Deadlines

Heritage deadlines in Ontario, next six months

The dates that decide whether a building stays protected: objections and by-laws after a notice of intention to designate, the January 1 removals, and council's window after a development application.

1. October 15, 2026

   • Designating by-law due, or the notice is deemed withdrawn: 71 Claremont Dr, Hamilton
     Council must pass the designating by-law within 120 days of the notice, or the notice is deemed withdrawn. Ontario Heritage Act s. 29(8). Worked out from: counted from the notice published 2026-06-17.
   • Designating by-law due, or the notice is deemed withdrawn: 6 Main St E, Hamilton
     Council must pass the designating by-law within 120 days of the notice, or the notice is deemed withdrawn. Ontario Heritage Act s. 29(8). Worked out from: counted from the notice published 2026-06-17.

2. October 16, 2026

   • Designating by-law due, or the notice is deemed withdrawn: 65 McTague St, Guelph
     Council must pass the designating by-law within 120 days of the notice, or the notice is deemed withdrawn. Ontario Heritage Act s. 29(8). Worked out from: counted from the notice published 2026-06-18.

3. October 19, 2026

   • Council's window to issue a notice of intention to designate ends (application filed): 123 Garratt Blvd, Toronto (approximate)
     After a complete official plan, zoning or subdivision application, council has 90 days to issue a notice of intention to designate a listed property. Ontario Heritage Act s. 29(1.2). Worked out from: Official Plan or zoning by-law amendment 26 205778 NNY 06 OZ filed 2026-07-21; the 90 days run from the municipality's notice that the application is complete, usually a few weeks after filing.

4. October 21, 2026

   • Last day to object to the notice of intention to designate: 35 McTague St, Guelph
     Anyone may object to the council clerk within 30 days of the notice being published. Ontario Heritage Act s. 29(5). Worked out from: counted from the notice published 2026-09-21.
   • Council's window to issue a notice of intention to designate ends (application filed): 736 Bathurst St, Toronto (approximate)
     After a complete official plan, zoning or subdivision application, council has 90 days to issue a notice of intention to designate a listed property. Ontario Heritage Act s. 29(1.2). Worked out from: Official Plan or zoning by-law amendment 26 207766 STE 11 OZ filed 2026-07-23; the 90 days run from the municipality's notice that the application is complete, usually a few weeks after filing.

5. October 27, 2026

   • Designating by-law due, or the notice is deemed withdrawn: 401 King St W, Toronto
     Council must pass the designating by-law within 120 days of the notice, or the notice is deemed withdrawn. Ontario Heritage Act s. 29(8). Worked out from: counted from the notice published 2026-06-29.

6. October 28, 2026

   • Last day to object to the notice of intention to designate: 105-117 Onward Ave, Kitchener (approximate)
     Anyone may object to the council clerk within 30 days of the notice being published. Ontario Heritage Act s. 29(5). Worked out from: counted from the council meeting that approved the notice (2026-09-28); the published notice may be a few days later.

7. November 3, 2026

   • Designating by-law due, or the notice is deemed withdrawn: 215 King St W, Hamilton
     Council must pass the designating by-law within 120 days of the notice, or the notice is deemed withdrawn. Ontario Heritage Act s. 29(8). Worked out from: counted from the notice published 2026-07-06.

8. November 6, 2026

   • Last day to object to the notice of intention to designate: 103 Kenilworth Ave N, Hamilton
     Anyone may object to the council clerk within 30 days of the notice being published. Ontario Heritage Act s. 29(5). Worked out from: counted from the notice published 2026-10-07.
   • Last day to object to the notice of intention to designate: 75 Lakeshore Rd E, Mississauga
     Anyone may object to the council clerk within 30 days of the notice being published. Ontario Heritage Act s. 29(5). Worked out from: counted from the notice published 2026-10-07.

9. November 19, 2026

   • Designating by-law due, or the notice is deemed withdrawn: 817 Mount Pleasant Rd, Toronto
     Council must pass the designating by-law within 120 days of the notice, or the notice is deemed withdrawn. Ontario Heritage Act s. 29(8). Worked out from: counted from the notice published 2026-07-22.
   • Designating by-law due, or the notice is deemed withdrawn: 324 Old Yonge St, Toronto
     Council must pass the designating by-law within 120 days of the notice, or the notice is deemed withdrawn. Ontario Heritage Act s. 29(8). Worked out from: counted from the notice published 2026-07-22.

10. November 20, 2026

    • Designating by-law due, or the notice is deemed withdrawn: 7 Balsarroch Pl, Guelph
      Council must pass the designating by-law within 120 days of the notice, or the notice is deemed withdrawn. Ontario Heritage Act s. 29(8). Worked out from: counted from the notice published 2026-07-23.
    • Designating by-law due, or the notice is deemed withdrawn: 19 Dublin St S, Guelph
      Council must pass the designating by-law within 120 days of the notice, or the notice is deemed withdrawn. Ontario Heritage Act s. 29(8). Worked out from: counted from the notice published 2026-07-23.

11. December 2, 2026

    • Designating by-law due, or the notice is deemed withdrawn: 1 Godfrey's Lane, Mississauga
      Council must pass the designating by-law within 120 days of the notice, or the notice is deemed withdrawn. Ontario Heritage Act s. 29(8). Worked out from: counted from the notice published 2026-08-04.
    • Designating by-law due, or the notice is deemed withdrawn: 20 Thomas St, Mississauga
      Council must pass the designating by-law within 120 days of the notice, or the notice is deemed withdrawn. Ontario Heritage Act s. 29(8). Worked out from: counted from the notice published 2026-08-04.

12. December 4, 2026

    • Designating by-law due, or the notice is deemed withdrawn: 650 Sanatorium Rd, Hamilton
      Council must pass the designating by-law within 120 days of the notice, or the notice is deemed withdrawn. Ontario Heritage Act s. 29(8). Worked out from: counted from the notice published 2026-08-06.
    • Designating by-law due, or the notice is deemed withdrawn: 672 Sanatorium Rd, Hamilton
      Council must pass the designating by-law within 120 days of the notice, or the notice is deemed withdrawn. Ontario Heritage Act s. 29(8). Worked out from: counted from the notice published 2026-08-06.

13. December 17, 2026

    • Council's window to issue a notice of intention to designate ends (application filed): 1 Sumach St, Toronto (approximate)
      After a complete official plan, zoning or subdivision application, council has 90 days to issue a notice of intention to designate a listed property. Ontario Heritage Act s. 29(1.2). Worked out from: Official Plan or zoning by-law amendment 26 239852 STE 13 OZ filed 2026-09-18; the 90 days run from the municipality's notice that the application is complete, usually a few weeks after filing.

14. December 22, 2026

    • Designating by-law due, or the notice is deemed withdrawn: 87 Margaret Ave, Kitchener (approximate)
      Council must pass the designating by-law within 120 days of the notice, or the notice is deemed withdrawn. Ontario Heritage Act s. 29(8). Worked out from: counted from the council meeting that approved the notice (2026-08-24); the published notice may be a few days later.

15. January 1, 2027

    • Listing comes off the municipal register: 330 properties in Brampton
      Listed properties without a notice of intention to designate come off the register. Ontario Heritage Act s. 27(16). Worked out from: listing dates on the municipal register (Bill 23 / Bill 200).
    • Listing comes off the municipal register: 142 properties in Burlington
      Listed properties without a notice of intention to designate come off the register. Ontario Heritage Act s. 27(16). Worked out from: listing dates on the municipal register (Bill 23 / Bill 200).
    • Listing comes off the municipal register: 729 properties in Cambridge
      Listed properties without a notice of intention to designate come off the register. Ontario Heritage Act s. 27(16). Worked out from: listing dates on the municipal register (Bill 23 / Bill 200).
    • Listing comes off the municipal register: 18 properties in Clarington
      Listed properties without a notice of intention to designate come off the register. Ontario Heritage Act s. 27(16). Worked out from: listing dates on the municipal register (Bill 23 / Bill 200).
    • Listing comes off the municipal register: , Collingwood
      Listed properties without a notice of intention to designate come off the register. Ontario Heritage Act s. 27(16). Worked out from: listing dates on the municipal register (Bill 23 / Bill 200).
    • Listing comes off the municipal register: 7 properties in Greater Sudbury
      Listed properties without a notice of intention to designate come off the register. Ontario Heritage Act s. 27(16). Worked out from: listing dates on the municipal register (Bill 23 / Bill 200).
    • Listing comes off the municipal register: 477 properties in Grimsby
      Listed properties without a notice of intention to designate come off the register. Ontario Heritage Act s. 27(16). Worked out from: listing dates on the municipal register (Bill 23 / Bill 200).
    • Listing comes off the municipal register: 1,683 properties in Guelph
      Listed properties without a notice of intention to designate come off the register. Ontario Heritage Act s. 27(16). Worked out from: listing dates on the municipal register (Bill 23 / Bill 200).
    • Listing comes off the municipal register: 2,253 properties in Hamilton
      Listed properties without a notice of intention to designate come off the register. Ontario Heritage Act s. 27(16). Worked out from: listing dates on the municipal register (Bill 23 / Bill 200).
    • Listing comes off the municipal register: 166 properties in Kingston
      Listed properties without a notice of intention to designate come off the register. Ontario Heritage Act s. 27(16). Worked out from: listing dates on the municipal register (Bill 23 / Bill 200).
    • Listing comes off the municipal register: 159 properties in Kitchener
      Listed properties without a notice of intention to designate come off the register. Ontario Heritage Act s. 27(16). Worked out from: listing dates on the municipal register (Bill 23 / Bill 200).
    • Listing comes off the municipal register: 2,179 properties in London
      Listed properties without a notice of intention to designate come off the register. Ontario Heritage Act s. 27(16). Worked out from: listing dates on the municipal register (Bill 23 / Bill 200).
    • Listing comes off the municipal register: 892 properties in Milton
      Listed properties without a notice of intention to designate come off the register. Ontario Heritage Act s. 27(16). Worked out from: listing dates on the municipal register (Bill 23 / Bill 200).
    • Listing comes off the municipal register: 1,321 properties in Mississauga
      Listed properties without a notice of intention to designate come off the register. Ontario Heritage Act s. 27(16). Worked out from: listing dates on the municipal register (Bill 23 / Bill 200).
    • Listing comes off the municipal register: 105 properties in Niagara Falls
      Listed properties without a notice of intention to designate come off the register. Ontario Heritage Act s. 27(16). Worked out from: listing dates on the municipal register (Bill 23 / Bill 200).
    • Listing comes off the municipal register: 161 properties in Niagara-on-the-Lake
      Listed properties without a notice of intention to designate come off the register. Ontario Heritage Act s. 27(16). Worked out from: listing dates on the municipal register (Bill 23 / Bill 200).
    • Listing comes off the municipal register: 195 properties in Oakville
      Listed properties without a notice of intention to designate come off the register. Ontario Heritage Act s. 27(16). Worked out from: listing dates on the municipal register (Bill 23 / Bill 200).
    • Listing comes off the municipal register: 409 properties in Orangeville
      Listed properties without a notice of intention to designate come off the register. Ontario Heritage Act s. 27(16). Worked out from: listing dates on the municipal register (Bill 23 / Bill 200).
    • Listing comes off the municipal register: 184 properties in Prince Edward County
      Listed properties without a notice of intention to designate come off the register. Ontario Heritage Act s. 27(16). Worked out from: listing dates on the municipal register (Bill 23 / Bill 200).
    • Listing comes off the municipal register: 181 properties in St. Catharines
      Listed properties without a notice of intention to designate come off the register. Ontario Heritage Act s. 27(16). Worked out from: listing dates on the municipal register (Bill 23 / Bill 200).
    • Listing comes off the municipal register: 103 properties in St. Marys
      Listed properties without a notice of intention to designate come off the register. Ontario Heritage Act s. 27(16). Worked out from: listing dates on the municipal register (Bill 23 / Bill 200).
    • Listing comes off the municipal register: 3,440 properties in Toronto
      Listed properties without a notice of intention to designate come off the register. Ontario Heritage Act s. 27(16). Worked out from: listing dates on the municipal register (Bill 23 / Bill 200).
    • Listing comes off the municipal register: 909 properties in Windsor
      Listed properties without a notice of intention to designate come off the register. Ontario Heritage Act s. 27(16). Worked out from: listing dates on the municipal register (Bill 23 / Bill 200).

16. January 7, 2027

    • Designating by-law due, or the notice is deemed withdrawn: 41 Norwich St E, Guelph (approximate)
      Council must pass the designating by-law within 120 days of the notice, or the notice is deemed withdrawn. Ontario Heritage Act s. 29(8). Worked out from: counted from the council meeting that approved the notice (2026-09-09); the published notice may be a few days later.

17. January 19, 2027

    • Designating by-law due, or the notice is deemed withdrawn: 35 McTague St, Guelph
      Council must pass the designating by-law within 120 days of the notice, or the notice is deemed withdrawn. Ontario Heritage Act s. 29(8). Worked out from: counted from the notice published 2026-09-21.

18. January 26, 2027

    • Designating by-law due, or the notice is deemed withdrawn: 105-117 Onward Ave, Kitchener (approximate)
      Council must pass the designating by-law within 120 days of the notice, or the notice is deemed withdrawn. Ontario Heritage Act s. 29(8). Worked out from: counted from the council meeting that approved the notice (2026-09-28); the published notice may be a few days later.

19. February 4, 2027

    • Designating by-law due, or the notice is deemed withdrawn: 103 Kenilworth Ave N, Hamilton
      Council must pass the designating by-law within 120 days of the notice, or the notice is deemed withdrawn. Ontario Heritage Act s. 29(8). Worked out from: counted from the notice published 2026-10-07.
    • Designating by-law due, or the notice is deemed withdrawn: 75 Lakeshore Rd E, Mississauga
      Council must pass the designating by-law within 120 days of the notice, or the notice is deemed withdrawn. Ontario Heritage Act s. 29(8). Worked out from: counted from the notice published 2026-10-07.

20. February 12, 2027

    • Listing comes off the municipal register: 2 properties in Hamilton
      Listed properties without a notice of intention to designate come off the register. Ontario Heritage Act s. 27(16). Worked out from: listing dates on the municipal register (Bill 23 / Bill 200).

21. March 26, 2027

    • Listing comes off the municipal register: , Hamilton
      Listed properties without a notice of intention to designate come off the register. Ontario Heritage Act s. 27(16). Worked out from: listing dates on the municipal register (Bill 23 / Bill 200).

Dates come from the notices, agendas, registers and applications we track; a municipality may have acted in a way we haven't seen yet. Not legal advice. Confirm with the municipality.