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Building Permits

Building Department Email:

Prior to any construction, please contact the municipal office and obtain an application to apply for a permit, OR advise your contractor that permits are required.
You may obtain a Building Application Form for ACW Township here, however permits must be returned with an original signature by fax, in person or via mail.

*Please refer to the General Provisions Section 3.4 of the By-Law 32-2008|Comprehensive Zoning for the Township of Ashfield-Colborne-Wawanosh to determine where the building or structure may be erected.

Please be advised that any construction that is started without first obtaining a building permit will be charged three times the cost of the permit fee.

When is a Building Permit Required?

The Ontario Building Code is a Provincial regulation that is enforced and administered by the Building Department of the Township of Ashfield-Colborne-Wawanosh. The Ontario Building Code pertains to the structural, health, and fire safety of buildings and ensures construction meets or exceeds a specific minimum standard. Whether or not you need a building permit, you should consult with the building department to ensure your proposal complies with the Township’s zoning bylaw.

You will need a building permit for:

  • Construction of a new building
  • Renovating an existing building
  • Additions to existing buildings
  • Finishing off a basement
  • Re-insulating walls when exterior or interior cladding has been removed
  • Making structural alterations to window and / or door openings
  • A new attached or detached garage, porch, balcony or deck, carports, sunrooms, solariums, sheds
  • Excavating a basement or constructing a foundation
  • Installation of new fireplaces, wood burning stoves, chimneys
  • Farm buildings and additions, silos, steel grain bins, liquid manure tanks,
  • Swimming pools, above and in ground
  • Renovations and alterations
  • Changing the use of a building
  • Demolition of a building, except for farm buildings
  • Wind turbines

You do not need a building permit to:

  • Replace existing same sized doors and windows
  • Installing siding
  • Construct a utility shed under 107 square feet (See noted asterisk above)
  • Erect a fence (except for swimming pools, also must meet zoning provisions)
  • Re-shingle a roof with no structural work
  • Installing eaves trough, provided the drainage is on your land
  • Painting or decorating
  • Kitchen or bathroom cabinets


  • Huron County Health Unit, Sewage and Plumbing: (519) 482-3416 – Larry Fulton
  • Huron County Health Unit, Plumbing: (519) 482-3416 – Rob Breicken
  • Maitland Valley Conservation Authority: (519) 335-3557 – Brandi Walter
  • Electrical Safety Authority, Electrical Inspector: (519) 274-3251 – Brian Bromley

Carol Leeming, our Township Planner is in the office frequently. Please contact the municipal office if you would like to set up an appointment to meet with her.

Click here to view the Building By-Law >