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Sustain Design Architects Inc.


About Us

Please contact Altius directly for all inquiries! 416-516-7772 Altius is an award winning full service architecture, interior design and construction management firm. Spearheading environmental project initiatives Altius has a mandate to provide exceptional buildings with a focus on sustainability and continues to move towards a complete, holistic and collaborative approach to building. The firm subscribes to a team based process from the commencement of design where architects, engineers, consultants, constructors and clients come together to achieve something greater than the sum of their individual parts. Comprehensive involvement in the construction management process allows Altius to execute a high level of precision, craft and control of all details within each project. Aiming to harmonize architecture with the surrounding landscape, the firm designs its projects for minimal impact on the environment. Architectural form emerges from the existing context of each project, as well as the diverse needs of occupants and future generations to come. Expanding its expertise to include modular buildings, Altius partnered with Sustain Design Studio and together have been developing the miniHome, a world leader in ecological, self-contained, mobile modular housing solutions. As with all Altius projects the primary focus is on passive heating and cooling strategies, while the active systems provide supplemental energy when the passive measures are pushed to the limit. Moving forward with extensive experience, the firm has multiple other projects on the boards and several currently under construction. Altius is dedicated to the creation of innovative projects with a commitment to sustainability, designing modern, functional and flexible spaces while providing the highest degree of client service.

Services Provided

Architectural Design, Home Additions, Home Extensions, Home Remodeling, Home Restoration, New Home Construction, Prefab Houses, Project Management, Sustainable Design, Universal Design, 3D Home Design, Remodeling

Areas Served

Toronto, Cottage Country, Ontario


OAA Best Emerging Practice AwardOAA Architectural ExcellenceGreen Toronto: Environmental Award of Excellence – Category Green DesignWoodWorks! Interior Wood Design AwardWoodWorks! Architect Wood Advocate Award

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33 Projects

Big Rideau Lake Cottage

12 photos
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14 Ideabooks

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Contact Sustain Design Architects Inc.
1724 Queen Street
Toronto, Ontario M6R 1B3
Typical Job Cost CAD 1,000,000 - CAD 10,000,000
Most of our projects have a construction cost of $400 per square foot and up. Fees for full design services, from conceptual design through to construction review typically range from 10-15% of total construction cost, depending upon the services provided.