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451 Whitmore Ave, Toronto

Zoning RM

Residential Multiple Dwelling with a site-specific exception.

Height limit: 11 m, 3 storeys

An exception can change what’s allowed here; read it in the by-law before relying on this. Zoning By-law 569-2013

Homes allowed

  • ✅ Up to 4 homes in a house-form building
  • ✅ Plus a garden suite, or a laneway suite if the lot is on a public lane
  • — Sixplexes aren’t allowed as of right in ward 8 yet (only in 9 wards); a variance would be needed

Ward 8, Eglinton-Lawrence. Development charges are waived for multiplexes of up to 6 homes in Toronto.

Limits None mapped

  • Heritage: not on the register
  • Flood and conservation: none mapped

Rulings within 400 m

  • Approved · 4 units incl. a suite · Multiplex · Jan 8, 2026
  • Refused · 4 units incl. a suite · Multiplex · Oct 9, 2025
  • Approved · 4 units incl. a suite · Multiplex · Aug 28, 2025
  • Approved · 3 units · Conversion of a house · May 11, 2023
  • Approved · 4 units · Conversion of a house · Aug 29, 2019

All rulings

Development applications within 500 m

  • 1812 EGLINTON AVE W
    Site Plan · Under Review
  • 680 NORTHCLIFFE BLVD
    Site Plan · Under Review
  • 2451 DUFFERIN ST
    Site Plan · Under Review
  • 655 NORTHCLIFFE BLVD
    Site Plan · Under Review
  • 655 NORTHCLIFFE BLVD
    Official Plan / Zoning By-law Amendment · Appeal Received
  • 2408 DUFFERIN ST
    Official Plan / Zoning By-law Amendment · OMB Appeal

For sale here now

Run the numbers for this lot See it on the planning map

A reading of the City’s public zoning maps, not a zoning opinion or legal advice. Site-specific exceptions, lot size, trees, heritage and servicing decide what a lot can really take: confirm with a zoning review or a planner before you buy. Sources: City of Toronto open data (zoning, wards, heritage register, building permits, Committee of Adjustment), conservation authorities’ open data.

Talk to us about a property

Buying an income property, adding units or building a multiplex? Tell Mehran Salehian about the property and what you have in mind. You’ll get a reply with next steps, and a full feasibility review if the project is worth one.