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Rainwater Harmony Within Cork and Terracotta Retreat

Authors:
Felix Kruthaup, Eduarda Poubel, Muriel Lippert
Rainwater Harmony Within Cork and Terracotta Retreat

Project in-detail

Utilizing cork walls and terracotta tiles for effective rainwater management, the design creates a sustainable retreat that emphasizes solitude and connection with nature.
5 key facts about this project
01
Utilizes tree screws to anchor the structure while minimizing damage to surrounding flora.
02
Incorporates a mulch basin for effective greywater treatment within the landscape.
03
Features a back-ventilated roof design that regulates indoor climate naturally.
04
Walls made from solid cork enhance thermal insulation and provide acoustic privacy.
05
Includes an impluvium for rainwater collection, seamlessly integrating sustainability into the design.

O CANTO DAS LÁGRIMAS forms a quiet retreat that highlights the relationship between built space and nature. Located among greenery, the structure provides a space for reflection and connection. The design concept centers on creating a place that works with its surroundings, encouraging both social interaction and personal solitude in a natural setting.

Concept and Spatial Organization

The concept focuses on offering a retreat that promotes a thoughtful engagement with the environment. Spaces are laid out to support both social gatherings and moments of solitude. The design allows occupants to interact with the landscape, making use of sensory elements like the sound of rainwater falling on the structure. This sound enhances the experience of being in nature, adding depth to everyday activities.

Materiality

Materials were selected for their environmental qualities and their ability to blend with the landscape. The walls are made from solid cork, which provides insulation while ensuring a sense of privacy. This choice reflects a dedication to low-impact living and keeps a connection to the outdoors. Terracotta tiles line the impluvium, helping collect water and showcasing local craftsmanship.

Climate Control and Structural Elevation

The roof design features ventilation and insulation that regulate temperature throughout the year. This helps ensure comfort while reducing energy use. The building is elevated above the ground using a wooden beam, which limits disruption to the natural environment and provides clear views of the surroundings. Tree screws anchor the structure, ensuring minimal damage to nearby plants and allowing them to grow without hindrance.

Water Management Systems

Effective water management is a key feature of the design. A mulch basin blends with the landscape to treat greywater, highlighting a focus on environmental care. The inclusion of a composting toilet reinforces the sustainable practices applied throughout. This approach promotes a healthy relationship between the building and the landscape, allowing both to coexist.

Natural light plays a significant role in how the interior feels. Sunlight comes through openings, creating changing patterns on surfaces. This connection to the outside blurs the lines between indoors and outdoors, supporting the idea of harmony with nature.

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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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