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Geothermal Shelter Embracing Natural Light with Aluminium and Plywood Elements

Author:
Nigel Hetherington
Geothermal Shelter Embracing Natural Light with Aluminium and Plywood Elements

Project in-detail

Constructed with aluminium and plywood, the shelter enhances the geothermal landscape by providing a circular walking route that invites visitors to engage with the unique geological features of the Grjotagja caves.
5 key facts about this project
01
Built around the Grjotagja caves to enhance geological engagement.
02
Circular walking route offers multiple viewpoints of tectonic features.
03
Utilizes local aluminium for durability and low maintenance.
04
Integrates off-grid energy solutions with solar and geothermal systems.
05
Design mimics natural cave forms to blend with the landscape.

The Grjotagja Cave Shelter is set in Iceland's distinctive geological landscape, located near the Grjotagja caves along the Mid-Atlantic Ridge. It serves to enhance visitor interaction with this remarkable site while providing modern amenities. The design merges built space with the surrounding environment, achieving a balance that respects both the natural beauty and the visitor experience.

Design Concept

The primary idea behind the design is a hybrid structure that blends with the landscape. A circular walking path runs around the shelter, allowing visitors to explore the area and observe the unique geological features of the caves. This route not only facilitates movement but also presents various viewpoints, enriching the experience of the site's topography and formations.

Architectural Features

Essential amenities are included in the design to serve visitors effectively. Shower and changing facilities are available for those wanting to enjoy the swimming cave, as well as a café for refreshments. The shelter also features a covered rest area designed to resemble a 'new cave,' enhancing the overall experience. This integration of facilities supports an organized visit while inviting engagement with the natural surroundings.

Sustainability and Materials

The project focuses on minimizing environmental impact. It utilizes local materials to help reduce the carbon footprint associated with construction. Aluminium is specified for the external walls and structural components due to its durability and resistance to corrosion. This choice not only enhances the structure’s longevity but also requires less maintenance over time, ensuring a good fit within the natural landscape.

Energy Efficiency

An energy center is part of the design, supporting environmentally friendly practices. Off-grid energy sources, such as solar panels and geothermal heating, contribute to the sustainability of the facility. This focus on energy efficiency reflects a commitment to creating a space that works well with its environment while meeting the needs of its users.

The design creates a protective enclosure around the cave entrances, encouraging exploration and appreciation of the geological wonders nearby. Natural light filters through the structure, creating changing patterns of light and shadow that draw attention to the beauty of the surrounding landscape.

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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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