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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Adaptive Reuse & Mixed-Use

Whitby Station Gallery

High Line

North Toronto Station

High Line

Bruce County Museum

High Line

National Ballet School of Canada

High Line

415 Eastern Avenue

High Line

Cooper Mansion

High Line

Pinnacle on Adelaide

High Line

85 Laird Drive Former Locomotive Shop

High Line

PAMA Peel Region Art Gallery, Museum & Archives

High Line

Don Jail Governor’s House and Gatehouse

High Line

10-12 Market Street

High Line

Theatre Centre

High Line

Humber College Building G

High Line

60 Harbour Street

High Line

Former Winchester Hall and Hotel

High Line

462 Eastern Avenue

High Line

©2026 GBCA

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