Building Permits

Family walking with dog down sidewalk

Building permits allow the municipality to protect the interests of both individuals and the community as a whole. By reviewing and approving building permit applications before any work is done, the municipality can ensure that buildings comply with:

  • the Ontario Building Code, which sets standards for the design and construction of buildings to meet objectives such as health, safety, fire protection, accessibility and resource conservation
  • the local zoning bylaw and other planning controls on buildings
  • other applicable legislation, including conservation authority approvals and certain requirements under the Environmental Protection Act.

When Do I Need a Building Permit?

You must obtain a building permit before you:

  • construct any new building over ten square meters in area or place another structure, such as a mobile home, on your property
  • make renovations or repairs or to a building
  • construct an addition onto a building
  • change the use of a building
  • excavate or construct a foundation
  • construct a seasonal building
  • undertake work regarding the installation, alteration, extension or repair of an on-site sewage system
  • undertake work regarding the installation, alteration, extension or repair of any plumbing
  • construct a retaining wall exceeding 1000mm in exposed height
  • construct a sign
  • install a solar collector with a face area equal to or greater than 5 m2 onto a building
  • construct a deck that has a height which exceeds 600mm above finished ground level adjacent to the deck, a building area that exceeds 10m2 or is attached to a building
  • install a wood burning appliance

When a building permit is required, the permit must be issued and in the possession of the Property Owner prior to the start of any construction activity

  • A permit application is available from the Building Division office at Thorold City Hall or here.

For more information

For more information, please see the following Information Packages

Information Brochure

Contact Us

(905)227-6613
contact@thorold.ca

Contact Us

© 2018 The Corporation of the City of Thorold, 3540 Schmon Parkway, PO Box 1044, Thorold ON, L2V 4A7

Hours of Operation: 8:30 a.m. to 4:30 p.m. Monday to Friday

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