266 Adelaide St W

Row housing, 266-270

DesignatedToronto, Ontario · Register as of September 1, 2026

Is it a heritage property?

Yes. 266 Adelaide St W, Toronto is designated under the Ontario Heritage Act, Part IV (as an individual property).

Designation is the strongest protection under the Act and is not affected by the January 1, 2027 deadline. Source: City of Toronto — Heritage Register, as of September 1, 2026.

At a glance

Year built: 1892
Architect or builder: Brown, Robert
Building height: about 14 m at its highest point (City of Toronto 3D massing)
Lot area: 124 m²
Neighbourhood: Wellington Place
Heritage neighbours: 29 other heritage properties within 100 m
Designation: Part IV (individual property)
By-law: 597-82 / 1241-2017
Ward: Ward 10 Spadina-Fort York
Location: Matched to the municipal address

Row housing, 266-270; 1892, Robert Brown, bldr. -adopted by City Council on April 23, 1981 DESIGNATION BY-LAW PASSED BY CITY COUNCIL on Sept. 23, 1982. Also part of the King-Spadina Heritage Conservation District, enacted by Ontario Land Tribunal decisiDescription, from City of Toronto — Heritage Register

Building details from the municipality's register unless marked otherwise.

Condition on the ground

No condition reports yet.

A vacant or neglected heritage building can be reported to the municipality's property standards or by-law office (311 in most cities). Photos must be taken from public property and must not show people.

Community collection

No historic photos, documents or recollections yet. Do you have one?

Development applications

Official Plan or zoning by-law amendment · filed December 17, 2021 · Council ApprovedAbout 18 m away, at 254 Adelaide St W (the application covers 2 addresses) · 21 249716 STE 10 OZZoning by-law amendment application to facilitate the redevelopment of the site with a 61-storey, 188.3 metre tall (196.8 metres including the mechanical penthouse) mixed-use building. A total of 813 dwelling units are proposed along with ground floor retail, a community agency…Application details
Plan of condominium · filed January 25, 2021 · ClosedAbout 50 m away, at 283 Adelaide St W · 21 108623 STE 10 CDDraft Plan of Condominium for 373 residential units.Application details
Site plan approval · filed October 11, 2013 · ClosedAbout 50 m away, at 283 Adelaide St W · 13 250158 STE 20 SAProposal for a 48 storey tower, revised December 1, 2016. The building contains retail at grade with 167 square metres of non residential gross floor area and 29,161 square metres of residential gross floor area. The building will contain 366 residential units above and 136…Application details

From municipal open data (Open Government Licence – Toronto). An application is a proposal; it doesn't change the property's heritage status. Nearby means within 50 m.

History on this site

October 5, 2026First recorded as designated

Other heritage properties on this street

Source: City of Toronto — Heritage Register, as of September 1, 2026.

Contains information licensed under the Open Government Licence – Toronto.

Not legal advice. Confirm status with the municipality.