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Cross-Laminated Timber Panels and Rainwater Integration in Compact Urban Living

Authors:
Alexander Herrera-rojas, Katarzyna ZiÓŁkowska, Rafael Andres Dominguez Alarcon
Cross-Laminated Timber Panels and Rainwater Integration in Compact Urban Living

Project in-detail

Incorporating cross-laminated timber panels and a rainwater harvesting system, the design creates an efficient and sustainable living environment within a compact urban footprint.
5 key facts about this project
01
Materials include charred wooden shingles for enhanced durability and aesthetics.
02
Rainwater harvesting systems integrated for sustainable water management.
03
A compact design utilizes vertical living spaces to maximize usability.
04
Interconnected voids promote natural ventilation and daylight throughout.
05
Community-oriented layout encourages social interaction among residents.

### Overview
The MicroHIVE design initiative is situated within a contemporary urban context, addressing the need for sustainable living solutions that harmonize with natural environments. The intent is to create housing that meets the demands of modern residents, including individuals and couples, while minimizing ecological footprints. This residential model aims to foster a sense of community and promote an eco-conscious lifestyle through an innovative framework of design and functionality.

### Spatial Configuration
The architectural layout employs a vertical strategy to maximize land use and interaction with the surrounding landscape. The ground floor encompasses essential utility areas such as storage, dining, a kitchen, and hygiene facilities, establishing a functional base. The first floor serves as a social hub, blending living and working spaces that facilitate collaboration among residents. The second floor is dedicated to private sleeping quarters, ensuring comfort and tranquility. Additionally, the incorporation of voids and interconnected staircases not only enhances ventilation but also fosters visual connectivity, thereby promoting engagement between different levels.

### Material Strategy
The design emphasizes sustainability through a predominant use of timber, including timber cladding for the exterior and wall framing to optimize energy performance. Thermal efficiency is further enhanced with Kingspan insulation products, while interior surfaces are finished with plaster for aesthetic appeal. Double-glazed windows increase natural light and insulation, and solar tiles contribute to renewable energy generation. The use of lightweight metal mesh for balconies facilitates airflow while preserving visual openness, reinforcing the project’s commitment to both material efficiency and aesthetic coherence.

### Sustainable Features
Key sustainable systems incorporated into the MicroHIVE design include a solar energy battery for efficient energy storage and a rainwater harvesting system that supports domestic use and gardening. These features not only reduce reliance on non-renewable resources but also promote a connection to the environment through agricultural practices. The potential for communal living is also explored, with shared spaces designed to encourage social interactions among residents, thereby fostering a cohesive neighborhood atmosphere.

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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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