Hybrid-Steel, Geothermal Mid-Rise Tops Off in Cabbagetown South

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Hybrid-Steel, Geothermal Mid-Rise Tops Off in Cabbagetown South

Construction has reached its climax on 252 Parliament Street, a 9-story mixed-use rental residential building designed by Studio JCI for Core Development Group in Toronto's Cabbagetown South neighborhood. Built on a hybrid steel structure, the building also features a geothermal heating and cooling system. The site is a short walk from the future Moss Park station on Ontario Line 3.

Looking southeast across Poulett Street in January 2025, the western facade showed the building had two full floors completed, with the ground floor constructed of reinforced concrete and cold-formed steel (CFS) wall panels, then installed as the third level took shape along the north side. The construction was transferred from the concrete base, consisting of the P1 level, the foundation walls and the floor slab, to the hybrid steel and CFS frame system. The crane was installed in June 2024.

View southeast from Poulett Street looking west, image by Rdaner, UrbanToronto Forum contributor

Seen from across Parliament Street in March 2025, the east facade had reached five floors, with the sixth floor behind a temporary fence. The façade featured black framed glazing with a mix of narrow vertical modules, wider punched openings and louvers installed on the second and third levels. The inside of the sixth floor is lined with an orange tarp.

East view in front of Parliament Street, image by UrbanToronto Forum contributor Rdaner

Looking south along the east facade in June 2025, white GlasRoc weatherproof panels are installed on the first two floors, and yellow DensGlass cladding defines the upper living levels. The ground floor openings remain unglazed and are framed by steel lintels and projecting brackets supporting signage or small canopies along the shop front and residential entrance. A temporary wooden bridge spans the unfinished facade to maintain access to the site while road and landscaping works await future development.

Close-up of the white and yellow weatherproofing materials applied to the structure, image by UrbanToronto forum contributor Skycandy

Looking northwest, as recently as June 2025, the building had reached eight floors, with the crane positioned at the southern end of the site between the east and west arms along the south facade. The Parliament Street facade features setbacks on the fourth, seventh and eighth floors. The glazing was largely in place up to the sixth floor. Temporary wooden fencing and perimeter guards mark the active work at the top of the building.

Looking northwest at the progress of the glazing installation, with the structure standing eight stories tall, image by UrbanToronto Forum contributor Rdaner

After the crane was removed in September 2025, a mast-mounted construction hoist now anchors the southwest corner. The building is rounded, its nine residential floors and the mechanical penthouse are visible through the stepped structure introduced on the upper floors. The upper three levels, including the mechanical penthouse, have an additional layer of waterproofing that seals the moisture-proof sheathing.

A distant view looking northwest of the completed center house with the crane dismantled, image by UrbanToronto Forum contributor GameOnBrad

Looking southwest from the other side of Parliament Street, a lightweight prefabricated façade system covers a continuous membrane that seals the GlasRoc and DensGlass weatherproof seal underneath. East and west arms frame a recessed central bay window fitted with black framed glazing. Lighter prefabricated cladding will be installed on the lower six floors fronting Parliament Street, contrasted by darker prefabricated cladding for the upper floors.

Looking southwest toward the north side, image by UrbanToronto Forum contributor Rascacielo

When completed, the building will be 28.7 m high and contain 80 market-rate rental units.

Looking west at 252 Parliament Street, designed by Studio JCI for Core Development Group

UrbanToronto will continue to monitor the progress of this development, but in the meantime you can learn more in our database file linked below. If you'd like, you can join the discussion in the associated Project Forum thread or leave a comment in the designated area on this page.

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UrbanToronto's research and data service, UTPro, provides comprehensive data on construction projects in the Greater Golden Horseshoe – from proposal to completion. Other services include instant reports, downloadable snapshots based on location, and a daily subscription newsletter, New Development Insider, that tracks projects from the first application.​