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Sustainable Turf and Lava Stone Greenhouse for Local Food Production

Authors:
Thomas Boyster, Larry Kearns, Calli Verkamp, Michael Kendall
Sustainable Turf and Lava Stone Greenhouse for Local Food Production

Project in-detail

Constructed from turf and lava stone, the greenhouse integrates local materials and sustainable practices to support food production in the unique landscape of Myvatn, Iceland.
5 key facts about this project
01
Constructed primarily from turf and lava stone, enhancing thermal efficiency.
02
Features a modular design that allows for easy future expansion.
03
Incorporates rainwater collection systems for sustainable resource use.
04
Utilizes passive solar gain for energy efficiency in plant growth.
05
Emphasizes local material sourcing to connect with the regional context.

AuroraWorks is located in the landscape of Myvatn, Iceland, a region known for its unique geological features, including the Myvatn nature baths and Hverfjall crater. It functions as both a greenhouse and a restaurant, reflecting a design that emphasizes sustainability and efficiency. The concept draws from traditional turf house architecture, connecting the structure to local cultural and environmental contexts.

Design Concept

The design is inspired by Icelandic turf houses, which are built to adapt to the local climate. The use of turf and lava stone for construction highlights a commitment to using materials that are both available and effective in providing insulation. This approach gives the project a unique character that is closely linked to the surrounding landscape, ensuring that it is not only functional but also rooted in the local tradition.

Material Usage

Material choice plays an important role in achieving sustainability goals. The walls of the building are made from thick turf and lava stone, which create solid thermal mass and reduce reliance on wood, a resource that is becoming less accessible. The roof features a lava rock ballast, providing both strength and a connection to the environment. The ground concrete floor includes volcanic ash and calcified CO2 aggregate, further underscoring the project’s focus on environmental responsibility.

Operational Efficiency

AuroraWorks features a modular and flexible layout, designed to accommodate future expansions. The architecture supports passive solar gain and incorporates radiant heating and rainwater collection systems. These features work together to decrease overall energy consumption while reducing dependence on geothermal energy sources. The emphasis on operational efficiency demonstrates a thoughtful response to the environmental conditions in the area.

Interior Features

Inside, the structure showcases a transparent greenhouse design that allows ample natural light, which is beneficial for plant growth and reduces energy needs. Sound management is addressed with a stretch fabric ceiling, which helps create a comfortable atmosphere in the restaurant area. The use of locally sourced oak wood for the entrance door brings warmth to the space, emphasizing the building’s connection to the regional context.

At its essence, AuroraWorks incorporates principles of biomimicry, reflecting natural systems and processes within its design. This thoughtful integration allows the structure to serve its intended functions while prioritizing harmony with the ecosystem, resulting in a greenhouse that works alongside nature rather than against it.

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MICROHOME 10: Celebrating Small-Scale Living with €100,000 Prize Fund and Kingspan’s Innovation

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Competition organisers

The MICROHOME 10 competition invites participants to submit visionary designs for off-grid, modular microhomes that push the limits of sustainable, small-scale living. Organised by Buildner in partnership with Kingspan and Hapi Homes, this tenth edition sets the challenge of designing a dwelling for two people within a maximum floor area of 25 m², encouraging bold solutions adaptable to any urban or rural location. The competition continues Buildner’s mission to foster innovative approaches to compact, energy-efficient housing that can address pressing global challenges.

This year’s edition offers a generous total prize fund of €100,000, including the Kingspan Award for designs that integrate high-performance Kingspan products and the Hapi Homes Award for a project selected for real-world construction. In addition to cash prizes, the winners gain international exposure through Buildner’s media partnerships, publications, and a dedicated MICROHOME magazine, further amplifying their ideas to the wider architectural community.

Key dates for MICROHOME 10 include the closing date for registration on 25 September 2025, the submission deadline on 29 October 2025 (11:59 p.m. London time), and the announcement of winners on 9 December 2025. These milestones ensure participants have clear timelines to develop and present their concepts, with early registration discounts available to support students and emerging designers worldwide.

MICROHOME

Design a new small-scale home concept in the 10th edition of MICROHOME — 100,000 € prize + construction

100,000 € Prize Fund / Kingpsan Edition #10 ideas COMPETITION
Prize 100,000 € + Potential realisation
Eligibility Open to all
Final registration deadline 25 September 2025

Enter an open architecture
competition now

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