Residential Architect Toronto & Ontario

Homes Designed for the Way You Live

Quadrant Architects designs homes, additions, and suites that fit your lifestyle – while meeting municipal zoning by-laws and Ontario Building Code requirements. From custom houses to multiplex conversions, we guide homeowners through design and approvals with clear plans and fewer surprises.

Every home we design is unique and never reused – tailored to your needs, your site conditions, and the opportunities or restrictions set by zoning.

Licensed by the Ontario Association of Architects (OAA) with full professional liability insurance.

WHAT WE DO

Custom Homes & New Construction

What this means for you: Your property may support more than you think – updated municipal zoning by-laws now allow more options in many Ontario communities.

Additions & Renovations

Second- and third-storey additions for growing families
Rear and side extensions designed to preserve outdoor space
Main floor re-plans for brighter, open layouts
Heritage renovations that respect character while meeting OBC
Basement underpinning to create safe, legal living space

What this means for you:Well-planned additions and renovations expand living space while improving function and comfort.

Rental Units & Multiplex Conversions

What this means for you: Adding a rental unit creates steady income, boosts long-term value, and supports Ontario’s growing housing needs.

Additions & Expansions

What this means for you: Grow your space without shutting down, keeping business continuity intact.

Specialized Residential Services

What this means for you: Specialized design creates homes that are both personal and enduring.

OUR PROCESS

Step 1: Discovery & Analysis: Review your property, zoning, and goals to establish what’s possible. 

Step 2: Design Development: Prepare multiple concepts exploring layouts, massing, and function. 

Step 3: Technical Documentation: Deliver permit-ready drawings coordinated with required consultants. 

Step 4: Permit Management: Submit complete packages to the city, respond to examiner comments, and represent you at Committee of Adjustment when needed. 

Step 5: Construction Support: Provide clarifications during construction to ensure design intent is maintained.

Quick Reference for Residential Projects

Permit timelines vary by project type, municipality, and scope of work.

Variances or Committee of Adjustment hearings can extend review times.

Heritage properties or unique sites may require additional studies or reports.

Why Homeowners Choose Quadrant

Licensed OAA architects with proven experience across Ontario
In-depth knowledge of zoning, heritage rules, and site-specific restrictions
Clear communication and realistic expectations – no surprises
Unique, custom designs created for every client – never reused templates
Support from concept through permits and approvals

Areas We Serve

We provide residential architecture services across Ontario, including: Toronto, North York, Etobicoke, Scarborough, Mississauga, Brampton, Vaughan, Markham, Richmond Hill, Pickering, Ajax, Whitby, Oakville, Burlington – and other municipalities throughout the province, Ontario.

FAQs About Residential Projects in Toronto

Q: Do I need an architect for my home project? 
A: In Ontario, you may design your own house or use a BCIN designer for smaller homes, but larger or more complex projects require an architect. Working with an experienced architect provides peace of mind – we coordinate zoning by-laws, the Ontario Building Code, and approvals, helping you avoid delays and ensuring the design truly fits your needs.

Q: How long do permits take? 
A: Timelines vary depending on project scope, municipality, and season. Applications involving variances generally take longer due to Committee of Adjustment reviews.

Q: What is the Committee of Adjustment? 
A: A public hearing required when variances are needed. We prepare applications, consult with neighbors, and represent you to support approval.

Q: Can I add a laneway or garden suite? 
A: Often yes. Eligibility depends on lot access, setbacks, and servicing. We confirm compliance before beginning design.

Q: Can I convert my property into a multiplex? 
A: Up to four units are now permitted as-of-right in many Ontario municipalities. We confirm zoning compliance before starting design.

Q: Will you work with my contractor? 
A: Yes. We coordinate with your builder and respond to examiner questions to keep projects moving smoothly.

Meet Our Team

Every member of our team has advanced education in architecture and design

What’s Clients Say

I’ve had the great pleasure of collaborating with Studio Quadrant on several projects, interior and architectural design for 3 town house, 4 semi-detached and my own detached house in Ottawa. Studio Quadrant, the driving force behind the firm has a unique way of balancing environmental stewardship, great design, and realistic budgets. They never cease to impress me with their ability to come up with ideas on unique design, weaving them together in beautiful, creative ways. The studio’s attention to detail doesn’t stop at design, they stay with the project through construction and add real value to the process. They made working together enjoyable and brought an intense committed work ethic to the team. I look forward to our next opportunity and highly recommend them to those who are looking for a fresh take on their projects. They will bring ideas to the table that have real meaning.

Studio Quadrant designed my modern, new house in Scarborough Bluffs. The final product is above an beyond expectations! Studio Quadrant was creative, detailed and thorough. They also helped during the committee of adjustment process, and the result was more than my expectation. Studio Quadrant designs were very creative and responded directly to my needs. and I would highly recommend them to others looking for both commercial and residential architecture and interior services, and I would pass their information on to friends and family without hesitation.

We were particularly excited about the creative solutions from Farzad, which were always developed anew on the basis of our ideas. Right the first planning distinguished itself by an excellent and individual design. The various 3D display variants always gave us a very detailed feeling for the planned living space. The adjustment and coordination during the planning process was always a pleasure – despite the distance (from Germany), we experienced simplicity here. The matching, consulting, and tuning of the plans was possible any time and was characterized by a high level of engagement and absolute flexibility. Thank You Farzad!!