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Cross-Laminated Timber Structures Enhancing Urban Green Spaces for Affordable Living

Authors:
Collin Thome, Ashley Tillett, Adam Baur, Hunter Swope
Cross-Laminated Timber Structures Enhancing Urban Green Spaces for Affordable Living
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Emphasizing the use of cross-laminated timber and extensive green roofs, this six-story building redefines urban living by creating affordable housing that integrates nature within the heart of San Francisco.
5 key facts about this project
01
Utilizes cross-laminated timber for structural components throughout the building.
02
Incorporates extensive green roofs to combat the urban heat island effect.
03
Offers a diverse range of unit types to accommodate various household sizes.
04
Strategically located near multiple public transport options for easy accessibility.
05
Designed with a strong emphasis on integrating natural light and ventilation.

Franklin Woods is a six-story residential building situated at 98 & 101 Franklin Ave in San Francisco, California. The design seeks to tackle the significant need for affordable housing in the city by replacing asphalt parking lots with a lively community space. The primary focus is on sustainability and social equity, creating a welcoming environment for a diverse range of residents.

Design Concept and Sustainability

The design emphasizes sustainability, particularly in addressing the urban heat island effect that often affects cities with extensive asphalt. The building incorporates vegetation and green roofs, which help lower heat retention and enrich the local ecosystem. This thoughtful integration of green areas not only enhances the living conditions for residents but also contributes positively to the overall environment.

Building Composition

Franklin Woods features a notable south-facing facade that uses large windows to bring in plenty of natural light. This openness gives residents sweeping views and creates a sense of spaciousness within the building. The layout is designed to encourage natural ventilation while ensuring that both common areas and private units benefit from daylight. A strong connection is established between the inside and outside, leading to an improved living experience.

Residential Diversity and Accessibility

A variety of living arrangements are offered, including studio apartments, one and two-bedroom layouts, as well as family-sized units. This range caters to different types of households, promoting a sense of community among diverse residents. The building is also conveniently located near public transport options, allowing residents easy access to amenities, workplaces, and essential services throughout the Bay Area.

Materiality

The project relies on engineered wood materials, specifically cross-laminated timber, for its structural elements like walls and floors. This choice reflects a growing trend in architecture that favors sustainability without sacrificing strength. Steel connections are used to ensure stability and support the overall design, while glass is included in various window styles and railings to enhance the connection between the interior and outside.

The careful design and attention to detail create a cohesive environment where green elements and functional living spaces work together, contributing to the urban landscape of San Francisco.

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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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