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Subterranean Shelter Crafted with Thermal Mass and Green Roofing Elements

Authors:
Roberto Menozzi, Lorenzo Trentuno, Francesco Chiacchiera
Subterranean Shelter Crafted with Thermal Mass and Green Roofing Elements

Project in-detail

Built into the earth, this residential retreat utilizes thermal mass and green roofing while incorporating warm wooden elements to create an energy-efficient space that harmonizes with the Icelandic landscape.
5 key facts about this project
01
Built primarily underground to enhance thermal performance and blend with the landscape.
02
Incorporates a green roof system, promoting biodiversity and improving insulation.
03
Large windows strategically placed to capture sweeping views and maximize natural light.
04
Utilizes charred wooden shingles for enhanced durability and fire resistance.
05
Features communal terraces that facilitate social interactions while offering elevated vistas.
The Torf Skjöl project is a residential architectural design located in the rugged terrain of Iceland. This project reinterprets the traditional Icelandic "torf house" by embedding much of the structure underground, promoting a strong connection between the built environment and the natural landscape. The design focuses on energy efficiency while facilitating interaction among its users through communal spaces and an immersive design approach.

Unique Design Approaches

The project employs a concept driven by the integration of negative space, allowing the structure to blend seamlessly with its environment. This approach reduces the visual impact on the landscape and enhances the thermal performance of the building by utilizing the earth as insulation. The use of large windows captures expansive views, fostering a continuous connection to the outdoors and enhancing natural light within the interior spaces.

The material palette is intentionally selected to reinforce the project’s sustainability objectives. Key materials include architectural concrete for structural strength, wood for interior warmth, and metal panels for durability. Photovoltaic panels are strategically placed to harness solar energy, making the building energy-efficient and self-sustaining. A green roof system further exemplifies the project’s commitment to environmental integration by promoting biodiversity and improving insulation.

Functional Design Elements

The Torf Skjöl project emphasizes communal living through carefully planned social spaces, including elevated terraces that facilitate interactions among residents. These terraces also serve as vantage points for observing the surrounding landscape. The design incorporates underground living spaces that create a sheltered environment, effectively addressing the harsh climatic conditions of Iceland.

Strategically placed architectural sections facilitate airflow, optimizing natural ventilation throughout the structure while minimizing reliance on mechanical systems. The juxtaposition of communal areas with private rooms supports a balanced living arrangement that caters to both social engagement and individual privacy.

Overall, the Torf Skjöl project is an architectural exploration of cultural heritage and modern sustainability. The careful selection of materials and innovative spatial configurations represents a commitment to ecological responsibility while creating an engaging environment for its residents. For deeper insights into the architectural plans, sections, designs, and ideas specific to this project, explore the full presentation of Torf Skjöl.
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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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