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Natural Insulation and Local Aggregate Enhance Underground Visitor Center Experience

Author:
Tyler Harris
Natural Insulation and Local Aggregate Enhance Underground Visitor Center Experience

Project in-detail

Earth-sheltered construction utilizing local aggregate and birch finishes creates a seamless connection to the geothermal landscape, offering visitors an educational and immersive experience in a thoughtfully designed center.
5 key facts about this project
01
Earth-sheltered design minimizes visual impact while enhancing thermal performance.
02
Local aggregate utilized in concrete reinforces sustainability and regional context.
03
Interior finishes feature birch wood, providing warmth and a connection to the landscape.
04
Strategically placed skylights enhance natural lighting and showcase panoramic views.
05
Interconnected courtyards foster outdoor interaction and engagement with nature.
The project titled "Beneath Grjótagjá" represents an architectural endeavor focused on integrating a visitor center with the distinctive geological features of Grjótagjá caves in northern Iceland. This design emphasizes sustainability and engages with the natural landscape while providing essential facilities for visitors. The center not only serves as a point of information and relaxation for tourists but also interacts with the geological and cultural context of the area. By placing the building partially underground, it minimizes visual disruption and highlights the site's natural beauty.

Sustainable Design Approaches

The architectural design employs earth-sheltered techniques, enabling the structure to blend into the landscape seamlessly. The primary use of concrete as the structural element ensures durability, while the incorporation of locally sourced aggregate for the concrete mix further emphasizes the project's commitment to sustainability. The choice of timber, particularly birch wood, for interior finishes adds a layer of warmth that contrasts the raw concrete, contributing to a balanced material palette. Large glass components in the design facilitate natural lighting and provide scenic views, allowing visitors to experience the geothermal landscape from within the building.

Functional Layout and Interaction

The layout of "Beneath Grjótagjá" comprises two interconnected buildings complemented by outdoor courtyards. This arrangement creates a dynamic flow, encouraging exploration and interaction with both the built environment and the surrounding natural features. Key functional areas include a visitor center designed for education about the geological significance of Grjótagjá and a cafe that maximizes views of the outside landscape. The use of multiple levels helps create an experience akin to traversing the natural terrain, establishing a connection between the visitor's journey through the site and the geological history of the caves.

Overall, the project exemplifies thoughtful design that prioritizes ecological impact and visitor engagement. To explore the architectural plans, sections, and designs further, visit the project presentation for more detailed insights into this innovative architectural approach.
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MICROHOME
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100,000 € Prize Fund / Kingpsan Edition #10
Kinderspace
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Architecture for Children’s Development #3
Buildner's Unbuilt Award 2025
Buildner's Unbuilt Award 2025
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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