Building Permit Toronto – Design, Drawings & Approvals
Cadaxx Design helps homeowners across Toronto obtain their building permits quickly and efficiently. Our services include measurements, design development, structural coordination, and submission to the City of Toronto for approval. Whether you’re planning a rear addition, second floor, or custom home, we handle every stage of the building permit Toronto process to ensure smooth and code-compliant results.
Our Toronto Building Permit Services
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Home and second-floor additions
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Basement apartments and legal units
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Custom home design and permit drawings
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Committee of Adjustment representation
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Structural and HVAC coordination
Why Choose Cadaxx Design
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With over 1,900 completed projects since 2009, Cadaxx Design has earned a reputation for accuracy, creativity, and fast permit approvals.
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We combine technical precision with modern design, delivering drawings that pass city review the first time.
Start Your Building Permit in Toronto
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Ready to begin? Contact us for a consultation or upload your site photos and scope of work.
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Cadaxx Design will guide you from concept sketches to final building permit Toronto approval.
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Custom Home
Ellis Ave
Located near High Park, this striking modern residence showcases bold geometry and expansive glazing.
Cadaxx Design provided complete design and permit documentation, including zoning review and structural coordination.
The home’s open interior connects seamlessly to outdoor spaces, reflecting a contemporary approach to Toronto infill design within a tight urban site.
Completed 2023
Rear Addition
Lonsmount Dr
This Forest Hill project features a rear addition with upgraded basement walkout and open-concept main floor.
Cadaxx managed zoning review, Committee of Adjustment application, and full permit drawings with structural and HVAC coordination.
Completed 2016
Multi-Unit Apartment Conversion
Glenholme Ave
This multi-unit apartment on Glenholme was designed for efficient land use and full compliance with Toronto’s zoning and multi-unit housing standards. Detailed permit drawings coordinated entrances, fire separations, and shared services, delivering safe, functional rental units within a compact urban footprint.
Completed 2020
Side Addition
Varsity Rd
This side addition in the Varsity area enhances entry flow, provides new storage space, and improves interior functionality. The project included zoning review, permit drawings, and structural layout for new foundation and framing, achieving balanced exterior proportions and increased daylight throughout the home.”
Completed 2020
Multi-Unit Apartment Conversion
Northcliffe Blvd
A contemporary multi-unit home on Northcliffe Blvd in North York. Cadaxx Design prepared the full permit drawings for this conversion, transforming a single-family dwelling into efficient modern suites. The design balances functionality, comfort, and city compliance while maintaining the original streetscape character and enhancing curb appeal with a clean façade.
Completed 2018
Interior Reno
Wright Ave
For this Parkdale home, Cadaxx prepared interior renovation permit drawings addressing layout reconfiguration, structure, and compliance with Toronto building standards.
Completed 2021
Multi-Unit Apartment Conversion
Clouston Ave
This project on Clouston converted an older home into a functional 3-unit building with self-contained suites. Permit drawings addressed OBC compliance for exits, ventilation, and fire separations. The upgraded structure now provides flexible living options, improved interiors, and better energy performance within a mature Toronto neighbourhood.
Completed 2018
Multi-Unit Apartment Conversion
Yore Rd
This project converted an existing home on Yore into a legal 3-unit apartment building meeting Toronto’s multi-unit zoning requirements. The design incorporated separate entrances, fire-rated construction, efficient layouts, and coordinated services, creating comfortable rental units while retaining elements of the original home’s character.
Completed 2019
Wall Removal, Interior
Maria St
Cadaxx prepared complete permit drawings for a load-bearing wall removal on Maria St, transforming the existing layout into an open, spacious main floor. The redesign enhances natural flow, improves daylight, and creates a brighter modern living area within the home.
Completed 2019
Interior Reno
Howland Ave
This project combined a full interior remodeling with a rear deck permit in The Annex, reconfiguring interior spaces and creating seamless backyard access.
Completed 2019