• Design-Build-Develop

    As architects, we are interested in achieving the highest level of design.  As builders, we are interested in letting the process of making further enhance the architecture.  As developers we work to maximize the opportunities of each site.  In all aspects we employ strategies that function in multiple levels, to have the greatest impact.  Work with Onion Flats to realize your projects full potential. 

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    "Big Ideas, not Egos"

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  • Back to Basics

    The spirit of Onion Flats has always driven our vision and focus within Plumbob Architects.  Our company’s development and building expertise continues to inform our work and brings this knowledge and experience to our Clients’ projects. The continued desire for greater clarity around who we are as a fully integrated company has us returning to our roots.  Plumbob Architects is now Onion Flats Architecture.  

    "Check out all of our other divisions here"

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    "Same great design without the weight"

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  • JUST COMPLETED!

    Tajdeed (Arabic for renewal) is a 45 unit Affordable House project in the South Kensington.   Located at Cadwallader and Oxford Streets, the development includes three buildings and 60,000 square feet of living space.

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    "TAJDEED IS AN EXAMPLE OF THE CITY’S RESOLVE TO REMOVE BLIGHT AND PROMOTE SUSTAINABILITY."

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  • High Performance

    By focusing on the performance of the envelope you can reduce the Heating & Cooling demand by up to 90%.  With this drastic reduction in energy consumption, it becomes possible to achieve a NET-ZERO building.  From Design, to Construction, to Post Construction Energy Monitoring, we know High-Performance Building.  

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    "Buildings that PRODUCE not consume energy"

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  • BELFIELD IS A WINNER!

    Accolades for world-class architecture in the International Passive House Standard

    A celebration of architecture, the 2014 International Passive House Award demonstrates the great potential and versatility offered by Passive House solutions.  Over 100 projects from 21 countries were submitted for consideration in the 2014 call for entries.  A short list of 21 finalists were further whittled down by the awarding jury ultimately selecting seven winners spread over six categories; five for individual buildings projects and one for Passive House regions.  Belfield was recognized in 2014 as one of the top seven Passive House projects in the world by the Passive House Institute in Darmstadt, Germany.

    PHI Award

    PHIUS Award

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    "Belfield Townhomes challenge the standards of subsidized housing."

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