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Commercial Unit Demising Permit

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Commercial Unit Demising Permit

Permit drawings and application support for dividing or combining commercial units, including demising walls, exits, washrooms, accessibility, fire separations, and tenant layout coordination.

Request a Permit QuoteCALL 416-989-8900

Code Compliant & Safe

City Submission & Review Support

Fast, Clear Communication

Do You Need a Permit to Demise a Commercial Unit?

Yes. Dividing or combining commercial units usually requires permit review because it can affect fire separations, exiting, washrooms, accessibility, occupant load, services, and base-building systems.

What Commercial Unit Demising Permit Usually Involves

Unit split/combine review

Demising wall coordination

Exit and code review

Permit drawings

Landlord/city support

Key Requirements for Commercial Unit Demising Permits

Commercial Unit Demising Permit drawing example and review

Existing and proposed unit layout
Fire separation and exiting coordination
Base-building services and landlord requirements
Property information, address, and existing site conditions
Permit-ready drawings prepared to match the scope of work
Applicable Ontario Building Code and municipal zoning review
Coordination with structural, mechanical, or other consultants where the project requires it
Support responding to municipal plan examiner comments after submission

Need help preparing a commercial unit demising permit submission?

Dividing or combining a commercial unit? We can help prepare the demising drawings, code notes, fire separation details, and permit package.

Request a Permit Quote

or call (416) 989-8900

Our Permit Process

Quotation

We review your scope of work and provide a clear quotation.

Site Documentation

On-site measurement and information gathering

Design

We provide a preliminary design approximately 5–10 business days after the site visit, depending on project scope.

Permit Package

Once the design is confirmed, we prepare the permit package for city submission.

City Submission

We submit your application for city review.

Approval & Support

We respond to city comments and support the permit review process.

Drawings & Documents Typically Required

Existing and proposed floor plans

Demising wall details and fire rating notes

Exit and occupant load information

Washroom/accessibility coordination

Mechanical/electrical/plumbing notes where required

Not all drawings listed above are required for every project. We confirm the required drawings based on your project scope, property, municipality, and permit requirements.

Common City Review Issues

Fire-rated demising wall details missing

Exit access or travel distance concerns

Washroom and accessibility questions

Base-building services not coordinated

Landlord authorization missing

What Our Clients Say About Us

4.6/5

Based on 75+ verified reviews

4.9/5

Based on 80+ verified reviews

“From the first point of contact to getting permit approvals, Permit Works was very professional and responsive. They created a frictionless customer experience for what is typically a frustrating and long process to obtain permit approvals from the City of Toronto.”

Robert L
Verified Google Review

"It has been great working with Permit works on multiple projects that I have brought them on for. They are very well organised and fast in their deliverables. As a general contractor I wish most companies were like them. Saveska Construction will continue to use them in the future."

Savinda A
‍Verified Google Review

“Permit Works assisted us with acquiring a permit for our deck modification. The process took some time, but the team was able to successfully secure the permit, and we appreciate their effort throughout the process.”

Kaarlyn L
‍Verified Google Review

Frequently Asked Questions

Start Your Commercial Unit Demising Permit Review

Share your project details with Permit Works and we can help identify the drawings, documents, and permit pathway needed before you submit.

Request a Permit Quote

or call (416) 989-8900