Gazebos or roofed structures

Follow these steps to plan your interior renovation project, apply for a permit and book inspections.

This page is for Gazebos or roofed structures.

Tip: print this page and use it as a checklist.


On this page:

  1. Plan your project
  2. Check if you need a permit
  3. Confirm who can prepare your drawings
  4. Prepare your drawings
  5. Prepare your forms
  6. Check fees
  7. Apply online
  8. Wait for review
  9. Get and display your permit
  10. Book inspections
  11. Contact us

1. Plan your project

Before you start, review these steps and gather key details about your project:

  • size and location
  • materials you’ll use
  • any features like stairs or railings

2. Check if you need a permit

You typically need a building permit for gazebos or roofed structures if they are over 10m².

A Pergola is a structure with no roof, only joists (or slats). If you are adding a roof to a pergola, it becomes a roofed structure and may require a building permit.


3. Confirm who can prepare your drawings

Depending on your structure, drawings can be prepared by:

  • home owners - for their own house
  • Anyone - for structures 55m² or smaller
  • Architect, Engineer, or BCIN-qualified designer

4. Prepare your drawings

All drawings must be to scale and dated.

Site plan including:

  • lot size
  • location of existing buildings 
  • location of roof/gazebo
  • distances to property lines

Foundation plan that includes:

  • material and depth
  • helical pile locations if applicable

Floor plans that include:

  • post sizes
  • beam sizes
  • collar tie size (if applicable)
  • roof sheathing
  • roofing material
  • post to beam connection
  • Roof rafter size, ceiling joist size, ridge board size, and spacings
  • Roof joist size, ridge beam size, and spacings

Elevations including:

  • height
  • connection details
  • post sizes
  • beam sizes
  • collar tie size (if applicable)
  • roof sheathing
  • roofing material
  • post to beam connection
  • foundation information

Cross sections including:

  • post sizes
  • beam sizes
  • collar tie size (if applicable)
  • roof sheathing
  • roofing material
  • post to beam connection
  • foundation information
  • roof rafter size, ceiling joist size, ridge board size, and spacing, or
  • roof joist size, ridge beam size, and spacing

Truss layout – sealed by a professional engineer if proposed.

Helical pile layout – sealed by a professional engineer if proposed.

Note: If Roof/Gazebo is fabricated by any material not outlined in the Ontario Building Code, Engineered drawings will be required.


5. Prepare your forms

Complete the forms that apply to your project.

Contact us if you’re not sure which forms you need.

Upload these forms with your building permit application (unless they don't apply to your project):

Bring these completed forms to the service counter on the 2nd floor of City Hall:


6. Check permit fees

Permit fees depend on your project. HST does not apply.

  • roof fee: $118

Pay when you apply:

  • online – credit card only
  • in person – cash, debit or cheque payable to City of Waterloo

We’ll start reviewing your application once payment is received.


7. Apply online

Submit your application through the building permit portal.

Upload your drawings and forms when you apply.

Apply for a building permit


8. Wait for review

The typical time to review an application is 10 business days.

We may ask for more information before approval.


9. Get and display your permit

Once approved, your permit package will be available on the portal.

We’ll email you instructions on how to access it.

Print the full package and keep it visible at the work site.


10. Book inspections

Under the Ontario Building Code Act, you must book inspections before the work is covered.

Find the required inspections listed on your building permit under "Mandatory Inspections".

Book inspections through the building portal (find it on the left menu):

  • the earliest you can book an inspection is the next business day
  • you'll need your permit number

Book an inspection online


Contact us

Call 519-747-8712 or email building@waterloo.ca to book an appointment.