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Hexagonal Cabins With Geothermal Systems and Rainwater Harvesting Crafted From Local Materials

Authors:
Weronika Kogut, Julia Kosa
Hexagonal Cabins With Geothermal Systems and Rainwater Harvesting Crafted From Local Materials

Project in-detail

Hexagonal cabins constructed from local materials incorporate renewable wind and geothermal systems while utilizing rainwater harvesting, providing sustainable lodging for trekkers in the Icelandic landscape.
5 key facts about this project
01
Hexagonal design allows flexibility for site-specific adaptations.
02
Incorporates both wind turbines and geothermal systems for energy efficiency.
03
Rainwater harvesting system integrated into the roofing structure.
04
Exterior finished with charred wooden shingles for durability and aesthetic appeal.
05
Modular construction facilitates quick assembly and disassembly on-site.
The GRIMS project consists of a series of trekking cabins designed to provide sustainable lodging in the Icelandic landscape. The architecture reflects a commitment to ecological sensitivity while providing functional spaces for visitors exploring the region. The cabins ingeniously blend into their surroundings, offering an immersive experience for guests, promoting a strong connection with nature.

Design Intent and Functional Aspects

The overarching aim of the GRIMS cabins is to facilitate outdoor adventuring while maintaining a minimal ecological footprint. Each cabin is conceived as a flexible modular system, utilizing hexagonal forms that adapt to various environmental conditions and site contours. This modular approach allows for variations in layout tailored to specific locations along trekking routes.

The interiors are crafted to maximize space utilization while providing comfort and functionality. Each cabin includes communal areas, private sleeping quarters, and essential amenities designed for self-sufficiency. The incorporation of large windows offers panoramic views of the Icelandic scenery, enhancing the overall experience for occupants and drawing natural light into the spaces.

Unique Design Approaches

One defining feature of the GRIMS project is its emphasis on renewable energy utilization. The design integrates wind energy systems that adapt to the natural wind patterns of the area. This feature allows the cabins to generate their own electricity, supporting a self-sustaining lifestyle suitable for remote locations. Additionally, underground geothermal systems harness natural heat sources for heating purposes, reducing reliance on conventional energy supplies.

The architectural expression focuses on materiality that respects the surrounding environment. The exterior incorporates a combination of glass, concrete, and timber, chosen not only for their visual compatibility with the landscape but also for their sustainability. Concrete provides structural stability, while timber interiors evoke warmth and comfort for visitors. The careful selection of these materials ensures durability in the face of the harsh Icelandic climate.

Architectural Solutions and Sustainability Measures

Spatially, the design employs an open-plan layout that fosters interaction among guests while accommodating diverse activities, from communal cooking to quiet contemplation. Each cabin’s orientation is strategically planned to maximize natural resource utilization, including sunlight and wind. Roofs are designed to facilitate rainwater collection, reinforcing the project’s sustainability goals.

The GRIMS project exemplifies an architectural response to the need for eco-friendly lodging within a captivating natural landscape. The modular design, renewable energy integrations, and responsible material choices work together to create an inviting space for those seeking adventure while preserving the environment.

Explore the project presentation to view detailed architectural plans, sections, and designs that further illuminate the innovative ideas behind the GRIMS cabins. Assessing these elements will provide a comprehensive understanding of the project’s architecture and its unique approach to sustainable design in an extraordinary setting.
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100,000 € Prize Fund / Kingpsan Edition #10
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100,000€ Prize / 2025

Design a new small-scale home concept in the 10th edition of MICROHOME — 100,000 € prize + construction

Competition organisers

The 10th edition of the MICROHOME architecture competition invites architects and designers from around the world to explore the possibilities of compact, sustainable living. Hosted by Buildner in collaboration with Kingspan and Hapi Homes, this special edition challenges participants to design an off-grid, modular microhome for a young professional couple, with a maximum floor area of 25 m². Designs should prioritize innovation, efficiency, and real-world feasibility. 

A total prize fund of 100,000 € will be awarded, including three main prizes, the Kingspan Award, and the Hapi Homes Award, which will grant 15,000 € and lead to the construction of the selected design. The final registration deadline is September 25, 2025, and winners will be announced on Decebmer 9, 2025. For full competition details and submission guidelines, visit microhome.info.

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
Early bird registration deadline 22 May 2025
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