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Bamboo Screens and Susuki Roofs in a Compact Eco Home

Authors:
Yuge Gao, Sangay Dorji wangchuk, Martina Marengo, Denislav Ignatov
Bamboo Screens and Susuki Roofs in a Compact Eco Home

Project in-detail

Crafted with bamboo screens and a Susuki roof, this eco-friendly microhome in Nagano offers a sustainable living solution amid a tranquil bird sanctuary.
5 key facts about this project
01
Crafted entirely with local materials, enhancing environmental sustainability.
02
Bamboo screens provide flexible privacy and integrate traditional techniques.
03
Susuki roof design incorporates solar panels for clean energy utilization.
04
Elevated on a wooden deck, allowing for multifunctional outdoor space.
05
Located in a bird sanctuary, promoting ecological sensitivity and calm living.

Take No Hari is a microhome designed by a group of architects from Bulgaria, Bhutan, Italy, and Singapore. Located in Nagano, Japan, the project responds to issues of urban overpopulation, particularly as more people are moving from Tokyo following the pandemic. The design merges Eastern and Western architectural ideas, drawing inspiration from traditional forms like Trullo and Baso structures.

Layout and Spatial Organization

The microhome's layout features two main areas: a larger space for living, eating, and working, and a smaller area intended for sleeping. This clear separation allows for a balance between social interaction and personal time. The sleeping area includes bamboo screens that provide privacy when needed, making the space flexible for different activities and experiences.

Natural Light and Interior Experience

A central feature of the design is a skylight, which allows sunlight to fill the interior. This brings warmth and brightness into the home, improving the living experience. Furniture is arranged along the curved walls, preserving open sightlines and connecting occupants with nature outside. Such a focus on natural light supports well-being, making the microhome a pleasant place to reside.

Materiality and Sustainability

Take No Hari emphasizes the use of low-embodied materials alongside traditional construction methods. The roof resembles the Gassho style, utilizing Susuki, or water reeds, with solar panels incorporated for energy efficiency. Walls consist of a combination of bamboo and cedar, with rice husk insulation that aids thermal comfort. These material choices reflect a commitment to sustainability while ensuring durability and functionality.

Design Detail and Contextual Integration

The microhome is raised on a wooden deck that can serve as a gathering space for picnics and outdoor activities once the structure is no longer in use. This design choice aligns with principles of sustainable living and shows an understanding of the local environment. Positioned within a bird sanctuary, the home enhances both the aesthetic and functional qualities of its setting. The overall architectural approach honors traditional values while addressing contemporary living needs.

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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
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