Sweeny&Co Architects

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Female owned

Toronto, ON, Canada


25 Ontario

The site of an art deco heritage building on Adelaide Street East in Toronto’s King East neighbourhood is set to become a high-performance workplace office tower with a stunning multi-storey atrium lobby, a sky room, and premium amenities like outdoor terraces and patios. 25 Ontario Street is a 450,000 s.f., 29 storey office tower that incorporates the heritage façade of an existing two storey art deco building at its base. It is designed to incorporate the latest in high-performance building systems including a raised floor office platform with underfloor air distribution and advanced Smart Building technologies. This building is targeting LEED Gold.

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Status: Unbuilt
Location: Toronto, ON, CA
Firm Role: Architect