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Recycled Glass and Plastic Segmented House Emphasizing Natural Light and Sustainability

Authors:
Sarah Casas, Mariano Villaescusa
Recycled Glass and Plastic Segmented House Emphasizing Natural Light and Sustainability
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Utilizing recycled glass and plastic, the segmented design of this house emphasizes natural light and outdoor connectivity, creating a sustainable living environment tailored for rest and reflection.
5 key facts about this project
01
Inspired by the lifecycle of a caterpillar, the design symbolizes transformation.
02
High-level louvres enhance natural light and ventilation throughout the house.
03
A rainwater catchment system is integrated to promote resource efficiency.
04
Segments are designed for specific functions, providing both privacy and communal areas.
05
Recycled materials include glass windows and plastic wall panels, supporting sustainability.

The Caterpillar House is an architectural exploration that focuses on connecting with the natural world. Located in a setting that encourages this relationship, the design serves as a personal space for rest and reflection. Inspired by the lifecycle of a caterpillar, the structure divides into segments that symbolize change and growth. Each part of the design supports different functions while encouraging a smooth interaction between indoor spaces and the outdoors.

SITING AND SEGMENTATION

The layout consists of four main segments that have specific purposes: Resting, Cleansing, Cooking, and Living & Working. There is also an outdoor area that complements the structure. Each segment measures 2.5m x 2.5m, while the outdoor space expands to 2.5m x 5m. This careful arrangement allows for efficient use of space. It offers both private moments and shared experiences, catering to various needs throughout the day.

ARCHITECTURAL FEATURES

High-level louvres and windows form an important part of the front elevation. These features not only allow natural light into the home but also promote ventilation. They create a sense of connection to the surrounding landscape. The different ceiling heights inside create an interesting rhythm throughout the segments. This variation guides people as they move through the house, encouraging exploration and interaction.

MATERIALS AND SUSTAINABILITY

Materials used in the design reflect a commitment to sustainability. Recycled glass windows, tiles, and countertops reduce environmental impact. Insulated wall panels made from recycled plastic and glass mosaics contribute to energy efficiency. The use of fly-ash concrete floors along with cork tiles and woven matting enhances durability and comfort. Joinery and furniture made from recycled plastic and marine-grade plywood further align with eco-friendly principles.

DESIGN INNOVATIONS

Innovative elements in the design include an adjustable awning and flexible outdoor flooring, which enhance usability. A rainwater catchment system is also integrated, promoting resource efficiency. The layout of spaces encourages well-being and fosters a healthy relationship between people and their environment.

The Cookery segment features high-level storage that can be accessed by a ladder. This design choice reflects an effort to make the most of vertical space while keeping a natural flow throughout the house.

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Enter an open architecture
competition now

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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