Exterior Work

The majority of exterior renovations to character-defining elements of heritage buildings only allow for their restoration, or for alterations aiming to reinstate an original condition.

Required documents for review
(items marked with * are mandatory)

  • *A letter describing the scope of the proposed work;
  • *A letter from the building owner authorizing the permit application, if the request is made by a third party;
  • *A copy of a recent certificate of location, showing the current conditions of the property;
  • *Color photographs of the existing conditions and of samples of all proposed materials;
  • A complete set of drawings illustrating the existing and proposed conditions, scaled and dimensioned;
  • A detailed cost estimate, excluding taxes, provided by a contractor or professional.

Additional documents on existing and projected conditions are required depending on the planned intervention.

Balcony, Guard Rails, Deck and Stairs

  • *A complete set of drawings illustrating the existing and proposed conditions, scaled and dimensioned, showing compliance to Section 9.8. of the Q.C.C. Chapter 1 (NBC 2005) in case of a complete reconstruction;
  • *A dimensioned site plan showing the distances of the structures to all property lines;
  • *Detailed site coverage area calculations of all structures above ground including projections, terraces, landings and stairs.

Waterproofing of foundations and French Drains:

  • *Site plan or a copy of a recent certificate of location showing the area of work;
  • Membrane specifications;
  • Detailed report of the present and proposed condition.


  • *Color photographs of the proposed brick against the existing should it need to be replaced;
  • *A detailed report of the present condition and proposed;
  • A wall section showing the proposed reconstruction, anchoring details and method of sealing the envelope stamped and signed by an architect if the building is a semi-detached or attached single-family dwelling unit, a multi-family dwelling that contains no more than four units, a mercantile occupancy, business occupancy, industrial occupancy or a combination of such dwellings or occupancies that is not more than two storeys and not more than 300 square metres in gross area after the work is completed and has a single basement level (architects act chapter A-21, section 16.1)

This list is a summary. Please note that additional documents or information may be required in order to provide a better understanding of the project and contribute to the request process. (By-Law #1300, article 65, point 14o)

Once you have gathered all the information you can open your file at the Urban Planning Counter in City Hall or open an online application.

  • *The fee for the document analysis is 55$; the cost of the permit is separate.
  • The cost of the permit is calculated from the cost of work.
  • All files must be analyzed by the Urban Planning Department before they are referred to the Planning Advisory Committee and City Council.
  • The applicant will receive a follow-up via email.
  • Your permit will be issued at City hall or sent by email.

Information you need to bring:

  • A detailed construction cost, excluding taxes, as provided by the general contractor (tariffs By-law).
  • All other documentation requested that needs to be deposited prior to the issuance of a permit (ex. RBQ form, a site management document, asbestos report, sidewalk deposit, …).

Applies to all exterior changes to a building or property.

Need help with applying for a permit online? Here is a step-by-step guide