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Spiral Observation Hub Crafted from Cross-Laminated Timber with Local Stone and Charred Shingles

Author:
Giacomo Sponzilli
Spiral Observation Hub Crafted from Cross-Laminated Timber with Local Stone and Charred Shingles

Project in-detail

Crafted from cross-laminated timber and accented with charred wooden shingles, the design's spiral form enhances panoramic views of the surrounding Icelandic landscape while serving as an observation hub for visitors.
5 key facts about this project
01
Constructed with cross-laminated timber panels to enhance structural efficiency and reduce weight.
02
Incorporates charred wooden shingles for both durability and aesthetic integration with the natural surroundings.
03
Features a continuous spiral form that offers a unique experience of movement and engagement with the landscape.
04
Utilizes geothermal energy systems to optimize energy efficiency within the design.
05
Includes panoramic observation areas that provide unobstructed views of Iceland's geological features.
The SPIRAL project is an architectural endeavor located in Iceland, situated amid the Karfangar and Kvennagil caves. Designed to serve both as an observation platform and a transitional hub for visitors, the project effectively integrates with its surrounding environment while fulfilling specific functional requirements. The architectural design prioritizes a balance between public engagement and personal reflection within the striking landscape.

The primary form of SPIRAL consists of a continuous spiral structure that rises through varying levels. This unique configuration not only creates a visually compelling silhouette but also mirrors the natural contours of the surrounding terrain. The architecture employs a mix of engineered wood, glass, concrete, and locally sourced stone, which together create durable and harmonious spaces that facilitate the intended functions of the project.

The building's design separates public areas from more private spaces, enhancing user experience and functionality. A central communal area acts as a gathering point for visitors, encouraging interaction and collaboration before guests ascend to the observatory at the top. A spiral staircase carefully connects the various levels, providing a clear and intuitive flow throughout the project. Natural light is skillfully incorporated through strategically placed openings, fostering a warm and inviting atmosphere while providing unobstructed views of the breathtaking Icelandic landscape.

Unique Geometric Configuration and Material Selection
The design of SPIRAL sets itself apart with its distinctive geometric form that rises in a continuous spiral. This approach not only enhances visual appeal but also facilitates a unique experience of movement throughout the structure. By utilizing materials like engineered wood and extensive glazing, SPIRAL prioritizes both structural integrity and aesthetic harmony. The use of sustainable materials, such as local stone and cork, reinforces the project’s connection to the Icelandic environment and its geological heritage.

The careful consideration of environmental aspects is a hallmark of this project. Geothermal energy systems are integrated into the design, showcasing a commitment to sustainability while catering to the climatic conditions of Iceland. The energy-efficient design minimizes environmental impact while enhancing visitor comfort—a notable achievement in the context of architectural projects located in ecologically sensitive areas.

Spatial Organization and Functionality
SPIRAL is organized to guide visitors smoothly through a series of interconnected spaces that offer various functions. The entry foyer provides an initial introduction, leading visitors to the main circulation path. This layout fosters an intuitive navigation experience, linking communal activities with individual contemplation. The central gathering area, featuring a large communal table crafted from local stone, acts as a focal point for interaction among visitors.

The architectural design emphasizes not only aesthetics but also user engagement throughout the entire experience. By separating the various functions and spaces within the structure, SPIRAL maintains a clear relationship with its environment while ensuring that the visitor experience remains central to the design approach.

To explore the architectural plans, sections, and overall designs of the SPIRAL project, please view the presentation materials for comprehensive insights into its innovative architectural ideas. Visiting the project site offers an opportunity to observe the thoughtful integration of architecture with the natural landscape in Iceland.
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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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