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Conical Structure Featuring Burnt Wood and Integrated Greenhouse Functions

Authors:
Jola Wagener, Lisa-marie Sarré, Alina Gafka, Saskia Timisela
Conical Structure Featuring Burnt Wood and Integrated Greenhouse Functions

Project in-detail

A conical structure crafted from burnt wood integrates an adjacent greenhouse to support local food production while providing a unique dining experience near Iceland’s Hverfjall volcano.
5 key facts about this project
01
Conical shape enhances natural light and views of the surrounding landscape.
02
Burnt wood facade integrates aesthetics with regional weather durability.
03
Adjacent greenhouse supports local plant cultivation and dining experience.
04
Geothermal energy source reduces environmental impact and operational costs.
05
Unique water feature creates a tranquil atmosphere in the outdoor area.

The design project located near Hverfjall volcano and Mývatn Nature Baths features a conical structure that blends harmoniously into its natural surroundings. It serves two primary functions: a greenhouse and a restaurant. This design promotes sustainable practices while emphasizing the connection between food production and dining. The overall concept highlights the relationship of the building to the landscape, enhancing both its visual appeal and the experience of those who visit.

Site Integration

The conical shape is carefully aligned with the surrounding topography and reflects the mountainous landscape. This form captures natural light efficiently and creates a smooth transition between the indoor and outdoor spaces. Visitors are drawn into the experience of nature, with the design guiding them from the environment into the building.

Functional Connectivity

Combining the greenhouse and restaurant under one roof allows for effective operation of both areas. The restaurant is positioned at the wider base of the cone, which overlaps slightly with the greenhouse. This overlap reduces shading and ensures that plants receive enough sunlight for growth. As guests walk through the greenhouse along a stone path, they have a direct connection to the food that will be served in the restaurant.

Accessibility and Movement

Accessibility is a key aspect of the design, with clearly marked entrances and an elevator to cater to all visitors. A grand staircase connects the greenhouse with the dining area, creating a visual link between these spaces. The parking area is designed to accommodate various vehicles, providing convenience without compromising the natural beauty of the site.

Sustainable Practices

Geothermal energy from nearby fields provides the building’s main energy source, supporting efficient heating and operations. A rainwater catchment system adds to sustainability, helping the facility gather water for use. The design also incorporates greenery on the lower roof, reducing environmental impact and supporting diverse plant life through separate climate zones within the greenhouse.

The use of burnt wood for the facade creates a tactile link to the landscape. Inside, warm materials reflect the region's natural characteristics. Attention to detail throughout fosters an atmosphere that resonates with the surrounding environment. The conical structure rises gently from the ground, inviting visitors to engage with nature while enjoying their experience.

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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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