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Rainwater Harvesting Shelters With Reed Roofing in Coastal Community

Authors:
Lupascu Catalina, Stroia Andreea, Marinescu Ionut alexandru, Domnica Razvan-constantin
Rainwater Harvesting Shelters With Reed Roofing in Coastal Community

Project in-detail

Utilizing rainwater harvesting and sustainable reed roofing, the design offers modular housing solutions that promote self-sufficiency and community resilience in a coastal slum environment.
5 key facts about this project
01
Modular platforms allow for individual customization while maintaining community integrity.
02
Rainwater harvesting systems provide a sustainable water source for households and gardens.
03
Gardens utilize aeroponic systems to maximize water efficiency for food production.
04
Vermicomposting enhances waste management, improving soil quality in urban gardening.
05
Reed roofing offers natural soundproofing and insulation, suitable for coastal conditions.

The design addressing the social and housing issues in the Makako slum of Lagos, Nigeria, offers a modular solution for the unique challenges of living on water. This area, which lacks essential utilities such as water and electricity, requires practical and sustainable habitat strategies. The design honors traditional building methods while providing flexibility for residents to personalize their living environments, enhancing a sense of community.

Design Concept

Modularity is at the heart of the design, allowing families to adapt their platforms to suit their needs. Each module accommodates essential living functions and is arranged around a central courtyard. This layout encourages interaction among residents while ensuring privacy. The design draws inspiration from local architectural traditions, creating a familiar yet functional environment.

Water Management

An effective water management system is crucial in this setting. Rainwater harvesting collects water from the platforms, which is then filtered and stored for household use. This system addresses the scarcity of safe drinking water and is complemented by individual gardens where residents can grow vegetables. Aeroponic systems within the gardens use minimal water, promoting self-sufficiency and food security.

Sustainable Practices

The approach to waste management employs vermicomposting, which uses earthworms to break down organic waste and improve soil quality in gardens. A desalination process, utilizing solar heat for evaporation and condensation, produces additional household water. This ensures a reliable supply for daily needs, including irrigation. Gray water from showers is recycled for toilet use, maximizing water efficiency and reinforcing a commitment to sustainability.

Material Selection

Materials are chosen to fit local practices and environmental conditions. Solid wood provides a strong framework for the structures, ensuring resilience against coastal challenges. Recycled wood in the form of oriented strand board serves as wall coverings, while treated wool offers insulation. The roofing incorporates reed, which enhances soundproofing, and galvanized steel is used for anchoring the structures to withstand the harsh coastal environment. Solid wood beams and planking further support the overall design.

Ventilation is enhanced through horizontal slots in the modules that allow for natural air circulation. This design harnesses ocean breezes, contributing to thermal comfort within the living spaces. The result is a focused effort to create a functional environment that reflects the culture of the community while addressing immediate housing needs.

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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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