100 Lower Ossington

100 Lower Ossington, located at the corner of Ossington Street and Queen Street West, is a mixed-use building designed and developed to offer 179 new affordable rental housing units as well as an entire city block of retail. Developed by Verdiroc, this new residential complex is located on land leased from the Centre for Addiction and Mental Health (CAMH) and complements a major redevelopment of the CAMH site. The building features a green roof and is 29% more energy efficient than current Building Code requirements.

  • Overview

    Client: Verdiroc Development
    Size: 8 storeys; 179 units
    Completion: 2012
    Our Role: Architecture, Planning, Urban Design
    Expertise: Mid-rise, Ground floor retail, Affordable housing


  • Location
  • Description

    Located at the southwest corner of Queen Street West and the newly created Lower Ossington Street, this 155,000 s.f. mixed-use development was designed to respond to the area’s specific design guidelines. Previously the site of a CAMH’s three-storey administrative building, this new complex includes 179 suites of affordable rental housing and 21,500 s.f. of continuous retail along Queen Street, reinforcing the street’s established retail character. The affordable rental suites include unit types ranging from 1 to 3 bedrooms–designed to meet the barrier-free needs of specific tenants.

  • Context

    The Centre for Addiction and Mental Health initiated a strategic planning process and master plan in 2002 to develop the 27-acre site at 1001 Queen Street West. The project intended to improve client care and operational efficiencies. The key vision of this plan was to transform the campus-like setting into an Urban Village where CAMH functions would be interspersed with typical urban land uses. As a result of this master plan, we were engaged by Verdiroc Developments to design and develop the first none-CAMH building on the campus.

  • Design Approach

    This new development embraces social and economic sustainable visions, and will act as a major anchor for the Urban Village and future development to come. The 7 storeys of residential units are configured in a U shape wrapped around a second floor south-facing courtyard. The design locates the residential entrance on Lower Ossington in order to free up the entire Queen Stree frontage for flexible retail space. Responding to the Architectural Design Guidelines in-place for all CAMH developments, the building is clad primarily in red brick. The residential floors are set back 10 feet from the retail fronts on Queen Street and include a further step back on the top floor. The retail space includes a display window dedicated to community art works.