Site Plan Control

18 Louisa Street

• 139Units proposed
• Post ApprovalFile status
• N6C[2778] S455Current zone
• Ward 14 SOMERSETWard

The proposal

The proposal includes the demolition of the cantilevered east-west portion of the existing mixed-use building and construction of a high-rise, mixed-use development that rises from west to east from three (3) to ten (10) storeys to a maximum building height of 31 metres. The tenth storey is significantly recessed and limited exclusively to amenity space and mechanical services. The residential use building is proposed to contain 139 units.

Description from the City of Ottawa's application file.

Applications and milestones

1. Site Plan Control D07-12-21-0102
   Filed Jul 9, 2021 · Agreement Registered - Securities Held (Aug 25, 2025) · City file, plans & studies

Other open applications nearby

• 34 Chamberlain; 44 Chamberlain; 30 Chamberlain; 3… Site Plan Control
• 263 Rochester Street; 249 Rochester Street; 27 Ba… Site Plan Control
• 27 Balsam; 245 Rochester; 249 Rochester; 261 Roch… Official Plan Amendment
• 395 Slater Site Plan Control
• 211 Bronson Ontario Heritage Act
• 75 Breezehill Avenue; 35 Laurel Street Official Plan Amendment

Development applications: City of Ottawa, Development Applications (geoOttawa) and devapps.ottawa.ca. Contains information licensed under the Open Government Licence – City of Ottawa. Unit and storey counts are read from the City's application descriptions and may be incomplete. Zoning: City of Ottawa Zoning By-law 2026-50 and geoOttawa zoning layer. Contains information licensed under the Open Government Licence – City of Ottawa. Not a zoning confirmation; verify with the City before relying on it. Map © OpenStreetMap contributors.