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Cardboard Walls and Bamboo Flooring in a Self-Sufficient Mediterranean Retreat

Authors:
Claudio Zampaglione, Federica Gioja, Valeria Di Paola
Cardboard Walls and Bamboo Flooring in a Self-Sufficient Mediterranean Retreat

Project in-detail

Utilizing cardboard walls and bamboo flooring, the design prioritizes sustainability and self-sufficiency in a compact home that invites a seamless interaction with its Mediterranean surroundings.
5 key facts about this project
01
Utilizes a cardboard wall system for lightweight construction.
02
Incorporates a hydroponic garden for on-site food production.
03
Features a bio composting toilet to promote self-sufficiency.
04
Integrates a rainwater collection system for sustainable water use.
05
Constructed without a foundation, allowing for quick assembly in varied locations.

The WILD open-air home project embodies a design that connects living spaces with the natural environment. Located in a Mediterranean landscape, it offers a combination of indoor and outdoor areas that support a sustainable and independent lifestyle. The design allows residents to immerse themselves in their surroundings while providing functional spaces for both living and working. This approach creates a balance between comfort and nature, encouraging a simpler way of life.

Design Concept

At the heart of the home is a focus on sustainability and self-sufficiency. By reducing dependence on public services, residents can live off-grid, aligning with a growing interest in eco-friendly living. The layout includes options for both close plan and open plan arrangements, allowing residents to adapt the space to their needs. This flexibility enhances daily life by facilitating different activities, from relaxing to working.



Construction and Assembly

The construction process of the WILD home is straightforward and efficient. It does not require a permanent foundation, which makes it easier to build in various locations. The structure is made off-site and can be quickly transported and assembled, typically in just a few days. This method supports the goal of minimizing construction time while maintaining a practical design approach.



Materiality

Materials used in the WILD home play an important role in its design and functionality. Recycled structural steel provides strength and durability, while bamboo flooring is chosen for its sustainability and natural appearance. A steel grating system enhances ventilation and overall structural support. Natural cocciopesto plaster serves as an eco-friendly finishing touch, and the use of cardboard wall systems highlights a commitment to lightweight construction and sustainability.



Functional Elements

The design incorporates various practical features that enhance everyday living. These include a bio composting toilet and flexible waste systems that contribute to a self-sufficient lifestyle. A rainwater collection system and a hydroponic garden promote sustainable practices right within the home. Each element is thoughtfully integrated to support a lifestyle that values environmental responsibility and a close connection to nature.



The terrace serves as a continuation of the interior space, offering a gentle transition to the landscape outside. This integration maximizes natural light while encouraging outdoor activities and engagement with the surrounding environment. The balance of indoor comfort and outdoor freedom is central to the experience of living in this home, making it a place where nature and daily life coexist harmoniously.

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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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