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Red Brick Residences Enhanced by Biofiltration Systems and Natural Ventilation

Red Brick Residences Enhanced by Biofiltration Systems and Natural Ventilation
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Incorporating locally sourced red brick and an integrated biofiltration system, this residential design emphasizes sustainability and community engagement while providing compact, affordable living spaces.
5 key facts about this project
01
Incorporates a biofiltration water system for efficient irrigation.
02
Utilizes locally sourced red brick and mud plaster for thermal mass.
03
Features passive ventilation through strategically placed windows.
04
Includes modular units designed for flexible living configurations.
05
Employs a spiral staircase to maximize vertical space efficiency.

### Project Overview
Located in the Caírca de Castilla Region of Granada, Nicaragua, the Wind Hill project embodies a modern approach to sustainable residential architecture while engaging with the local environment. Designed by Hans Varela and Jenny Lemus, the intent of Wind Hill is to create affordable housing solutions that reflect a commitment to environmental stewardship and community interaction. The project aims to integrate contemporary building techniques with the architectural vernacular of the region, allowing for both functionality and aesthetic appeal.

### Spatial Configuration
The layout consists of compact residential units, each with a footprint of approximately 25 square meters. Within each unit, the spatial arrangement is strategically designed to enhance both communal and private experiences. Key areas within the units include a social area (11.02 m²), a bathroom (2.34 m²), a storage space (1.11 m²), a bedroom (6.92 m²), and a working area (2.90 m²). Notably, a spiral staircase connects multiple levels, promoting vertical efficiency and ease of movement. This configuration encourages interaction among residents while ensuring individual privacy.

### Materiality and Sustainability
The material selection reflects principles of sustainability and regional context. Key materials include red brick with mud plaster for exterior walls, which provides natural insulation, and structural metal I-columns that support an open, flexible interior. Vinyl sheet roofing and expanded polyethylene ceilings contribute to overall lightness and insulation effectiveness. Additionally, Kingspan roof insulation and PVC gutters enhance energy efficiency and water management. The incorporation of a biofiltration water system further underscores the project’s focus on resource conservation, utilizing recycled water for irrigation. Passive ventilation strategies optimize indoor comfort, capitalizing on local wind patterns and natural light to reduce reliance on mechanical systems.

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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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