DESIGN &
CONSTRUCTION
— INTEGRATED
A constant integration of design with construction — ideas with execution — through more efficient construction management practices, better design, and new and greener technologies.
In collaboration with
Superkul Architect · Shim Sutcliffe Architects · Ian MacDonald Architect · Partisans Projects · AGATHOM Co. · AKB Architects
Partisans Projects
Canvas House
Superkul Architect
North Riverdale House
SELECTED PROJECTS
Construction management and design-build — residential, commercial, and institutional — across Toronto and beyond.
Partisans Projects
Canvas House
New House
Superkul Architect
North Riverdale House
New House
Shim Sutcliffe Architects
Scollard Street
New Building
Shim Sutcliffe Architects
Laneway House
Addition + Restorations
Ian MacDonald Architect
Deer Park
Addition + Complete Reconstruction
AKB / Atelier Kastelic Buffey
Ravine House
New House
Ian MacDonald Architect
Dunvegan Road
Addition + Complete Alterations + Landscape Construction
Connie Braemer Design
South Rosedale House
Complete Reconstruction + Landscape Construction
AGATHOM Co.
Twin Victorian Offices
Complete Reconstruction
Superkul Architect
Pointe Cabin
New Building
“Optimal integration of design with construction: ideas with execution.”
Duffy & Associates provides complete construction management services for every project we take on. We manage projects of diverse scales and across many building types — residential, commercial, and institutional — from complete buildings to detailed renovations. Our work covers the spectrum from feasibility studies to turn-key project delivery.
Duffy & Associates employs green building practices and systems wherever possible. We have certification in the original R-2000 Builders program and integrate LEED-based standards and best practices throughout all of our work.
Awards & Credentials
-
Tarion Registered Builder
Certified under the Tarion New Home Warranty Program
-
Toronto Urban Design Award
Award of Merit — Scollard Street project
-
WoodWorks Award
Pointe Cabin project
-
Best of Houzz 2016
Client Satisfaction
Notable Collaborations
SERVICES
01
Construction Management
Complete construction management services for every project, from feasibility studies through to turn-key delivery.
02
New Houses & Buildings
Custom new residential and commercial buildings, built in close collaboration with your design team.
03
Additions & Alterations
Major additions and complete alterations that extend and elevate existing structures — preserving what matters, transforming what needs it.
04
Restorations
Careful, craft-first restorations that respect the original architecture while meeting contemporary standards.
05
Landscape Construction
Integrated landscape construction as part of the total project — seamlessly coordinated with interiors and architecture.
06
Green Building
R-2000 Builder certification and LEED-based standards woven into every project, not bolted on after.
OUR TEAM
Andrew J. Duffy
Founder, President · B.Arch.
Andrew holds an architecture degree from the University of Toronto and has been involved in the design and construction fields for over 25 years. Together with his architectural education, he has hands-on work experience in all trades. A year in Tuscany working with Broadhead Agnelli Architetti and a local group of masons continues to inform Andrew's work.
Jay Marples
General Manager · BA, HNC Construction Management (UK)
Jay has been with Duffy & Associates since 2015, starting as a lead carpenter, and working his way up the ranks. He trained in the UK in traditional carpentry (joinery) producing millwork, windows and doors, and holds an Advanced Carpentry qualification and certification in Construction Management.
Bart Flegg
Senior Site Supervisor
Bart joined Duffy & Associates from British Columbia. His extensive knowledge in the construction of well-functioning, architecturally focused homes is complemented by result-driven and detail-oriented leadership — bringing projects from conception to polished finality.
Joshua Richardson-Duffy
Technology + Finance · B.Comm. w/ Distinction — Finance & Economics
Joshua graduated from Rotman Commerce with Distinction, specialising in Finance & Economics. He has been with Duffy & Associates for 10 years and has become an indispensable member of the team overseeing data management, information technologies, and reporting processes.
GET IN TOUCH
Phone
416.462.9101Address
10 Simpson AvenueToronto, ON M4K 1A2
Canada