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Cave-Inspired Structure with Open Wooden Design and Bedrock Integration

Authors:
Lena Niebelschütz, Daniel Baron, Samuel Noß
Cave-Inspired Structure with Open Wooden Design and Bedrock Integration
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Grounded in local mythology, the design integrates an open wooden structure and bedrock walls to create a functional space that enhances visitor engagement with the Icelandic landscape.
5 key facts about this project
01
Grounded in local mythology, the design emphasizes cultural relevance.
02
The structure utilizes natural geothermal energy for heating.
03
Bedrock walls form the backbone of the subterranean spaces.
04
Open wooden platforms encourage diverse visitor perspectives.
05
The project’s form minimizes environmental impact while enhancing exploration.

The Cave Tower project represents a thoughtful design that connects closely to its Icelandic environment. It serves as a place for visitors, drawing from the area’s mythology and rugged landscape to create a unique architectural landmark. The design emphasizes a minimized footprint, which allows it to blend into the natural surroundings while enhancing visitor interaction with the landscape.

Design Concept

The design focuses on respecting the geography of Iceland. By keeping the structure's size small, it aims to create a landmark that complements the striking terrain. The goal is to provide functional spaces while ensuring that the built environment does not overshadow nature. This careful balance highlights an understanding of the local context and its significance.

Subterranean Functionality

An important aspect of the design is the inclusion of a third cave that houses essential functional areas. This underground space is heated using natural geothermal energy, which highlights a practical and sustainable approach. The shape of the artificial cave is designed to be straightforward, using the bedrock as walls. This choice helps it integrate well into the surrounding area without competing with natural caves.

Open Structures

The above-ground section of the Tower features an open wooden structure. This design allows for platforms that give visitors different views of the landscape. By encouraging people to explore from various angles, the structure promotes a deep connection with the environment. The top platform offers a wide view, allowing visitors to appreciate the beauty of Iceland's scenery.

Cultural Integration

In the end, the Cave Tower shows how functionality and aesthetic considerations can work together. It draws from local culture while focusing on the visitor experience. The details in the design work in harmony with the landscape, creating a space that invites exploration and appreciation. At the top platform, visitors can take in expansive views, engaging fully with the environment around them.

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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

Open architecture competitions

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Final registration deadline 18 September 2025

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