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Rammed Earth Walls and Bio-Remediation Features in a Community Reflective Space

Authors:
Kevin Yingst, Audrey Levy
Rammed Earth Walls and Bio-Remediation Features in a Community Reflective Space

Project in-detail

Rammed earth walls and a network of bio-remediation features create a uniquely integrated environment in a hospice that fosters reflection and community engagement.
5 key facts about this project
01
Rammed earth walls are constructed using soil excavated from the site.
02
The design includes a central chapel specifically for quiet reflection.
03
A network of water features enhances the natural landscape around the building.
04
Walking bridges connect distinct areas, facilitating movement and interaction.
05
The project incorporates bio-remediation techniques to support local ecology.

Hospice Home for the Terminally Ill - Oak House is located in Berkeley, California, and serves as a refuge for those at the end of life. The design focuses on creating a space that encourages both reflection and community. It aims to connect inhabitants with nature while fostering emotional well-being. The layout offers flexible spaces to accommodate the needs of patients and their families, promoting a supportive environment.

Form and Flow
The building features walls that radiate, directing movement within the space. This design encourages visitors to explore while leading them toward a central chapel created for reflection. The arrangement of pathways facilitates a balance between moments of solitude and opportunities for community interaction.

Chapel and Solitude
At the core of the design is the chapel of natural reflection, intentionally placed to serve as a point for contemplation. This area is crucial for providing a setting where visitors can find privacy and engage in introspection. The design allows for a transition from lively areas to serene spaces, aligning with the emotional needs of those using the facility.

Integration with Nature
A significant element of Oak House is its connection to the surrounding landscape. Water features flow through the property, reinforcing the relationship between the built environment and nature. This thoughtful design creates a sensory experience that draws visitors into the natural surroundings, highlighting the role of nature in the healing journey.

Materiality
The structure incorporates materials such as rammed earth, deco brick, and a wall of sticks. Rammed earth showcases a commitment to sustainability, as it uses soil excavated from the site, creating a link to the landscape. Deco brick adds durability and visual appeal, while the wall of sticks defines space without obstructing the openness of the design.

Light streams through the chapel’s openings, casting soft shadows and creating a calm atmosphere that enhances moments of contemplation and quiet reflection.

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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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