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Volcanic Stone Facade and Grass Roofs Supporting Sustainable Dining in Iceland

Authors:
Horacio Goitre, Gonzalo Zegarra, Mateo Peschiera, Mariana Nájar
Volcanic Stone Facade and Grass Roofs Supporting Sustainable Dining in Iceland

Project in-detail

Constructed with volcanic stone and topped with grass roofs, the design integrates local materials to create a sustainable dining experience that emphasizes community and environmental sensitivity in Iceland.
5 key facts about this project
01
Constructed with volcanic stone, enhancing insulation and environmental integration.
02
Features grass roofs to blend with the natural landscape and provide thermal efficiency.
03
Includes a cultivation lab dedicated to pesticide-free agricultural practices.
04
Design incorporates expansive views of Hverfjall volcano and Mývatn Lake.
05
Community-focused plaza fosters social interaction and engagement among visitors.

The Volcánico Greenhouse Restaurant is located in Iceland, where it connects with the surrounding landscape while offering both dining and agricultural experiences. The design concept features two primary structures that focus on food production and hospitality. Incorporating traditional Icelandic architectural elements alongside modern practices, the project reflects the local culture and addresses environmental concerns.

Architecture Concept

The layout consists of two distinct volumes: one for the restaurant and another for the cultivation lab. This allows for efficient use of the site's natural features, creating a functional connection between the two. A central plaza encourages social interaction, serving as a gathering space for visitors. Observation decks and fire pits enhance the outdoor atmosphere, promoting a blend of indoor and outdoor experiences.

Materials and Techniques

The construction relies on traditional materials such as volcanic stone, earth, and grass roofs. These elements provide essential insulation and are well-suited to the harsh Icelandic climate. The incorporation of reinforced concrete and prefabricated metallic structures ensures durability and efficiency in the building process while maintaining ties to local architectural methods.

Landscaping and Sustainability

Landscaping is designed to incorporate native vegetation, helping the project blend into its natural surroundings. The initiative aligns with Iceland's environmental goal of increasing forest cover. The cultivation lab focuses on sustainability by operating without carbon emissions and avoiding pesticides. This approach creates a cycle of agricultural production that supplies fresh ingredients to the restaurant.

Design Details

The eastern facade features a wall made from volcanic lava stone, enhanced with moss-like plants that offer insulation and visual interest. This aspect of the design fosters a connection between the building and the landscape. The expansive views from the remaining facades frame significant landmarks, such as the Hverfjall volcano, reinforcing the relationship between the architecture and its geographic context.

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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
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