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Cohesive Ecology with Straw Clay Walls and Constructed Wetlands for Sustainable Living

Cohesive Ecology with Straw Clay Walls and Constructed Wetlands for Sustainable Living
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Constructed using straw clay walls and incorporating a natural wetland, the design emphasizes sustainability and ecological integration while providing a self-sufficient living environment.
5 key facts about this project
01
Constructed using Ecobuild paste, a blend of local soil and straw, for optimal thermal performance.
02
Features a mini ecosystem with a constructed wetland for natural water filtration and wildlife habitat.
03
Incorporates an onsite rainwater harvesting system for sustainable water management.
04
Utilizes reclaimed timber throughout to minimize environmental impact and enhance aesthetic appeal.
05
Includes integrated spaces for urban agriculture, such as beekeeping and chicken coops, promoting self-sufficiency.

## Project Overview

Located in the Hamptons, New York, this architectural design concept emphasizes sustainability and ecological integration as foundational principles. Designed by Amir and Lior, the project includes the Modern Cob House and the Ecobuild Mobile vehicle, aiming to establish a housing model that prioritizes environmental consciousness and community engagement. The project serves not only as a residence but also as a catalyst for sustainable practices within the local area.

### Spatial and Functional Strategy

The Modern Cob House is a compact, self-sufficient structure that fosters a living ecosystem, incorporating features such as a chicken coop, beehive, garden, and composting system. The Ecobuild Mobile vehicle facilitates the onsite production of sustainable building materials, minimizing resource consumption and reducing construction waste. The design also includes a constructed wetland, providing natural water purification while promoting biodiversity. This approach to spatial organization emphasizes multi-functionality and community interaction, allowing residents to engage in gardening, animal husbandry, and social gatherings.

### Materiality and Sustainability

The project employs local and sustainable materials to reduce the environmental footprint of construction. Key materials include Ecobuild Mobile Paste, which combines straw, local soil, oyster shells, and saltwater for wall construction. Reclaimed timber is used for structural support, while straw insulation and clay plaster enhance energy efficiency and indoor climate control. Expansive natural glass windows maximize natural light and foster a connection to the landscape. Furthermore, an earthen floor with underfloor heating, powered by a composting system, reflects a commitment to sustainability and energy efficiency. The careful selection of these materials underscores the project's intention to create structures that harmonize with their environment while addressing modern housing needs.

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The Next House: USA — A Global Call to Reimagine the American Suburb

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Competition organisers

Buildner is launching The Next House: USA, a global architecture competition that challenges architects, designers, and thinkers to reimagine the American suburban home for the 21st century. For decades, the suburban house has symbolized comfort and stability, but today it often reflects excess, isolation, and environmental strain. This competition asks: how can the American home evolve to address climate urgency, economic pressures, and shifting social values?

Participants are tasked with designing a prototype home of no more than 1,500 sq ft (≈140 m²) for a household of two adults and one child. The design should be compact yet generous, adaptable, sustainable, affordable, and replicable across diverse U.S. contexts. More than a design exercise, the competition aims to spark a conversation about how homes can support healthier, smarter, and more connected communities.

The total prize fund is $20,000 USD. The final registration deadline is May 20, 2026, and winners will be announced on September 22, 2026. The Next House: USA invites architects, students, and visionaries worldwide to redefine what the American home means today—and what it should mean tomorrow.

The Next House: USA

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20,000 USD Prize ideas COMPETITION
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Early bird registration deadline 19 November 2025

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