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Aquatic-Plant Landscaping and Precast Structures Enhancing Sustainable Living

Authors:
Terrence Etienne, Carlos Teissonniere
Aquatic-Plant Landscaping and Precast Structures Enhancing Sustainable Living
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Sustainable water management through rainwater harvesting and integrated aquatic planting systems defines a collection of interconnected pavilions designed to foster community well-being in a natural setting.
5 key facts about this project
01
Sustainable rainwater harvesting system supports all water needs onsite.
02
Incorporation of eco-friendly incineration toilets reduces environmental impact.
03
Pavilions are strategically spaced to enhance natural light penetration.
04
Use of precast concrete allows for efficient and durable construction.
05
Integrated aquatic planting systems provide natural water filtration and beautification.

Karma - House of Voca is a thoughtful arrangement of pavilions, each serving a specific purpose, situated within a calm natural landscape. The design emphasizes a strong relationship with the environment, inviting occupants to engage closely with the space around them. By spacing out the pavilions to create voids that let in light and offer views of the outdoors, the design fosters an atmosphere of openness and tranquility.

SUSTAINABILITY AND SELF-SUFFICIENCY

The project integrates sustainable features that allow it to function with minimal outside input. Solar panels are positioned to capture sunlight and generate renewable energy. A rainwater harvesting system collects water from the roofs for reuse within the building. Taken together, these elements support a responsible approach to resource management.

CIRCULATION AND SPATIAL ARRANGEMENT

An open circulation spine connects the pavilions, making it easy for people to move from one space to another. This design enhances natural light and visual links between different areas, creating a sense of flow. The layout not only prioritizes movement but also contributes to the overall experience by encouraging interaction among spaces.

MATERIALITY AND AESTHETICS

The choice of materials is intentional, focusing on durability and integration with the natural surroundings. Precast concrete forms the main structure, providing strength and a simple, clean look. Wood is used for cladding the pavilions, adding warmth that harmonizes with the outdoor environment. Large glass windows and walls create visual connections between inside and outside, allowing natural light to fill the spaces.

The pavilions also incorporate eco-friendly incineration toilets that process waste by using high heat, eliminating the need for traditional septic systems. This practical innovation showcases the commitment to sustainability and efficient resource management throughout the design.

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MICROHOME 2026
MICROHOME 2026
100,000 € Prize Fund / Kingpsan Edition #11
The Next House: USA
The Next House: USA
20,000 USD Prize
Buildner's Unbuilt Award 2026
Buildner's Unbuilt Award 2026
100,000€ Prize / 2026

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
Prize Monetary award
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