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Natural Light Through Cross-Ventilated Spaces in Sustainable Concrete and Wood Construction

Natural Light Through Cross-Ventilated Spaces in Sustainable Concrete and Wood Construction
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Utilizing cross-ventilated courtyards and a combination of concrete and warm wood finishes, the design creates an environment that maximizes natural light while providing functional residential spaces in Bogotá.
5 key facts about this project
01
Incorporates cross-ventilated courtyards to enhance airflow and natural cooling.
02
Employs locally sourced charred wooden shingles for durability and reduced maintenance.
03
Utilizes cross-laminated timber panels for efficient structural performance and warmth.
04
Features a bent A-frame design that promotes optimal light penetration throughout the spaces.
05
Integrates urban landscaping elements to create a seamless connection between indoors and outdoors.

### Project Overview
**Project Name:** ENTRE LUCES
**Location:** San Felipe neighborhood, Bogotá, Colombia
The design of ENTRE LUCES explores the relationship between light, architecture, and human experience, creating an environment that encourages interaction and connectivity. Situated in an urban context, the project aims to bridge the divide between public and private spaces, reflecting the complexities of daily life in Bogotá.

### Spatial Strategy
The spatial organization focuses on functionality while considering the social dynamics of its occupants. The first floor features communal areas, including a kitchen and dining space that open to a central courtyard. This arrangement promotes interaction through a circular dining layout, while large windows enhance visual connections with the landscaped environment. On the second floor, private quarters are designed for comfort, with strategically placed windows providing natural light and views of the surrounding area, thereby offering a retreat from the urban environment.

### Materiality and Sustainability
Material selection is key to both the aesthetic and functional aspects of the building. Concrete serves as the primary structural material, ensuring durability, while wood features prominently in interior finishes, adding warmth and texture. Glass is utilized in floor-to-ceiling windows to maximize transparency and facilitate natural lighting, contributing to energy efficiency. The integration of natural stone enhances visual contrast and texture. The project emphasizes sustainable design principles through passive solar strategies, optimizing energy consumption and enhancing occupant comfort. The use of courtyards not only improves air circulation and illuminates living areas but also pays homage to traditional Colombian architecture, adapted for contemporary lifestyles.

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The Next House: USA — A Global Call to Reimagine the American Suburb

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Competition organisers

Buildner is launching The Next House: USA, a global architecture competition that challenges architects, designers, and thinkers to reimagine the American suburban home for the 21st century. For decades, the suburban house has symbolized comfort and stability, but today it often reflects excess, isolation, and environmental strain. This competition asks: how can the American home evolve to address climate urgency, economic pressures, and shifting social values?

Participants are tasked with designing a prototype home of no more than 1,500 sq ft (≈140 m²) for a household of two adults and one child. The design should be compact yet generous, adaptable, sustainable, affordable, and replicable across diverse U.S. contexts. More than a design exercise, the competition aims to spark a conversation about how homes can support healthier, smarter, and more connected communities.

The total prize fund is $20,000 USD. The final registration deadline is May 20, 2026, and winners will be announced on September 22, 2026. The Next House: USA invites architects, students, and visionaries worldwide to redefine what the American home means today—and what it should mean tomorrow.

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