Decks Patios and Balconies

Building without permits can be costly and may force you to do more work than planned, to fix deficiencies. The information on this page will help guide you through your project.

Enclosing an existing deck?

Additions and Enclosures

What permits do I need?

A Development Permit is required when:

  • The proposed deck, patio or balcony will be covered or enclosed.
  • The size of the proposed deck or patio will result in total site coverage of more than 45% of the lot's area (in low density residential areas).
  • The size of the proposed deck or patio will result in total site coverage of more than 65% of the lot's area (in medium density residential areas).
  • The proposed deck, patio or balcony will encroach into established setbacks.

Development Permit Application


A Development Permit must approved before applying for Building and Trade Permits.

Building Permits

Due to safety codes regulations, a Building Permit is required when:

  • The height of the proposed deck is 0.6 meters (24") or higher from grade.
  • Adding a balcony to an existing building.

You may need the following:

Trade Permits

Trade permits may be required if the proposed project involves specific considerations:

  • Electrical Permit: for installing or modifying electrical systems, including moving lights or outlets.
  • Gas Permit: for installing, modifying or adding to any gas system.
  • Plumbing Permit: for installing or modifying plumbing systems or any plumbing equipment.
  • Mechanical Permit: for installing or modifying heating, ventilation or air conditioning (HVAC) systems.

Contractor Zone

Do it yourself

As a homeowner, you are able to get homeowner's permits for limited plumbing, electrical, gas and mechanical work. To apply for any of these homeowner's permits:

  • You must be doing the work yourself
  • You must own and live in the home
  • You must be capable of performing the work in accordance with the Safety Codes Act
  • It must be a single family home (not a condo building, etc.)

Depending on the homeowner's permit you are applying for, other restrictions may apply. 

Homeowner Trade Permits

How to Apply


Apply online

In Person

  1. Determine which application(s) you need. You can then download checklists and forms below to complete them, or come in person to Planning & Development Services and we will assist you.
  2. Have drawings ready, if required (ex: Site plan, elevation plan, floor plan, floor joist and roof truss drawings)
  3. Have utility locate slips: These show the location of underground and overhead utilities, such as gas and cable lines. See Line Locates below.
  4. Bring all these required documents (USB drive preferred) and apply in person at City Planning.

Payment Methods

Online or phone:

  • Visa or Mastercard


  • Debit
  • Cash
  • Cheque
  • Visa or Mastercard


  • Cheque

Fees and Charges

How long will it take to approve permits?

  • Development Permits: Timelines vary based on application type and the impact to the community.
  • Building Permits: Typically less than 6 business days, provided that an approved Development Permit (if required) has been released.

Line Locates

When planning your project, it is important to know where utilities are located on your property. Locates are free of charge but require at least two days notice.

You must provide utility locate slips with a development application.

Line locates


If a Building Permit was required for your project, then you must book a City inspection. At the discretion of the Safety Codes Officer, most projects require rough-in and final inspections, depending on the complexity of the project.

Book Online

Please review this user guide before booking online.

Book by Phone

Phone 403-529-8208 or fax the Inspection Request to 403-502-8036.

What if I am not the property owner?

If you are not the owner of the property, then you must get the owner's consent to apply for any changes.

Owner Consent