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Vertical Circulation and Community Spaces Enhanced by Cross Laminated Timber

Author:
Kévin Petitjean
Vertical Circulation and Community Spaces Enhanced by Cross Laminated Timber

Project in-detail

The use of Cross Laminated Timber defines a new approach to urban housing in San Francisco, integrating vertical circulation with community-focused spaces to effectively address local housing needs.
5 key facts about this project
01
Community spaces incorporate planters as railings to enhance urban biodiversity.
02
Centralized utilities optimize service distribution within the building.
03
Prefabricated housing modules adapt to demand and reduce construction time.
04
Vertical circulation areas enhance safety while maintaining aesthetic cohesion.
05
Rooftop garden serves as a communal area for social interaction and relaxation.

The design is located in San Francisco, a city dealing with serious housing challenges, including high rates of homelessness and a pressing demand for affordable housing. The project aims to tackle these urban issues through a modular approach that prioritizes efficiency and sustainability. The overall concept focuses on creating adaptable living spaces while fostering community connections among residents.

Materiality and Structure

The main structure uses Cross Laminated Timber (CLT) as the key building material. It is combined with concrete for the vertical circulation areas. This choice not only provides safety in the event of a fire but also supports the project’s goal of reducing environmental impact by utilizing renewable resources. The selected materials reflect a commitment to both ecological responsibility and practical design.

Community-Focused Design

The layout effectively accommodates more than 400 residents with a variety of housing options. These include ground floor studios and duplex units, ensuring diverse living arrangements for different individuals. The design emphasizes communal areas that help build social ties among residents. Planting areas around the building enhance both aesthetics and urban biodiversity, while also acting as natural barriers within the city.

Internal Organization and Amenities

Inside, the design is organized around a central landing that connects the residential units, promoting interaction among residents. Outdoor spaces are thoughtfully set back from the facade, allowing residents to enjoy their private areas while also engaging with the outside world. Shared amenities, such as a rooftop garden and a public bar, encourage social interaction and create opportunities for community engagement and cultural exchange.

Attention to Detail

Utilities are efficiently centralized in the concrete vertical circulation zones, simplifying the distribution of essential services like electricity and water. This organization enhances the building's functionality while maintaining an appealing environment. The incorporation of flexible spaces encourages various activities, enabling residents to hold community meals, partake in exercise classes, or gather for social events. The careful arrangement of these details results in a design that balances human needs with environmental considerations, emphasizing a connection between people and their surroundings.

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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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