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Rammed Earth Walls and Natural Masonry in a Compact Sustainable Retreat

Authors:
Yinka Richer, Andrei Leasu, Rene Raducu
Rammed Earth Walls and Natural Masonry in a Compact Sustainable Retreat
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Constructed with rammed earth walls and natural masonry, the cabin offers a compact and functional living space that harmonizes with its New Zealand setting while prioritizing sustainability.
5 key facts about this project
01
Rammed earth walls enhance thermal insulation and structural stability.
02
A pavilion-style dining area offers panoramic views of the landscape.
03
The bedroom features a detached bathtub for a unique outdoor experience.
04
All doors can fully open to create a seamless indoor-outdoor connection.
05
Natural rubble stone masonry is used for the foundation and aesthetics.

The self-sustainable cabin in New Zealand is designed to accommodate two occupants. The project focuses on harmonizing with the surrounding landscape while ensuring a functional living space. The design draws from an understanding of the local climate, geography, and orientation, creating an environment that supports both comfort and connection to nature.

Day Area

The cabin is divided into two main sections: the day area and the night area. In the day area, the living room and pavilion-style dining room are strategically placed to face southeast. This positioning allows for plenty of natural light and provides broad views of the landscape. The design is practical, featuring necessary appliances and a technical maintenance room that enhances the living experience without sacrificing comfort.

Night Area

The night area is dedicated to rest and relaxation. It includes a cozy bedroom that offers direct views of the outside world, accompanied by a detached bathtub nearby. This setup emphasizes privacy while still allowing occupants to enjoy their natural surroundings. The opening doors facilitate a smooth transition between the indoor and outdoor spaces, making the connection with nature more intimate.

Thermal Performance

Addressing local climate needs is an important aspect of the design. A dedicated wall serves dual purposes, providing storage for wardrobes while acting as a barrier that separates the two areas. This design helps block cold winds from the west, enhancing insulation and comfort within the cabin. Such thoughtful planning creates a peaceful and private space for residents.

Sustainable Elements

The choice of materials significantly contributes to the cabin’s overall design. The foundation consists of natural rubble stone masonry with cement mortar, offering a stable base. The structure is made from reinforced rammed earth and timber framing, which adds strength and longevity. The roof features a hidden pitched wooden frame that effectively manages water drainage. To promote sustainability, the cabin incorporates renewable energy sources, including wind turbines and solar panels. These elements allow the dwelling to operate independently, reflecting modern approaches to living in harmony with the environment.

The layout and materials come together to create a practical yet thoughtful retreat, where the natural world becomes an integral part of daily life.

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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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Design the next suburban home for the USA

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Eligibility Open to all
Early bird registration deadline 19 November 2025

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