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Rammed Earth and Flax Fiber Structure Supporting Community Gardening in a Compact Design

Author:
Olivia Stöberl
Rammed Earth and Flax Fiber Structure Supporting Community Gardening in a Compact Design

Project in-detail

Utilizing rammed earth and flax fiber materials, this compact structure integrates a greenhouse and promotes sustainable living through community gardening functions.
5 key facts about this project
01
Rammed earth walls provide exceptional thermal insulation for energy efficiency.
02
Flax fiber composite structures promote the use of renewable materials in construction.
03
Integrated greenhouse utilizes greywater for irrigation, supporting self-sufficiency.
04
Removable walls allow for flexible interior space adaptations as needs change.
05
Community gardening areas facilitate collaborative sustainable living practices.

## Project Overview

Located in Baja California Sur, Mexico, HOMEBOX represents a progressive approach to sustainable architecture, emphasizing functionality within the context of its natural surroundings. The design prioritizes ecological usability and adaptability, aiming to integrate seamlessly with the local community. Through its thoughtful design, HOMEBOX seeks to foster self-sufficiency and collaborative living practices among its occupants.

## Spatial Strategy

HOMEBOX features a well-defined spatial organization that supports diverse living functions and facilitates social interactions. The two-level structure designates distinct areas for various activities: Level 0 comprises living and dining spaces, a kitchen, and storage, while Level 1 is dedicated to work and living areas, enhanced with an integrated greenhouse for crop cultivation. This open-plan layout minimizes spatial division and encourages versatility, allowing occupants to tailor their environments to their specific needs.

## Material Utilization and Sustainability

The selection of materials for HOMEBOX reflects a commitment to sustainability and environmental harmony. The facade incorporates rammed earth for three walls, providing effective thermal insulation and utilizing locally sourced resources. The frame, constructed from flax fibers and an organic binder, exemplifies innovative material choices that prioritize ecological responsibility. Additionally, windows are crafted from biodegradable glass made from sugar cane, allowing for abundant natural light and maintaining visual connections to the outdoors.

The design features several adaptive elements, including removable wall sections that enable interior customization, as well as multifunctional components that maximize space efficiency. An integrated greenhouse enhances the sustainable ethos by employing natural ventilation and a greywater recycling system for irrigation. Wind turbines support energy generation, reinforcing the project's commitment to environmental stewardship while enhancing the overall living 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

Enter an open architecture
competition now

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Buildner's Unbuilt Award 2025
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