Every year, Doors Open Ontario invites the public to explore some of the most architecturally, culturally, and historically significant buildings in our cities. We’re proud to have contributed to many of the buildings featured in this year’s events.

Toronto

May 25–26, 2025

These featured sites have included our work — from major design contributions to feasibility studies and energy audits:

• Billy Bishop Toronto City Airport

• RevelHouse

• Toronto-Dominion Centre

• Goethe-Institut Toronto

• The Commodore Building (Architects–Alliance)

• Gensler

• Market Gallery (feasibility study)

• 401 Richmond Ltd.

• St. Lawrence Market North

• Osgoode Hall

• Old City Hall

• Toronto City Hall

• OCAD University

• HOK Toronto Design Studio

• The Kite Research Institute

• The Thornton-Smith Building (façade lighting)

• Toronto Metropolitan University, Department of Architectural Science (formerly University of Toronto building)

• MaRS Discovery District

• Daniels Building – 1 Spadina Crescent

• Legislative Assembly of Ontario

• Massey College

• Museum of Contemporary Art Toronto

• Historic Don Jail at Hennick Bridgepoint Hospital

• Trinity–St. Paul’s United Church

• Ubisoft Toronto

• City of Toronto Archives

• Aga Khan Museum

• Q4 Architects Studio

• Meridian Arts Centre

• The Potter’s Studio Inc. (energy audit)

• Toronto Pan Am Sports Centr

Ottawa

June 1–2, 2025

Our experience extends to several landmarks included in Doors Open Ottawa, such as:

• Parliamentary Precinct Rehabilitation

• Rideau Hall

• Rogers TV

• Royal College of Physicians and Surgeons

• Heritage Building and Ottawa City Hall

• CKCU 93.1 FM

• Cancer Research Lab at The Ottawa Hospital

• British High Commission

• Supreme Court of Canada

From heritage sites to cutting-edge facilities, we’re proud to help bring these spaces to life — and even prouder to see them open their doors to the public.