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Natural Ventilation Through Earth Walls and Intelligent Facades in Sustainable Residential Design

Authors:
Dang Khoa Phan, Brieuc Christophe N De Norre
Natural Ventilation Through Earth Walls and Intelligent Facades in Sustainable Residential Design

Project in-detail

With its integration of earth walls and intelligent facades that enable natural ventilation, this residence exemplifies a sustainable approach to family living while fostering communal interaction in a thoughtfully designed courtyard space.
5 key facts about this project
01
Incorporates earth walls that enhance thermal mass and energy efficiency.
02
Features intelligent facades with automated shading for temperature regulation.
03
Central courtyard design promotes social interaction and family gatherings.
04
Utilizes prefabricated concrete modules for rapid and efficient construction.
05
Integrates Musharabiah elements to balance privacy and natural cooling.

### Overview

The Baggala House, designed in 2023, integrates traditional vernacular architecture with contemporary practices, aimed at addressing environmental concerns and the evolving social dynamics of family life. Located in a culturally rich context, the design reflects a commitment to sustainable living while incorporating innovative building strategies that resonate with local architectural heritage.

### Spatial Strategy and Cultural Relevance

The design employs a deliberate spatial organization that fosters community interaction and personal privacy. Key features include natural ventilation systems augmented by a wind tower, which enhances indoor air quality, and a central courtyard that serves as a communal space for family and guests. The inclusion of Musharabiah elements allows for both privacy and effective cooling, in line with regional architectural traditions. The Majlis serves as a welcoming gathering area near the entrance, emphasizing its role in social interactions. This thoughtful arrangement of spaces cultivates a harmonious living environment tailored to the needs of its occupants.

### Material Selection and Environmental Responsibility

The material palette for the Baggala House emphasizes sustainability while reflecting local building practices. Prefabricated concrete modules reduce the ground footprint and allow for efficient construction. On-site poured concrete ensures durability, while earth walls employ local materials to enhance thermal performance. Advanced glazing in the intelligent facades optimizes light and temperature regulation. The use of wood for interior finishes enriches the aesthetic, providing warmth and a tactile quality. This combination of materials not only supports ecological principles but also creates an environment that respects and integrates with the surrounding landscape.

### Technical Innovations

Innovative technical systems augment the performance of the Baggala House. Natural and mechanical ventilation strategies are implemented to improve indoor air quality while allowing for the potential integration of modern air conditioning systems. Water management systems are designed to channel excess moisture from the façade, facilitating collection and reuse. The interplay between the exterior facade and indoor climate is optimized through controlled shading and ventilation, ensuring year-round comfort. Overall, these systems reflect a commitment to harmonizing technological advancements with sustainable practices.

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

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Competition organisers

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
competition now

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Buildner's Unbuilt Award 2025
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