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Charred Wood Exterior Meets Green Roof in Compact Microhome Design

Authors:
Darla Lindberg, Trevor Berreth
Charred Wood Exterior Meets Green Roof in Compact Microhome Design
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Constructed with a charred wood exterior and enhanced by a green roof, the microhome is designed to promote sustainability while providing a versatile living space for its inhabitants.
5 key facts about this project
01
Constructed with a charred wood exterior for enhanced durability and weather resistance.
02
Features a green roof that supports local biodiversity and effective rainwater management.
03
Includes a central pinhole skylight for maximizing natural light throughout the space.
04
Configured with modular systems to allow flexible use for various daily activities.
05
Designed as an off-grid home with integrated solar hydronics for energy efficiency.

The microhome focuses on sustainable living through an innovative design. It is situated within a context of global afforestation efforts, addressing ecological concerns while providing a practical space for its users. The design embodies the concept of the poche, which promotes interaction between the home and its occupants. It aims to heighten ecological awareness and improve daily living experiences.

Architecture Concept

This home is designed as an off-grid dwelling that incorporates energy-efficient solutions. The use of sun-tempered design and high-quality insulation ensures optimal temperature regulation. Solar hydronic heating and cooling systems significantly reduce energy costs and environmental impact. The layout is well-thought-out, providing comfort and maximizing space for a two-person household.

Materials

Renewable wood forms the core of the structure, offering both durability and a natural aesthetic. A green roof enhances the building's ecological profile, promoting biodiversity and assisting with rainwater filtration. The contrast between the black charred wood exterior and the lighter interior finish creates a warm, inviting atmosphere. These material choices reflect a commitment to sustainability while maintaining visual appeal.

Spatial Configuration

Inside, the microhome spans 900 square feet, divided into modular areas. This organization allows different activities—sleeping, bathing, cooking, and relaxing—to take place within the same footprint. The open space of 1440 cubic feet provides flexibility, accommodating various functions as needed. Natural light plays a crucial role in the design, entering through a central pinhole skylight to create a bright and airy feel.

Transitional Elements

A folding glass façade encourages a connection between the indoors and outdoors. This feature allows fresh air and sunlight to enter the living space, marking the passage of the day. Such elements help residents engage with their surroundings, fostering a relationship with nature that enhances everyday life. The overall design promotes a lifestyle focused on sustainability while ensuring a comfortable and adaptable living environment.

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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.

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