Toronto Architecture Firm for Custom Homes, Commercial Buildings & Multiplexes Across the GTA

Quadrant Architects is an OAA–licensed Toronto architecture firm trusted throughout the GTA to solve complex zoning challenges, streamline building permits, and design residential, commercial, industrial, and hospitality spaces that work flawlessly and look remarkable.

We navigate Toronto and GTA zoning laws and building codes, so your project moves
forward smoothly and without costly delays

Architectural SERVICES

RESIDENTIAL ARCHITECTS IN TORONTO & THE GTA

DESIGNS THAT ELEVATE EVERYDAY LIFE - HOMES, SUITES, AND ADDITIONS THAT LOOK REMARKABLE AND ARE ENJOYABLE TO LIVE IN EVERY DAY

RESULTS THAT MATTER TO YOU

Clear – We cut through Toronto’s by-laws and show you exactly what your property allows – no guesswork, no surprises.
Compliant – Drawings and permits prepared to satisfy zoning, OBC, heritage, and Committee of Adjustment requirements, so approvals move faster.
Compelling – Designs that elevate everyday life – homes, suites, and additions that look beautiful and function effortlessly

WHAT WE DELIVER

Homes tailored to your lifestyle – custom builds, infills, and full replacements designed around your lot and how you want to live.
More space without moving – additions and renovations that expand living areas while keeping you in the home you love.
Legal rental suites for extra income – laneway, garden, and basement suites designed as compliant, income–ready rentals.
Multiplex conversions that unlock zoning potential – projects that take advantage of Toronto’ updated bylaws to maximize property use.
Heritage renovations with modern value – preserving character while unlocking grants, incentives, and long–term livability

Homes tailored to your lifestyle
More space without moving
Legal rental suites for extra income
Multiplex conversions that unlock zoning potentia
Heritage renovations with modern value

COMMERCIAL ARCHITECTS IN TORONTO & THE GTA

COMMERCIAL SPACES THAT DELIVER MORE — DESIGNED TO OPEN SOONER, ATTRACT TENANTS, AND DELIVER LASTING RETURNS

RESULTS THAT MATTER TO YOU

Clear – Straight answers on approvals, timelines, and budgets- so you can plan with confidence
Compliant – Permit – ready drawings that meet zoning by-laws and Ontario Building Code requirements the first time – accelerating approvals and reducing risk.
Compelling – Retail, office, and mixed-use spaces that attract tenants, welcome customers, and deliver lasting value

WHAT WE DELIVER

Faster retail and office openings – fit-outs designed to get businesses operating sooner and generating revenue faster.
Ground-up builds without delays – layouts planned for compliance, flexibility, and long-term value.
Profitable property transformations – adaptive reuse projects that convert underused spaces into income-producing assets.
Planning approvals – Committee of Adjustment and change-of-use applications prepared and defended for approval success