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Permit

Additional Dwelling


Before making your request, please note :

  • Applications are analyzed in order of receipt; 
  • The analysis of the application, as well as the countdown to the 60-day deadline, begins only when the submitted application is declared valid and complete by the municipal officer; 
  • An application received without the required documents and/or information will be declared incomplete and refused;
  • *** Please read Article 2.4.4 at https://www.chelsea.ca/application/files/7617/1415/2648/07_1287-23_modifiant_1215-22_compressed.pdf"
  • *** Please note that the stairs and mechanical room are not included in the total area of the dwelling.  
  • *** Please note that the total area of the dwelling is calculated within the walls.
  • *** Please note that Article 2.4.4 was amended in October 2024.

Applicant identification

Location of work

Are you the owner?

IMPORTANT: if you are not the owner, please attach a signed power of attorney from the owner(s) to the "Document Filing" section. PROCURATION.pdf

Identification of the company carrying out the work

Work information

number of bedrooms

Description of work

What you need to know before obtaining this permit

Underground water catchment

  • The cost of the permit is $110
  • A $325 compliance bond is also required


  • Work must begin within six (6) months of issuance of building permit.
  • If natural environments are present, a professional firm must survey them and identify the delimitation of the natural high-water line on the site. This, in turn, will be surveyed by the land surveyor and recorded on the site plan.

List of documents to be provided

  • Copy of the site plan drawn to the required scale. The site plan will show:

    • Location of the proposed catchment work, the building, septic tank, and tile field;

    • Location of septic installations on neighbouring lots;

    • Direction of flow of surface water run-off;

    • Location of waterways, natural high water mark, flood plains, and wetlands (if applicable)


    In the case of a project aimed at replacing an existing catchment work, the applicant can produce their own layout plan by using the site plan for the said property.

    In the case of a vacant lot, the septic installation report prepared by a consultant can serve as the layout plan.

    Any amendment to the layout plan must be approved by the Municipality BEFORE commencing work.

Drop files here or click to upload them.

Documents to provide 30 days after completion of work

None.

By clicking on "Complete my application" :

  • I confirm that the information provided in this form is true;
  • I agree that the Municipality of Chelsea may use the information provided on this form to contact me;
  • I understand that the information provided on this form will be forwarded to all municipal departments concerned;
  • I understand that the Municipality may carry out discretionary inspections before or after the work;
  • I understand that if the permit is granted, I will be required to comply with the conditions of the permit as well as the provisions of any other law or regulation that may apply.
  • I confirm the accuracy of the information contained in this application. I consent to this action having the value of a digital signature.