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Natural Ventilation Emphasized Through Zinc Roofing and Clay Walls in a Sustainable Guest House

Author:
Min ji Kim
Natural Ventilation Emphasized Through Zinc Roofing and Clay Walls in a Sustainable Guest House

Project in-detail

Constructed with sustainable clay walls and topped with durable zinc roofing, the design fosters natural ventilation while serving as a multifunctional space for education and olive oil production.
5 key facts about this project
01
Utilizes locally sourced clay walls for thermal mass and natural insulation.
02
Incorporates durable zinc roofing designed for optimal rainwater management.
03
Features communal spaces specifically designed for olive oil tasting and education.
04
Emphasizes natural ventilation through strategically placed openings and eaves.
05
Integrates regional construction methods to connect with local cultural heritage.

## Project Overview

Located in Portugal, the design features a guest house combined with an olive oil production facility, drawing on the principles of permaculture. The intent is to create a sustainable environment that emphasizes the relationship between architecture, agricultural practices, and community involvement. The project seeks to enhance regional identity while promoting an eco-conscious lifestyle through thoughtful spatial organization and responsible design.

### Design Strategy

The architecture utilizes a simple, low-profile approach that harmonizes with the surrounding landscape. Extensive use of natural materials, including local spruce, oak, clay bricks, and zinc panels, not only reflects the regional character but also supports longevity and energy efficiency. The integration of ample glazing promotes visual connectivity to the landscape, facilitating natural ventilation and minimizing reliance on mechanical systems. The layout encourages communal living, with spaces designed to foster interaction, such as an olive oil tasting room featuring a large wooden table for social engagement.

### Functional Zones and User Experience

The guest house comprises three distinct levels: a basement dedicated to olive oil storage, a ground floor that houses kitchen and communal areas, and a second floor for private accommodations. The arrangement of these spaces enhances accessibility and flow, promoting social interaction among guests. Specific areas, such as the meditation and prayer space, are designed to provide tranquility through strategic placement of windows that filter natural light. The attention to climate-responsive design is notable, as features like louvers and thermal mass elements contribute to natural heating and cooling, aligning with the project's commitment to sustainability.

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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

Buildner's Unbuilt Award 2025
Buildner's Unbuilt Award 2025
100,000€ Prize / 2025
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Denver Affordable Housing Challenge
Affordable Housing Series 19th Edition
The Architect's 
Chair
The Architect's Chair
Take a seat and make a statement! Edition #4
MICROHOME
MICROHOME
100,000 € Prize Fund / Kingpsan Edition #10
Kinderspace
Kinderspace
Architecture for Children’s Development #3
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