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Biological Waste Treatment with Cross-Laminated Timber in Compact Modular Housing

Author:
Petre Simonescu
Biological Waste Treatment with Cross-Laminated Timber in Compact Modular Housing
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Utilizing Cross-Laminated Timber and a biological wastewater treatment system, this compact modular housing solution offers a flexible and sustainable living option while prioritizing energy efficiency and environmental responsibility.
5 key facts about this project
01
Utilizes Cross-Laminated Timber for structural integrity and sustainability.
02
Incorporates a compact, non-electric biological wastewater treatment system.
03
Designed for easy relocation, minimizing environmental impact.
04
Supports energy needs with eight photovoltaic panels per module.
05
Features an adaptable layout allowing expansion or contraction based on occupancy.

The Mito - Multiplying Modular House offers a fresh take on residential living through a design inspired by the natural process of cell division. Located in an environment that values sustainability, the house functions as a flexible and adaptable space. It can expand or contract depending on the changing needs of the occupants. This focus on functionality and environmental care reshapes the way individuals can interact with their living spaces over time.

Modularity

The design features two independent modules that can either serve as one complete living unit or function as two separate homes. This dual-module system allows easy relocation, minimizing the typical environmental impact of conventional housing. When the modules are moved, only a concrete foundation and an area for the septic system remain behind, illustrating a commitment to responsible development practices.

Technical Components

Self-sufficiency is key to the modules. Each one is equipped with systems that support off-grid living. A Water Filtration System and septic tank manage waste effectively, ensuring clean water and proper sanitation. The septic system employs a compact, non-electric approach to treat wastewater biologically. This process separates impurities before discharging treated water, highlighting the design’s attention to functionality and ecological awareness.

Energy Strategy

Energy efficiency plays an important role in the overall design. Analysis of solar potential in Berlin, Germany, informs the energy strategy. Each module can accommodate eight photovoltaic panels, generating around 4 kWh. This output is sufficient for a household of three to four people. Additionally, an underfloor heating system requires only 2.5 kWh, which enhances comfort while maintaining low energy consumption.

Materiality

Cross-Laminated Timber (C.L.T.) is used for building the modules. This material provides strength and stability while aligning with sustainability goals. Utilizing C.L.T. allows for prefabrication, which reduces waste and makes construction more efficient. This choice supports the overall aim of creating a residential space that is both practical and environmentally conscious.

Mito's design responds directly to modern housing challenges. It facilitates adaptability, sustainability, and efficient use of resources. Through its structural features and integrated systems, it presents a clear vision for future housing solutions, striking a balance between practicality and thoughtful design.

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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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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.

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

100,000€ Prize / 2025 ideas COMPETITION
Prize 100,000 €
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Final registration deadline 30 October 2025

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