I am writing in support of the proposed removal of minimum lot size requirements. This change aligns Toronto with other forward-thinking jurisdictions that have already modernized their zoning frameworks to enable more flexible, context-appropriate development.
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Please find attached Conservation Ontario's coordinated comments on two Environmental Registry proposals:
1. Consultation on Minimum Lot Sizes (ERO 025-1100); and,
2. Consultation on Enhanced Development Standards – Lot Level (outside of buildings) (ERO 025-1101).
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Please accept the attached from the Greater Ottawa Home Builders’ Association (GOHBA) and its members as its submission to the government’s request for feedback on Consultation on Minimum Lot Sizes (ERO 025-1100).
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1) Staff are generally unsupportive of this change as Markham has already undergone review of various lot fabric situations in the City, establishing lot minimums that address former post development issues that the City has encountered.
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November 21, 2025
Ministry of Municipal Affairs and Housing
College Park, 777 Bay St, 14th Floor
Toronto, ON
M7A 2J3
To Whom It May Concern:
Peel Region appreciates the opportunity to comment on the proposed consultation on
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Minimum Lot Sizes on Urban Residential Properties in Ontario:
As we get a lot of snow in Eastern Ontario, please keep in mind snow storage on Minimum Lot Sizes. It can become a health and safety issue when large snowbanks block sightlines.
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November 21, 2025
Provincial Planning Branch
Ministry of Municipal Affairs and Housing
13th Floor, 777 Bay Street
Toronto, ON M7A 2J3
RE: ERO Notice #025-1100 - Consultation on Minimum Lot Sizes
To Whom It May Concern:
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On behalf of the Ontario Federation of Agriculture (OFA), please find attached our submission with respect to ERO # 025-1100 (Consultation on Minimum Lot Sizes).
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Please find attached submission from the Planning, Development and Building Services Department of the City of Ottawa.
Sincerely,
Anthony Chiarello
Strategic Programs and Project Officer | Agent, programmes et projets strategiques
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Dear Minister Flack,
On behalf of Middlesex County Council, I am writing to provide comments on behalf of the County of Middlesex on the following consultations published on the Environmental Registry of Ontario (ERO):
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Attached please find City of Hamilton Staff Comments in response to the above noted ERO posting. Hamilton Planning Committee and City Council will be reviewing these comments at their January 13, 2026, and January 21, 2026, meetings.
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The City of Kawartha Lakes' full comments are attached. The key points:
- It's not clear what is being proposed. Is the province considering prohibiting minimum lot sizes? Or imposing a minimum?
- Our minimum lot sizes are in a range to ensure appropriate servicing can be achieved.
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November 21, 2025 Ministry…
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