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Mass Timber Retreat with Hydroponic Integration in Portugal

Author:
Sophia Smith
Mass Timber Retreat with Hydroponic Integration in Portugal
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Equipped with a mass timber structure and a hydroponic greywater treatment system, the design showcases a coastal living solution that maximizes sustainability while providing adaptable, compact spaces for everyday use.
5 key facts about this project
01
Utilizes a retractable photovoltaic canopy for energy efficiency.
02
Integrates a hydroponic greywater treatment system for sustainable water use.
03
Constructed with mass timber to enhance thermal performance.
04
Features a compact sleeping nook optimized for small living.
05
Designed for quick assembly and disassembly in various environments.

The Crate House is a modular and adaptable accessory dwelling unit located in Vale de Moses, Central Portugal. It challenges the typical ideas surrounding small living spaces by focusing on adaptability and sustainability. The design connects with its coastal environment, aiming to balance human needs with nature. Through its innovative concept, it addresses modern living requirements while promoting a lower impact on the environment.

Design Philosophy

The architecture reflects the principle that living in a smaller space does not require giving up comfort or personal belongings. Flexibility plays a crucial role, allowing spaces to adjust to different uses as the needs of the occupants change. The structure's prefabricated and modular nature enables quick assembly and disassembly, making it easy to move to various locations and climates.

Sustainability Features

A significant focus of the Crate House is the integration of sustainable technologies. The retractable photovoltaic system ensures energy efficiency. An activated carbon filter improves indoor air quality, contributing to a healthier living environment. A hydroponic greywater treatment system supports food production and ensures responsible use of water. Furthermore, the design includes an adaptation of the Harold Hay Roof Pond that helps produce oxygen and supports sustainable food sources.

Architectural Composition

The ground level is designed to make the most of a compact area. It includes a sleeping nook along with spaces for daily activities, all while keeping the footprint small. The roof plan introduces a wheel-bearing design that, along with precast concrete box culverts, allows for an expandable living area, reinforcing the project's modular approach.

Material Considerations

In construction, mass timber is used for the roof structure, which lends strength and promotes energy efficiency. Skylights are integrated into the timber framework, allowing natural light to enter the living space and creating a direct connection to the surrounding landscape. This thoughtful selection of materials, combined with the overall design strategy, illustrates a commitment to sustainability and responsive living environments.

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Kingspan MICROHOME 2026: Building Less to Create More

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Competition organisers

The Kingspan MICROHOME 2026 competition invites architects and designers worldwide to rethink small-scale living by creating an off-grid, modular micro dwelling under 25 m². Now in its 11th edition, the contest emphasizes sustainable, innovative, and human-centered design that demonstrates how compact living can have a big impact.

With a €100,000 prize fund, entries will be evaluated for originality, efficiency, and their response to contemporary environmental and social challenges. The competition is open to everyone, with submissions allowed individually or in teams of up to four. Registration closes on 30 September 2026, and winners will be announced on 15 December 2026.

By celebrating creativity within strict limits, MICROHOME 2026 continues to push the boundaries of compact architecture and sustainable living.

MICROHOME 2026

Design a new concept of small-scale home and share a prize fund of 100,000€

100,000 € Prize Fund / Kingpsan Edition #11 ideas COMPETITION
Prize 100,000 €
Eligibility Open to all
Final registration deadline 30 September 2026

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