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Volcanic Concrete and Living Walls in a Modular Microhome Design

Authors:
Mitya Alain Antoine Vautrin, Jair Jafeth Delgado, Ronan Matthias Bowman Schneider, Subash Krishna Alapati, Lorentz Lankoande
Volcanic Concrete and Living Walls in a Modular Microhome Design

Project in-detail

Utilizing volcanic concrete and integrated living walls, this microhome exemplifies a sustainable approach to residential living, maximizing energy efficiency and ecological sensitivity in a compact design.
5 key facts about this project
01
Utilizes volcanic concrete derived from local geological features for enhanced durability.
02
Incorporates living walls to improve air quality and enhance aesthetics.
03
Features a modular design that allows for flexible living arrangements.
04
Employs geothermal energy systems tailored to the site's climatic conditions.
05
Maximizes natural light with strategically placed large windows for optimal energy efficiency.

### Project Overview

**Project Name:** Ashborn House
**Location:** Situated on a hillside near areas of volcanic activity, this microhome project addresses climate change through innovative design and sustainable materials. **Size:** Approximately 25 m².

The Ashborn House is conceived as a resilient residence that contemplates the challenges posed by the contemporary climate crisis while emphasizing a sustainable lifestyle. Through the use of intelligent design, modular techniques, and a close relationship with the natural landscape, the project aspires to provide an efficient living environment that is both comfortable and environmentally responsible.

### Architectural Configuration and User Experience

The design strategy consists of three linear programmatic blocks: a communal living area, a kitchen and gathering zone, and a private bathroom and sleeping loft. This configuration promotes fluid spatial dynamics while fostering intimacy, moving from communal to private zones as inhabitants navigate the home. Complementing the spatial arrangement, the sloped roof enhances aesthetics and facilitates natural ventilation, improving thermal comfort through efficient air circulation.

### Materiality and Sustainability

Incorporating local materials, the Ashborn House utilizes concrete made with environmentally friendly methods and locally sourced aggregates, significantly reducing carbon emissions. Internal wood elements, from flooring to structural frameworks, add warmth while also being functional. Biophilic design features, such as living walls, contribute to biodiversity and indoor air quality.

The project integrates sustainable technologies, including roof-mounted solar panels to harness renewable energy, geothermal systems for heating and cooling, and rainwater harvesting frameworks to maximize resource efficiency. The overall design respects the local topography and ecology, positioning the home within its context and promoting a sustainable living model adaptable to various geographic and climatic settings.

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MICROHOME 10: Celebrating Small-Scale Living with €100,000 Prize Fund and Kingspan’s Innovation

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The MICROHOME 10 competition invites participants to submit visionary designs for off-grid, modular microhomes that push the limits of sustainable, small-scale living. Organised by Buildner in partnership with Kingspan and Hapi Homes, this tenth edition sets the challenge of designing a dwelling for two people within a maximum floor area of 25 m², encouraging bold solutions adaptable to any urban or rural location. The competition continues Buildner’s mission to foster innovative approaches to compact, energy-efficient housing that can address pressing global challenges.

This year’s edition offers a generous total prize fund of €100,000, including the Kingspan Award for designs that integrate high-performance Kingspan products and the Hapi Homes Award for a project selected for real-world construction. In addition to cash prizes, the winners gain international exposure through Buildner’s media partnerships, publications, and a dedicated MICROHOME magazine, further amplifying their ideas to the wider architectural community.

Key dates for MICROHOME 10 include the closing date for registration on 25 September 2025, the submission deadline on 29 October 2025 (11:59 p.m. London time), and the announcement of winners on 9 December 2025. These milestones ensure participants have clear timelines to develop and present their concepts, with early registration discounts available to support students and emerging designers worldwide.

MICROHOME

Design a new small-scale home concept in the 10th edition of MICROHOME — 100,000 € prize + construction

100,000 € Prize Fund / Kingpsan Edition #10 ideas COMPETITION
Prize 100,000 € + Potential realisation
Eligibility Open to all
Final registration deadline 25 September 2025

Enter an open architecture
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