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Bamboo and Balau Retreat with Hydroponic Garden

Authors:
Iris Li, Linda Zhou
Bamboo and Balau Retreat with Hydroponic Garden
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Constructed with bamboo and balau, this self-sufficient floating home incorporates a hydroponic garden and rainwater harvesting system, designed for a young couple seeking a sustainable retreat from urban life.
5 key facts about this project
01
Constructed on a floating platform to adapt to seasonal flooding.
02
Uses local materials, specifically bamboo and balau, for environmental compatibility.
03
Incorporates a hydroponic garden to promote sustainable food production.
04
Features a rainwater harvesting system for efficient water management.
05
Designed with multiple functional spaces tailored for work and relaxation.

The Floating Oasis is located in Kanchanaburi, Thailand, designed for a young couple looking for peace away from city life. Surrounded by green vegetation and flat riverbanks, which are often affected by seasonal floods, the home addresses these environmental challenges while blending with its natural setting. The focus is on self-sufficiency and sustainability, creating a living space that works with the local climate.

Design Concept and Spatial Organization

Measuring 25 sqm, the home has a split-level layout with clearly defined areas like a working space, sleeping area, dining section, kitchen, bathroom, meditation room, scenic pond, and hydroponic garden. This organization allows the couple to engage in various activities comfortably. The design emphasizes natural light and air flow, which contributes to a pleasant living environment.

Water Management Systems

A rainwater harvesting system is an essential feature of the Floating Oasis. Water is collected in a central storage compartment placed between the kitchen and bathroom. This system filters and purifies the rainwater for daily use. Additionally, grey water from everyday activities is treated in the hydroponic garden. This approach minimizes waste and enhances the garden’s productivity, highlighting the method of using resources wisely.

Energy Strategy

The home utilizes solar energy, with photovoltaic panels installed on the roof. These panels generate electricity that is stored in the batteries located beneath the structure. This system ensures a steady power supply for the household, allowing the occupants to live independently from external electricity sources.

Material Selection and Passive Design

Local materials like bamboo and balau are used in construction, reinforcing the connection to the cultural context of the area. Passive design elements, including deep eaves and high ventilation openings, promote effective cooling and airflow throughout the home. These features not only improve comfort but also help anchor the home within its environment.

At its heart, the design includes a scenic pond designed to offer views and create a natural habitat, showcasing a commitment to ecological balance.

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The Buildner’s Unbuilt Award 2025: Celebrating Architectural Creativity and Visionary Unbuilt Designs with a Total Prize Fund of €100,000

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Competition organisers

The Buildner’s Unbuilt Award 2025 is an international architecture competition dedicated to recognizing and celebrating the value of unrealized architectural designs. It invites architects, designers, and students worldwide to submit visionary projects that have not yet been constructed, highlighting the power of ideas and the creativity behind the design process. By focusing on unbuilt work, the competition aims to bring forward concepts that shape the future of architecture and push the boundaries of the profession. 

Participants can compete in three categories based on project scale: Small Wonders (up to 100 m²), Medium Marvels (101–999 m²), and Large Visions (over 1,000 m²). Each category winner will receive €20,000, and additional prizes include honorable mentions, student awards, and a special Best Presentation Award. Winning projects will gain significant international exposure through Buildner’s publicity campaign and a feature article on ArchDaily, providing a unique opportunity to showcase creative ideas to a global audience. 

The Buildner’s Unbuilt Award 2025 encourages entrants to submit any type of unbuilt project, from conceptual visions to detailed designs, celebrating bold innovation without the constraints of realization. Important deadlines: registration closes on October 30, 2025; submissions are due by November 20, 2025; winners will be announced on December 17, 2025.

Buildner's Unbuilt Award 2025

Celebrating your unbuilt architecture visions with a €100,000 prize

100,000€ Prize / 2025 ideas COMPETITION
Prize 100,000 €
Eligibility Open to all
Final registration deadline 30 October 2025

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