GBCA | Architecture Firm | Toronto & Hamilton GBCA | Architecture Firm | Toronto & Hamilton GBCA | Architecture Firm | Toronto & Hamilton

GBCA is a Toronto & Hamilton architecture firm with 50+ years of experience in adaptive reuse, restoration, heritage & technical consulting.

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Restoration

North Toronto Station

High Line

Bruce County Museum

High Line

National Ballet School of Canada

High Line

10 Toronto Street

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Birks Clock Restoration

High Line

415 Eastern Avenue

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Legislative Assembly of Ontario

High Line

Shops of Summerhill

High Line

67 Yonge Street

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Theatre Centre

High Line

401-405 Yonge Street

High Line

Humber College Building G

High Line

Former Winchester Hall and Hotel

High Line

Massey Music Hall

High Line

Mackenzie Hall

High Line

Osgoode Hall

High Line

462 Eastern Avenue

High Line

©2026 GBCA

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