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Central Core Housing with Flexible Offset Units

Authors:
Kelvin Chan, Gerlene Barcelon, Jobil Jocson
Central Core Housing with Flexible Offset Units
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The design focuses on central core access and flexible offset units to enhance natural light and ventilation, creating adaptable housing solutions in a high-density urban environment.
5 key facts about this project
01
Central core design facilitates improved resident interaction and accessibility.
02
Unique offset unit arrangement enhances natural light and ventilation.
03
Modular housing blocks allow for both vertical and horizontal expansion.
04
High-density urban integration maximizes site utility and service access.
05
Sustainability features support energy efficiency and thermal comfort.

The HORVEX housing project addresses the pressing housing needs in London, focusing on finding practical solutions in a city with limited available space. Located in Inner London, the project aims to offer flexible living environments designed to adapt to various needs and configurations. The overall concept emphasizes modular blocks that can be expanded both upwards and outwards, making efficient use of the urban landscape.

Design Concept

The HORVEX design features compact blocks, each measuring 13.5m by 16.5m. This size allows for configurations that can accommodate at least two and up to four housing units per block. The central access core encourages residents to engage with one another, promoting a sense of community within the building. This layout also enhances the flow of light and air throughout the units.

Extension Capabilities

The arrangement of the blocks allows for both horizontal and vertical expansion. In horizontal layouts, the blocks are offset, which helps to maximize natural light and ventilation for the lower units. This also leaves room for parking, which is an important consideration in urban design. For vertical growth, the uniform layout of utilities simplifies construction and maintenance, making it easier for future developments to be integrated.

Site Context

The chosen sites are Studley Road in Stockwell and a corner at Besson Street and Brian Street. These locations are part of a high-density area in London, making them ideal for this housing solution. The access to existing transport links and amenities will help residents enjoy a better quality of life. Integrating these units into the surrounding urban environment will strengthen community connections.

Energy Efficiency and Sustainability

The project incorporates strategies for energy efficiency and sustainability. Architects have designed the blocks with thermal performance in mind, ensuring that living conditions are comfortable year-round. Special attention is given to features such as balconies and shading, which allow for better ventilation and reduce energy use.

The design’s offset structure contributes to air circulation, which lessens wind loads on the building. This careful planning reflects a commitment to create worthwhile housing options that respond to the realities of urban living. The focus remains on delivering spaces that are not only functional but also enhance the overall living experience for residents.

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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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