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Volcanic Stone and Lean Concrete Enclaves That Embrace Geothermal Energy

Authors:
Vincenzo Russo, Antonio Buonaurio, Francesco Cuomo, Pier Luigi Valente
Volcanic Stone and Lean Concrete Enclaves That Embrace Geothermal Energy
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Constructed with volcanic stone and lean concrete, the design harnesses geothermal energy while creating a dynamic series of spaces for community engagement and exhibitions near Lake Myvatn.
5 key facts about this project
01
Constructed using locally sourced volcanic stone for environmental integration.
02
Features an innovative layout that fosters community interaction through an open square.
03
Utilizes geothermal energy through horizontal sondes for sustainable heating.
04
Exhibition areas are designed to capture direct views of the iconic Hverfjall volcano.
05
Incorporates reinforced concrete slabs for durability in harsh weather conditions.

The design responds thoughtfully to a complex landscape marked by fractures, gorges, and creeks. Set near Lake Myvatn, it comprises five buildings that accommodate various functions while harmonizing with the natural surroundings. Inspired by the simple form of traditional houses, the layout reflects the intricate nature of the site, promoting community engagement and interaction.

Functionality and Layout
An info-point establishes the first point of contact, positioned parallel to the main road for easy visitor access. This location allows for clear views of Lake Myvatn, enhancing the experience from the start. Two additional buildings for office space are arranged to create an open square. This square encourages social interaction and connects the everyday urban experience of Reykjahlid with the heart of the design.

Exhibition Spaces
Central to the layout is an exhibition area on two levels that offers significant views of Hverfjall volcano. The careful placement allows visitors to engage with the space and installations while appreciating the natural scenery. The flow of movement directs attention to the landmark, creating a strong connection between the architecture and its environment.

Material Considerations
Material choices reflect both function and sustainability. Key elements include horizontal sondes for geothermal heating, lean concrete, and reinforced concrete slabs, which provide necessary strength. Local materials like volcanic stone and bricks help integrate the buildings into their setting. These choices highlight a commitment to using what is available, ensuring the design resonates with its context.

Structural and Aesthetic Features
The architecture features various structural components, including glass wool panels that enhance insulation and steel beams that form a solid framework. The use of polycarbonate panels allows natural light to brighten the interiors, promoting an inviting atmosphere. These design decisions result in a cohesive environment that honors the landscape while being mindful of practical requirements.

In this design, a blend of contemporary elements and traditional forms creates an interesting architectural expression. The exhibition area, with its large windows, frames stunning views of Hverfjall volcano, encouraging visitors to connect with the beauty around them.

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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

Open architecture competitions

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