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Permit guideMiltonHeritageHeritage Permits

Heritage permits

If you own a designated heritage property and wish to change or alter the property, you must apply for a heritage permit under the Ontario Heritage Act.

From Milton’s own pages, checked Oct 2026.

The municipality lists what to submit. CodeEase shows what the building code asks of it. See CodeEase →

  1. Check whether you need a permit

    • If you own a designated heritage property and wish to change or alter the property, you must apply for a heritage permit under the Ontario Heritage Act.
    • Designation does not prevent you from maintaining or repairing the property, provided the work does not alter its heritage attributes.
    • If you own a listed heritage property, you do not need to obtain a heritage permit for alterations or additions.
    • Adding to a building or accessory structure
    • Replacing or changing windows or doors
    • Removing or installing decks, fences, porches, verandas, canopies, gates, trellises, arbours, gazebos, or chimneys
    • Changing trim, roofing, or cladding
    • Painting the exterior
    When a heritage permit is not required

    You generally do not need a heritage permit for:

    • Routine maintenance and minor repairs that do not change the exterior of the building, accessory structures, or landscaping
    • Re-roofing using similar materials and colour
    • Repairing or replacing eavestroughs and downspouts, unless they are ornamental or integral to the building's heritage appearance
    • Repointing brick
    • Repairing chimneys

  2. Find out whether your property is listed or designated

    • Properties on the Heritage Register may be listed or designated under the Ontario Heritage Act.
    • Municipal heritage register
    • These resources can help you determine whether a property is listed or designated and provide information about its heritage significance.
  3. Only if you are proposing to demolish buildings or structures listed on the Heritage Register

    Demolition of a heritage property

    • Proposals to demolish buildings or structures listed on the Heritage Register are subject to review.
    • To fully understand the potential impact of the demolition, the Town will typically require a heritage impact assessment in accordance with the established terms of reference.
    • If you are planning to demolish a listed heritage property, you must provide Council with 60 days' notice before demolition. This process may be initiated through a demolition permit application.

  4. Before you apply

    • Before submitting an application, contact Development Services staff for advice on how to preserve the heritage value of your property.

  5. Prepare your plans0 of 3

    Before applying for a heritage permit, gather:

    You need an account to see these 3 items.It’s free. Use Sign in at the top of the page to create one, then tick the items off on any device and print them as a checklist.

  6. Complete the form1

  7. Submit your application

    Submit your completed application package, including all supporting documents, to:

    • Town of Milton - Development Services
    • 150 Mary St. Milton, ON L9T 6Z5

Written from Milton’s own pages as published on 23 October 2026. The municipality decides what a permit needs: confirm with it before you apply. Legal notice

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