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Dual Facade and Rainwater Harvesting Define a Sustainable Urban Hub

Dual Facade and Rainwater Harvesting Define a Sustainable Urban Hub
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The integration of a dual facade with rainwater harvesting systems enhances sustainability while transforming Ramsis Square into a multifunctional urban hub serving diverse community needs.
5 key facts about this project
01
Incorporates a dual facade to enhance energy efficiency and acoustic performance.
02
Features rainwater harvesting systems for sustainable water management.
03
Integrates traditional brickwork with modern glass and steel elements.
04
Includes a strategically located microbus station for improved transit access.
05
Design prioritizes adaptable spaces to accommodate evolving community needs.

### Project Overview

Cairo Nexus aims to revitalize Ramsis Square, a pivotal location in downtown Cairo, Egypt, by establishing a multifunctional urban hub that caters to local communities and tourists. The design is rooted in sustainable practices and cultural context, addressing existing urban challenges while enhancing the historical significance of the site. The project integrates various functions, including transportation systems, cultural spaces, and green areas, thereby reimagining Ramsis Square as a dynamic urban center.

### Zoning Strategy and Spatial Organization

The design employs a comprehensive zoning strategy that accommodates the diverse functions required for an urban hub. Key zones include commercial spaces dedicated to retail and office activities, public areas featuring green spaces and plazas for social interaction, and transportation hubs that ensure efficient connectivity for buses and pedestrian pathways. A central open plaza serves as the core of the design layout, facilitating movement and promoting community engagement.

### Materiality and Sustainability Measures

The project utilizes a range of materials that blend contemporary architectural practices with sensitivity to historical context. Key materials include concrete for structural components, brick reflecting local craftsmanship, glass for facade elements enhancing transparency, and steel for flexible frameworks. Sustainable practices are integral to the design, incorporating recycled materials and implementing rainwater harvesting systems for efficient water management. The inclusion of a double skin facade improves energy efficiency and sound insulation, reinforcing the project’s commitment to sustainability.

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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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