple form of plant-based construction

Matthew Barnett Howland en tant que Architectes.

Monolithic walls and corbelled roofs are made almost entirely from solid load-bearing cork.  This highly innovative self-build construction kit is designed for disassembly, is carbon-negative at completion and has exceptionally low whole life carbon.

With a focus on what is solid, simple and sustainable, the project is an inventive response to the complexities and conventions of modern house construction.  Instead of the typically complex, layered building envelope that incorporates an array of building materials, products and specialist sub-systems, the Cork House is an attempt to make solid walls and roof from a single bio-renewable material. Conceived as a kit-of-parts, components are prefabricated off-site and assembled by hand on-site without mortar or glue. 

Cork House embodies a strong whole life approach to sustainability, from resource through to end-of-life.  Expanded cork is a pure bio-material made with waste from cork forestry.  The bark of the cork oak is harvested by hand every nine years without harming the tree or disturbing the forest.  This gentle agro-industry sustains the Mediterranean cork oak landscapes, providing a rich biodiverse habitat that is widely recognised. This compelling ecological origin of expanded cork is mirrored at the opposite end of the building’s lifecycle.  The construction system is dry-jointed, so that all 1,268 blocks of cork can be reclaimed at end-of-building-life for re-use, recycling, or returning to the biosphere. 

This radically direct approach to environmental sustainability has resulted in a building with exceptionally low whole life carbon, assessed by Sturgis Carbon Profiling as being embodied carbon negative at completion and 619kgCO2e/m2 over a 60 year lifespan, the lowest whole life carbon for any building they have assessed. 

From this mix of architectural and ecological objectives, the resultant structural form is new and yet familiar - a progressive reimagining of the simple construction principles of ancient stone structures such as Celtic beehive houses.  Internally the exposed solid cork creates an evocative sensory environment – walls are gentle to the touch and even smell good, the acoustic is soft and calm, and copper pipes gleam in the shadows of the corbelled roof pyramids.

Crédits de projet
Structural and Fire Engineers
Cork CNC machining
Fiche technique du produit

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