Legislative Assembly of Ontario Building
The Legislative Assembly of Ontario is Canada’s foremost example of Richardsonian Romanesque architecture and a building of national significance.
Since 1990, +VG Architects has led a multi-decade conservation program, beginning with a comprehensive Conservation Master Plan and continuing through successive phases of renewal, maintenance, and upgrade.
Initial work focused on large-scale building envelope restoration, including replacement of over an acre of slate and copper roofing, conservation of more than 600 historic wood windows, full mortar replacement, and significant sandstone repair. All work was completed while the building remained fully operational as Ontario’s seat of government, requiring rigorous coordination and strict health and safety protocols.
Subsequent phases expanded to include mechanical and electrical upgrades, foundation conservation, and interior improvements, alongside a structured cyclical review program to guide ongoing maintenance. This proactive approach allows for continuous monitoring and targeted interventions to preserve the building in a state of good repair.
More recent work has focused on masonry, window, and metals conservation, incorporating evolving best practices and lessons learned over time. The program also includes landscape rehabilitation and accessibility and security upgrades, ensuring the site continues to serve both its civic function and heritage value.
LOCATION
Toronto, Ontario
COMPLETED
1995-Present
SIZE
575,000 ft²
SERVICES
Conservation & Various Upgrades
AWARDS
2023 Crafts & Trades Built Heritage Award
(North Coat of Arms Conservation)
Heritage Toronto Awards
1995 Award of Merit
Heritage Toronto Awards
PRESS
Winners Announced for the 2023 Heritage Toronto Awards
Canadian Architect
Heritage Toronto Honours Architectural Excellence at 48th Annual Awards
Urban Toronto
St. Michael's Cathedral Nave Rehabilitation
In September 2016, +VG Architects completed the 5 ½ year rehabilitation of the Nave of St. Michael’s Cathedral. The Nave of the Cathedral is the spiritual centre of the Archdiocese of Toronto, a place of beauty and significance for a thriving and diverse Roman Catholic community.
The project aims to re-establish the integrity of the original 1848 Gothic Revival design vision of architect William Thomas, while completing a complete upgrade of the facility in terms of building performance, accessibility and code requirements. +VG was the lead consultant in a collaborative team consisting of a Construction Manager, sub-consultants, sub-trades, artists and craftspeople who completed the work.
New washrooms, barrier-free accessibility (including new barrier-free elevator), environmental HVAC and lighting controls, fire and life safety, and audio/visual and broadcast capabilities have been integrated into the 165 year old Cathedral, ensuring the client’s changing needs are well served into the future.
Painting of the Cathedral ceiling, hand-carved Gothic Revival white oak millwork and statuary, in-situ historic plaster conservation, installation of intricately patterned stone flooring and wainscoting, conservation of existing stained glass windows, and introduction of new stained glass designs, and a hand built custom pipe organ (“Opus-3907”) are all examples of the work completed. The project was recognized with the William Greer Award for Craftsmanship at the Heritage Toronto awards in 2017.
LOCATION
Toronto, Ontario
COMPLETED
2016
SIZE
18,000 ft²
SERVICES
Renovation & Restoration
AWARDS
2019 Ecclesiastical Insurance Cornerstone Award
National Trust for Canada
2017 Craftsmanship & Conservation Award
(Nave & East Chancel Window)
Heritage Toronto
PRESS
Heritage Toronto hands out 2017 awards at the Carlu
Urban Toronto
Tales from the Crypt
Building Magazine
Toronto Old City Hall
Upon completion in 1899, Toronto’s Old City Hall was the largest civic building in North America and home to government officials for 67 years during a time of intense population growth and municipal changes.
Old City Hall is the most significant building designed by architect E. J. Lennox and is the busiest courthouse in Canada, with over 10,000 people circulating within it every day.
Over the past 20 years, +VG has met the building’s challenges of intense public scrutiny and communicating with multiple stakeholder groups while executing the multi-phased conservation project. The conservation work is guided by an initial Building Condition Assessment and the Cultural Heritage Character Statement for Toronto Old City Hall.
Toronto Old City Hall ongoing work includes numerous ongoing conservation projects and building upgrades which began in 1991. Work has to be carefully scheduled to meet requirements for courtroom scheduling. +VG recently completed work on a $34 million upgrade to the building’s heating and ventilation system, introducing new systems within all spaces of the occupied courthouse, and is currently working on security upgrades at 60 Queen Street West.
LOCATION
Toronto, Ontario
COMPLETED
1991-2015
SIZE
325,000 ft²
SERVICES
Conservation & Various Upgrades
PHOTOGRAPHY
Nicole Konrad (+VG Architects)
AWARDS
2010 North American Copper in Architecture Award
Canadian Copper & Brass Development Association
2005 Architecture & Urban Design Award (Honourable Mention)
City of Toronto
2000 Certificate of Commendation
Heritage Toronto
1996 Certificate of Commendation
Heritage Toronto
Union Station Revitalization Project - Fifth Façade (Roof Replacement)
Union Station, Canada’s busiest transportation hub, is a complex, multi-level interchange integrating regional and local rail, subway, bus, and pedestrian networks.
As part of its broader revitalization, +VG Architects was retained to lead the heritage conservation of the Head House roof—known as the “Fifth Façade” due to its high visibility from surrounding towers.
Working alongside multiple concurrent project teams, +VG undertook a comprehensive condition assessment of the roof, including flat roof areas, copper enclosures, and copper and brass skylights. The project involved detailed investigation, prioritization of repairs, and the development of conservation strategies aligned with Parks Canada’s Standards and Guidelines for the Conservation of Historic Places in Canada. Services included design, documentation, tender support, and contract administration.
The project was executed on a highly constrained urban site, with limited access shared among overlapping construction efforts. Careful coordination and scheduling were essential to maintain progress within an active transportation hub.
As a designated National Historic Site and Heritage Conservation District, the work required approvals across municipal, provincial, and federal levels. The result is a technically rigorous and carefully crafted intervention that preserves the building’s heritage character while ensuring long-term performance. The project received a 2018 North American Copper in Architecture Award.
LOCATION
Toronto, Ontario
DESIGNATED
National Historic Site of Canada
Heritage Railway Station of Canada
Ontario Heritage Act, Part IV
COMPLETED
2019
SERVICES
Conservation
AWARDS
2018 North American Copper in Architecture Award
Copper Development Association (CDA) & the Canadian Copper & Brass Development Association (CCBDA)
PRESS
Winners of the Copper in Architecture Awards
Architect Magazine
Honouring outstanding North American copper projects
Construction Canada Magazine
Old Don Jail (Bridgepoint Health Administration Centre)
The Old Don Jail (c. 1864) is a landmark Renaissance Revival building distinguished by its buff brick and sandstone construction, limestone base, and richly detailed central entrance.
As part of its transformation for Bridgepoint Health, +VG Architects led the conservation and adaptive reuse of this provincially and municipally designated heritage property.
The project reimagines the former correctional facility as a contemporary administrative and community hub, carefully integrating modern “smart building” systems within a highly constrained historic structure. Significant interior and exterior heritage features were preserved and restored, while strategic interventions opened the rigid cellular plan into flexible, light-filled workspaces and gathering areas.
A key component of the work involved collaboration with a wide range of stakeholders, including hospital leadership, heritage authorities, and community groups. +VG prepared comprehensive heritage conservation and interpretation plans, along with detailed documentation to guide the preservation, restoration, and selective salvage of character-defining elements.
Balancing technical performance with heritage integrity, the project demonstrates how thoughtful design can transform a historic institutional building into a vibrant, contemporary environment. The Old Don Jail has received numerous awards, including the Governor General’s Medal in Architecture, recognizing its excellence in adaptive reuse and heritage conservation.
LOCATION
Toronto, Ontario
COMPLETED
2013
SIZE
77,000 ft²
SERVICES
Retrofit/Adaptive Re-Use
AWARDS
2016 Governor General’s Medal in Architecture,
Governor General’s Awards
2016 William Greer Award of Excellence,
Heritage Toronto Awards
2014 Cornerstone Award,
Heritage Canada
2014 Best Commercial or Institutional Building of 2014,
The People’s Choice Awards for Architecture
2014 Paul Oberman Award for Adaptive Reuse & Heritage Restoration,
The People’s Choice Awards for Architecture
2014 Award of Excellence,
Canadian Architect Magazine
2014 “Best of the Best Award”,
Toronto Construction Association
PRESS
Historic Don Jail buffed up, refitted for a new purpose
Globe and Mail
Inside the Don Jail: One of Canada’s most harrowing prisons is about to close
Globe and Mail
David Dunlap Observatory & Administration Building
The David Dunlap Observatory (DDO), a landmark in Richmond Hill and home to Canada’s largest telescope, has been carefully restored by +VG Architects to support its continued role as a centre for public education and cultural engagement.
Originally constructed in the mid-1930s and operated by the University of Toronto until 2008, the Observatory and its Administration Building are significant components of Canada’s scientific heritage.
+VG’s work began with a comprehensive building condition assessment, followed by the restoration of the exterior fabric of both structures. The project focused on conserving key heritage elements while stabilizing and renewing the buildings for long-term use.
The revitalization enhances the Observatory’s presence within the broader park, supporting its evolution into a major public destination for Richmond Hill and the surrounding region. By preserving its architectural character and scientific legacy, the project reinforces the site’s role in interpreting Canada’s contributions to astronomy.
The renewed complex now offers an improved experience for visitors while ensuring the protection of its heritage value for future generations. The project received a 2022 Award of Excellence from the Canadian Association of Heritage Professionals, recognizing its achievement in conservation craftsmanship and construction.
LOCATION
Richmond Hill, Ontario
COMPLETED
2021
SIZE
21,000 ft²
SERVICES
Building Condition Assessment & Renovation
AWARDS
2022 Award of Excellence, Conservation – Materials, Craftsmanship & Construction
Canadian Association of Heritage Professionals (CAHP)
Ontario Court of Justice Toronto
The New Toronto Courthouse is a 17-storey facility that will become the largest courthouse in Ontario, occupying a site with a layered history dating back to the 1840s.
Following the demolition of earlier structures in the 1980s, significant archaeological remains were preserved beneath the site until extensive excavations began in 2016. Led by Infrastructure Ontario, this work uncovered thousands of artifacts and documented the footprints of former buildings, forming the basis for a comprehensive interpretation program.
+VG Architects was retained by EllisDon to lead the heritage approvals process and develop a site-wide interpretation strategy in coordination with Infrastructure Ontario, the Ministry of the Attorney General, and the City of Toronto. The work involved extensive consultation, including engagement with the City’s Heritage Interpretation Working Group, the Ministry’s Indigenous Elders’ Council, and representatives from Six Nations, Huron-Wendat, and the Mississaugas of the Credit First Nation.
With no physical heritage fabric remaining on site, the design approach focused on layered interpretation integrated throughout the public realm. Elements include inlaid bronze markers, exterior interpretive panels, digital installations, artifact displays, and a large-scale commemoration of the former British Methodist Episcopal Church.
The result is a coordinated and immersive strategy that reconnects the site to its history while supporting the civic presence of the new courthouse. The project received a 2024 OAA Design Excellence Award.
LOCATION
Toronto, Ontario
COMPLETED
2022
SIZE
775,000 ft²
SERVICES
Heritage Consulting Services
PHOTOGRAPHY
David Ecclestone (+VG Architects)
PRESS
Ontario Court of Justice Toronto
Bloaag (OAA)
Renzo Piano stacks Toronto courthouse on top of massive atrium
Dezeen
T.O. courthouse integrates several facilities into one sustainable building
Construction Canada
New Courthouse in Toronto brings six courts under one roof
Canadian Architect
Excavation in Full Swing for Ontario Court of Justice
Urban Toronto
New Toronto courthouse will likely look different from others
Toronto Star
St. Michael's Cathedral Exterior Envelope & Tower
Between 2010 and 2017, +VG Architects undertook a comprehensive, phased building envelope conservation program as part of the broader Master Plan for St. Michael’s Cathedral, a landmark 1847 Gothic Revival building in Toronto.
The work addressed all exterior systems, including slate roofing, brick and sandstone masonry, metalwork, wood windows, and structural elements.
Beginning with the West Façade and Tower, the project progressed methodically around the building. Initial investigations included detailed surveying, testing, and analysis to define the scope of conservation. As work advanced, further assessments from scaffolding informed case-by-case decisions for appropriate repair and intervention strategies. Particular care was taken in the conservation of intricate carved sandstone elements, which required fine cleaning, consolidation, and localized repair.
Structural stabilization was a key component, including reinforcement of original timber framing and high-level masonry features such as pinnacles, crosses, and cornice stones. Where necessary, lost or severely deteriorated elements were restored, including portions of the Upper Tower and the reintroduction of historically appropriate slate roofing patterns.
The project required close collaboration with conservators, engineers, and specialized trades to address unforeseen conditions while maintaining rigorous conservation standards. The work aligns with Parks Canada guidelines and has received multiple heritage awards, recognizing its contribution to the long-term preservation of this significant cultural landmark.
LOCATION
Toronto, Ontario
COMPLETED
2017
SIZE
22,400 ft²
SERVICES
Master Planning & Conservation
AWARDS
2019 Ecclesiastical Insurance Cornerstone Award
National Trust for Canada
2017 Craftsmanship & Conservation Award
(Nave & East Chancel Window)
Heritage Toronto
2013 Craftsmanship Award (Honourable Mention)
(West Façade & Tower Conservation)
Heritage Toronto
2007 Craftsmanship Award
Canadian Association of Heritage Professionals (CAHP)






















































