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Basalt Pillars and Glass Facades at a Volcano Gateway

Authors:
Sebastian Mitterer, Clemens Pletzer, Laura Ebenbichler, Ben Wieser
Basalt Pillars and Glass Facades at a Volcano Gateway

Project in-detail

Constructed with basalt pillars and expansive glass façades, the visitor center provides a sheltered entry point to the hiking routes leading to Hverfjall, merging functionality with the rugged landscape.
5 key facts about this project
01
Constructed with basalt pillars that reflect local geology.
02
Utilizes cross-laminated timber for structural integrity.
03
Features a spiral layout that guides visitor movement.
04
Incorporates large glass façades for panoramic views.
05
Designed to blend seamlessly with the volcanic landscape.

The design is located at the base of Hverfjall, a volcano in Iceland. It serves as a gateway for hikers heading toward the summit. The building is set thoughtfully within the landscape, allowing it to connect naturally with its surroundings. The design concept focuses on blending the structure with the environment using a spiral form that directs visitors through the space.

Exterior Form

The building features an exterior defined by geometric shapes arranged in a spiral. This form is not only visually appealing but also practical. Pathways marked with small panels guide visitors either upward towards the volcano or downward into the facility. This circular layout promotes exploration and captures the symmetrical nature of Hverfjall. Large glass surfaces on the façade provide wide views while reflecting the natural landscape, further integrating the building with its surroundings.

Interior Space

Upon entering, visitors find a coffee shop and an exhibition area. This design encourages a variety of experiences and allows for social interaction. The coffee shop has both open seating near the glass and private areas for relaxation. This arrangement fosters a natural flow among visitors and enhances their overall experience within the space.

Material Use

The design incorporates basalt pillars that reflect the geological features of the region. These pillars not only serve as structural supports but also link the building aesthetically to the volcanic landscape. Cross-laminated timber is used throughout the interior, offering strength and a warm atmosphere. The floor is made of lava concrete, chosen for its effectiveness in managing temperature, which suits the local climate.

Spatial Interaction

The layout encourages interaction with the surroundings. The spiral structure facilitates continuous movement through the interior, providing varied viewpoints. This design creates an immersive environment for visitors, allowing them to appreciate the natural beauty of the area while enjoying the shelter offered by the building.

Natural light plays an important role within the space. The large glass surfaces allow sunlight to filter in, creating a warm and inviting atmosphere. As the light changes throughout the day, it adds depth to the experience within the building, enhancing the connection to the Icelandic landscape outside.

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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

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