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Cavern Windows and Dark Concrete Harmonize with Volcanic Landscape

Author:
Ulysse Géroux
Cavern Windows and Dark Concrete Harmonize with Volcanic Landscape

Project in-detail

The interplay of cavern windows and dark concrete allows Grýla’s House to seamlessly blend into the volcanic landscape, creating an intimate visitor center that engages with Icelandic myths and showcases the region's natural beauty.
5 key facts about this project
01
Grýla's House features walls that are entirely clad in dark projected concrete, enhancing its connection to the volcanic surroundings.
02
The design includes cavern-like windows that frame dynamic views of the changing landscape while providing a sense of security.
03
The entrance descends one meter below ground level, allowing for an immersive experience in the natural setting.
04
Poplar wood paneling inside creates a warm atmosphere, contrasting with the building's rugged exterior.
05
Curved walls guide visitors throughout the space, encouraging exploration and interaction with the environment.

Grýla's House is located in the Lava Fields of Dimmuborgir, Iceland. This area has been shaped by volcanic activity and is rich in cultural stories. The building serves as a visitor center, allowing guests to connect with the natural landscape while reflecting the local mythology surrounding trolls and other beings. The design captures the essence of time in this region, where the sun and moon dictate the rhythms of daily life.

Form and Landscape Interaction

The structure consists of three curved walls that interact with nearby features such as Mývatn Lake, Hverfjall volcano, and the Dimmuborgir lava field. This form is not just for show; it deliberately engages with the environment, offering views that change throughout the day and across the seasons. The design aims to blend into the landscape, making it feel like a part of the earth rather than an external addition.



Entrance and Spatial Experience

Entering Grýla's House involves a descent into the ground, which enhances the visitor’s experience of nature. This downward movement creates a strong connection between the space inside and the wild surroundings. As people explore the building, they find a layout that flows smoothly from one area to another, allowing for both private moments and shared interactions.



Materiality and Interior Design

The exterior walls are finished with dark projected concrete, which helps the building blend with the deep hues of the landscape. This choice makes the structure appear as if it has always been part of the site. Inside, the walls feature poplar wood paneling, adding a soft warmth to the atmosphere. The simplicity of these materials creates a feeling of authenticity, encouraging people to engage with the environment.



Design Details and Engagement

Cavern-like windows are a defining feature, framing views of the beautiful landscape while keeping the interior secure. These openings invite natural light, creating a calming environment that reflects the tranquility of the area. The careful placement of windows allows light and shadow to interact in ways that enhance the experience within the building, reinforcing the connection to the outside world.

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MICROHOME 10: Celebrating Small-Scale Living with €100,000 Prize Fund and Kingspan’s Innovation

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Competition organisers

The MICROHOME 10 competition invites participants to submit visionary designs for off-grid, modular microhomes that push the limits of sustainable, small-scale living. Organised by Buildner in partnership with Kingspan and Hapi Homes, this tenth edition sets the challenge of designing a dwelling for two people within a maximum floor area of 25 m², encouraging bold solutions adaptable to any urban or rural location. The competition continues Buildner’s mission to foster innovative approaches to compact, energy-efficient housing that can address pressing global challenges.

This year’s edition offers a generous total prize fund of €100,000, including the Kingspan Award for designs that integrate high-performance Kingspan products and the Hapi Homes Award for a project selected for real-world construction. In addition to cash prizes, the winners gain international exposure through Buildner’s media partnerships, publications, and a dedicated MICROHOME magazine, further amplifying their ideas to the wider architectural community.

Key dates for MICROHOME 10 include the closing date for registration on 25 September 2025, the submission deadline on 29 October 2025 (11:59 p.m. London time), and the announcement of winners on 9 December 2025. These milestones ensure participants have clear timelines to develop and present their concepts, with early registration discounts available to support students and emerging designers worldwide.

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
Final registration deadline 25 September 2025

Enter an open architecture
competition now

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