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Steam-Operated Retreat Within Unique Cave Geology

Author:
Arash Zamani
Steam-Operated Retreat Within Unique Cave Geology

Project in-detail

Harnessing steam from natural geological formations, the design integrates a walking path through the Grjótgjá Caves, creating a warm and inviting retreat for exploration in Iceland's rugged landscape.
5 key facts about this project
01
Harnesses steam from geological formations for heating.
02
Integrates a walking path for safe exploration of the cave system.
03
Constructed in response to local tectonic activity between two plates.
04
Design focuses on creating warmth in a harsh Icelandic climate.
05
Utilizes natural topography to enhance user experience and safety.

The Grjótgjá Tower is located in the Grjótgjá Caves in Iceland, a unique geological site where tectonic plates meet. The design aims to blend the cave's natural features with a space for people to gather. It focuses on providing warmth and comfort, transforming an uninviting area into an inviting retreat. The overall approach encourages exploration while respecting the environment.

Concept Integration
The design takes inspiration from the geological history of the caves, formed by the collision of European and American tectonic plates. This natural setting informs the architectural choices, ensuring the new structure both complements and enhances the local landscape. By focusing on the cave’s naturally avoided areas, the tower emerges as a new focal point that utilizes the steam escaping from the cave's crevices, shaping the experience of those who visit.

Pathway Implementation
A significant feature of the project is the Walking Path Module, which allows for safe movement through the cave system. This pathway connects various parts of the tower, making it easier for visitors to navigate the space. By encouraging exploration, the design invites people to experience the unique characteristics of the caves, fostering a connection to the environment.

Steam Utilization
The Steam Terrarium includes elements that harness the naturally occurring steam from the caves. This feature not only serves a practical purpose by providing warmth but also enhances the overall atmosphere. Through its design, the terrarium efficiently uses local resources, contributing to the comfort of the interior spaces. The staircase that leads to the bridge adds vertical movement, making it easy for visitors to access different levels of the tower and enjoy various viewpoints.

The thoughtful connection between natural elements and architectural design creates a unique setting that values both the cave's geology and user experience. Visitors can expect to engage with a space where the natural landscape is celebrated, resulting in a sense of harmony between the built environment and nature. The integration of pathways and steam features helps ensure a welcoming atmosphere that draws people into the experience.

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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

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