You need to complete and submit a building permit application in order to renovate a structure on your property. This includes additions, repairs or other alterations.


To renovate existing spaces in all classes, fees are based on estimated construction value. It costs $150 as a base rate plus the following additional fees as necessary:

  • $1.19 per square foot for residential dwellings and additions
  • $0.36 per square foot of unfinished basement or crawlspace
  • $0.74 per square foot of finished basement or crawlspace
  • $0.36 per square foot for docks and decks
  • $0.46 per square foot for an accessory building, such as a shed or garage

A fee of $10.00 per fixture will apply for any new or modified plumbing fixture.

Fees are indexed on January 1 of each year.

Building permit checklist

Please include the following information with your application:

  • Schedule 1
  • site plan (view a sample site plan)
  • construction drawings (two paper copies, full size and to scale)
  • digital construction drawings
  • letter of authorization, if applicable
  • HVAC (includes heat loss/gain, layout, calculations), if applicable
  • energy efficiency design summary, if applicable
  • sewage system design specifications, if applicable
  • sewage system plan view, if applicable
  • Schedule 2, if applicable
  • any applicable approvals (Ministry of Transportation, Ministry of Natural Resources and Forestry, Trent-Severn Waterway)