This 2nd floor addition permit project in Toronto transformed a modest bungalow on Manderley Drive into a spacious two-storey family home. Cadaxx Design handled the full process — from zoning review and architectural design to structural coordination and submission for City of Toronto building permit approval.
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Project Overview
This transformation turned a single-storey home into a bright, spacious residence with new bedrooms and bathrooms above the existing footprint.
Cadaxx handled every step — from measurements and feasibility study to permit submission and construction support.
Key Details
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Location: Manderley Dr, Toronto (Scarborough area)
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Type: Full 2nd floor addition
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Scope: Design, permit drawings, structural coordination
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Status: Permit approved / completed
Contractor: Doering Design and Build
Design & Layout
The new second storey added comfortable bedrooms and a spacious bathroom while maintaining balance with the original house form.
Before preparing the 2nd floor addition permit drawings, our team verified zoning compliance, setbacks, and height limits under Toronto By-law 569-2013.
Highlights
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New floor plan optimized for family living
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Roof design blended with existing structure
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Energy-efficient wall and window assemblies
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Improved stair connection and ceiling heights
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Exterior finishes coordinated to match existing materials
Cadaxx provided 3D visuals and permit-ready plans to help the homeowner envision the final result before construction.
Construction Highlights
Cadaxx continued support throughout construction to ensure drawings matched site conditions.
The result is a solid, code-compliant second floor that adds living space and resale value while maintaining the neighbourhood’s scale.
Completed Project
The 2nd floor addition on Manderley Drive was constructed by Doering Design & Build, with Cadaxx Design overseeing planning and permits.
The build reinforced the existing structure, integrated new framing and finishes, and delivered bright, modern living spaces that blend seamlessly with the original home and surrounding neighborhood.
Toronto Second Floor Addition Process
Cadaxx coordinated the full permit process for a second floor addition in Toronto, from zoning review to City approval.
Steps:
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Site measurement and existing plan documentation
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Zoning and feasibility review
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Design development and client revisions
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Preparation of permit-ready drawings (plans, elevations, details)
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Coordination with structural and HVAC consultants
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Submission to the City of Toronto and examiner response
Our proactive approach ensures smooth approvals and compliance with all Toronto building standards.
Why Homeowners Choose Cadaxx
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Expert in Toronto home additions and permit approvals
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BCIN-licensed and experienced with OBC Part 9
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Clear drawings and coordinated consultant packages
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Fast communication with City reviewers
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Transparent workflow from concept to construction
Why Homeowners Choose Cadaxx
-
Expert in Toronto home additions and permit approvals
-
BCIN-licensed and experienced with OBC Part 9
-
Clear drawings and coordinated consultant packages
-
Fast communication with City reviewers
-
Transparent workflow from concept to construction
FAQs — 2nd Floor Addition Permit in Toronto
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Q1: Do I need a permit to add a second floor in Toronto?
Yes. Any addition that increases height or floor area requires a building permit. Cadaxx prepares and submits the entire package. -
Q2: How tall can a two-storey home be in Toronto?
Most residential zones allow maximum height around 10 m, but Cadaxx confirms exact limits for each lot. -
Q3: How long does permit approval take?
Typically 6–10 weeks for compliant applications. Longer if variance or heritage review is required.
Start Your Toronto Home Addition
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Cadaxx Design helps homeowners with their second floor additions in Toronto, providing complete permit drawings, zoning review, and OBC coordination for fast City approval. Our team managed the full process for this Manderley Dr project, converting a one-storey home into a modern two-level residence. Cadaxx ensures every second floor addition is efficient, compliant, and designed for comfortable family living across Toronto and the GTA.
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Cadaxx Design helps Toronto homeowners expand their homes through well-planned, permit-approved additions.
Contact us to schedule your consultation and get your second-storey addition started.