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Natural Plaster and Earth Integration Define a Self-Sufficient Microhome Retreat

Natural Plaster and Earth Integration Define a Self-Sufficient Microhome Retreat
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Constructed with rammed earth and stabilized soil blocks, this compact microhome integrates a circular courtyard and passive design principles to create a self-sufficient living space in Prince Albert, South Africa.
5 key facts about this project
01
Constructed with locally sourced rammed earth and stabilized soil for enhanced thermal performance.
02
Features a circular courtyard that maximizes natural light and promotes privacy.
03
Partially submerged design utilizes geothermal properties for natural temperature regulation.
04
Incorporates rainwater harvesting and mechanical systems for sustainable resource management.
05
Minimal footprint of 25 square meters supports a self-sufficient lifestyle in a compact setting.

### Overview
Located in Prince Albert, Western Cape, South Africa, "The Mound" is an architectural project that seeks to align with the local environment while addressing contemporary sustainability challenges through minimalistic design. The microhome concept is inspired by the efficiency of termite mounds, providing a self-sufficient retreat that promotes mindfulness and a connection to nature.

### Spatial Configuration
The design encompasses a compact footprint of 25 square meters, integrating essential living functions—sleeping, cooking, and leisure—within a cohesive layout. The circular courtyard serves as the core of the residence, enhancing visual and physical connectivity while maintaining privacy and offering a tranquil outdoor space. A spiral internal configuration aids circulation, featuring a mezzanine sleeping area that maximizes verticality, and an open-plan kitchen and living area designed for multifunctionality and social interaction.

### Material Selection and Sustainability
The use of sustainable materials is central to this project, incorporating adobe bricks for thermal insulation, rammed earth as a load-bearing element, and stabilized soil blocks for enhanced durability. Natural plaster finishes contribute to a breathable living environment. The building is partially submerged, promoting thermal stability and environmental harmony. Additionally, functional systems include rainwater harvesting for effective water management, mechanical heating that utilizes earth warmth, and wind harnessing elements to facilitate natural cooling, underscoring a commitment to ecological sustainability.

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Kingspan MICROHOME 2026: Building Less to Create More

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Competition organisers

The Kingspan MICROHOME 2026 competition invites architects and designers worldwide to rethink small-scale living by creating an off-grid, modular micro dwelling under 25 m². Now in its 11th edition, the contest emphasizes sustainable, innovative, and human-centered design that demonstrates how compact living can have a big impact.

With a €100,000 prize fund, entries will be evaluated for originality, efficiency, and their response to contemporary environmental and social challenges. The competition is open to everyone, with submissions allowed individually or in teams of up to four. Registration closes on 30 September 2026, and winners will be announced on 15 December 2026.

By celebrating creativity within strict limits, MICROHOME 2026 continues to push the boundaries of compact architecture and sustainable living.

MICROHOME 2026

Design a new concept of small-scale home and share a prize fund of 100,000€

100,000 € Prize Fund / Kingpsan Edition #11 ideas COMPETITION
Prize 100,000 €
Eligibility Open to all
Final registration deadline 30 September 2026

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