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Gabion Structures and Geothermal Efficiency in a Sustainable Icelandic Coffee Shop

Authors:
Robin Schmid, Alex Lui Steiner, David Ruess, Timur Klopke
Gabion Structures and Geothermal Efficiency in a Sustainable Icelandic Coffee Shop

Project in-detail

Constructed with gabion walls and utilizing geothermal energy, the design harmonizes with Iceland's volcanic landscape while serving as a communal coffee shop.
5 key facts about this project
01
Constructed with local stone-filled gabion walls for thermal efficiency.
02
Harnesses geothermal energy for heating and cooling purposes.
03
Features large panoramic windows that frame the surrounding landscape.
04
Employs modular construction techniques for efficient assembly.
05
Integrates natural materials to reflect environmental context.

The Iceland Volcano Coffee Shop combines functional design and sustainable architecture within a unique geological context. Located in Iceland, this project serves as a coffee shop that provides visitors with a space to enjoy refreshments while being immersed in the striking environment characterized by volcanic activity. Through meticulous planning and material selection, the coffee shop integrates seamlessly with its surroundings, enhancing the user experience by framing the natural vistas nearby.

The architectural design promotes a strong connection between the interior space and the outdoor landscape. Large windows and strategically positioned openings are fundamental to the design, enabling panoramic views that allow patrons to appreciate the raw beauty of the Icelandic terrain. The coffee shop is structured to facilitate a flow of movement, encouraging engagement with both the built form and the natural environment.

Sustainable design principles guide the overall architecture of the coffee shop. Key components of the project include the use of wooden joints for the framework, which supports a lightweight structure that prioritizes environmental efficiency. The incorporation of gabion baskets filled with local stones serves multiple purposes, offering thermal mass that aids in energy storage, enhances privacy, and contributes to the building's aesthetic appeal.

Unique Materials and Innovative Approaches

The use of gabion walls is a significant aspect of this architectural design. By utilizing locally sourced materials, the design acknowledges and respects the surrounding geological context. These walls not only provide structural integrity but also create engaging spaces that interact with the environment. The thermal properties of the stone-filled baskets help mitigate temperature fluctuations, making the building energy efficient in both summer and winter.

The architecture also embraces lightness and modularity, allowing for efficient assembly and disassembly. This design choice is particularly relevant in a context where environmental sensitivity is paramount. Furthermore, the building incorporates renewable energy technologies, including solar panels that collect energy, along with a heat pump system that utilizes ambient geothermal energy, ensuring a reduced carbon footprint for the coffee shop. These features collectively outline a comprehensive approach to modern architectural practice, balancing function, sustainability, and aesthetic value.

Interior Space Planning and User Experience

The internal organization of the Iceland Volcano Coffee Shop is carefully designed to maximize usability while fostering community interaction. The ground floor accommodates the main entrance, a designated front office, service areas, and exhibition spaces, effectively connecting visitors to various functions within the café. The design encourages social gathering, providing outdoor seating that enhances the relationship between guests and the surrounding landscape.

On the upper floor, additional seating areas cater to diverse visitor needs, offering flexible spaces for gatherings, work, or relaxation. The layout prioritizes visual and physical connections, allowing patrons to experience a continuous dialogue between the interior and the exterior environments. The thermal management strategies employed within the building contribute to a comfortable atmosphere, responding aptly to seasonal changes and enhancing the overall experience.

This project embodies a contemporary approach to architecture that emphasizes sustainability, community, and environmental empathy. To explore deeper insights into the design and functionality, consider reviewing the architectural plans, architectural sections, and architectural ideas presented throughout the project documentation. Engaging with these elements will provide a comprehensive understanding of the architectural intentions and innovative solutions embodied in the Iceland Volcano Coffee Shop.

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The Mujassam Watan Urban Sculpture Challenge invites architects and designers to create iconic public sculptures for one of two sites in Saudi Arabia: Abu Hadriyah Road or the Tharwa Sea Front in Al-Khobar. Proposals should reflect Saudi identity, culture, and future aspirations.

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The Mujassam Watan Urban Sculpture Challenge is an international architecture and design competition inviting creatives to shape the future of Saudi Arabia’s public spaces. With a total prize fund of €50,000, the competition calls for sculptural proposals that merge cultural symbolism with innovative design, offering participants a chance to see their concepts brought to life in a rapidly transforming national context.

Organised by Buildner in partnership with the Mujassam Watan Initiative, the challenge focuses on two prominent locations: Abu Hadriyah Road, a major highway and gateway into the Eastern Province, and the Tharwa Sea Front in Al-Khobar, a pedestrian-focused waterfront district. Designers must select one site and develop a sculpture that engages with its surroundings—whether addressing the fast-paced dynamism of a transit corridor or creating moments of interaction along a coastal promenade.

Proposals should be bold, site-specific, and rooted in narrative—drawing on themes such as heritage, national identity, transformation, and dialogue. Environmental responsiveness, material durability, and feasibility are strongly encouraged, as winning projects may be selected for actual construction.

Each submission must include four A2 landscape presentation boards, a cover image, and a written project description. The competition is open to professionals and students alike, working individually or in teams of up to four people. No professional license is required.

Registration is open until July 24, 2025, with final submissions due by August 27, 2025. Winners will be announced on October 1, 2025.

Mujassam Watan Urban Sculpture Challenge

Design iconic urban sculptures for the prestigious Mujassam Watan competition and compete for 50,000 €

50,000 € PRIZE project COMPETITION
Prize 50,000 € + Potential realisation
Eligibility Open to all
Final registration deadline 24 July 2025

Enter an open architecture
competition now

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