The urban landscape of Plateau-Mont-Royal is beginning a historic transformation this winter of 2026.

With the new regulations coming into effect, the iconic Van Horne Warehouse is starting its evolution into a cutting-edge mixed-use complex.

Balancing the preservation of industrial heritage with architectural boldness, this revitalization project promises to redefine the economic and social dynamics of the area.

The imposing concrete silhouette that has marked the Mile End and Plateau skyline for decades is about to enter its most ambitious chapter.

As 2026 begins, the Van Horne Warehouse transformation project is moving from the drawing board to a regulatory and operational reality.

A Mixed Vision: Work and Neighborhood Life

The core of the project rests on a strategic duality.

On one hand, the rehabilitation of the historic building; on the other, the construction of a new four-story building at 55 Van Horne Avenue.

The latter will lead the local economic recovery, offering "Class A" office spaces designed for the creative and technological industries that Montreal is famous for.

In reality, 1 and 55 Van Horne Avenue are not two distinct projects, but rather two components of a single architectural complex.

1. Geographical and Conceptual Unity

The transformation project, led by the Rester Management group, encompasses the entire block located between the Van Horne-Rosemont overpass and the railway tracks.

• 1 Van Horne Avenue: The address of the seven-story historic warehouse (built in 1924). It is the iconic building visible from afar with its water tower. Its transformation focuses on heritage conservation (hotel, artist studios, rooftop greenhouse).

• 55 Van Horne Avenue: The adjacent lot to the west.

This is the site of the new four-story building discussed in this publication. It "completes" the warehouse to form a coherent whole.

2. The "New" Serving the "Old"

The relationship between the two is symbiotic. The building at 55 Van Horne was designed to handle the modern functions that the historic warehouse could not support without compromising its structure:

• Parking: The 50 underground parking spaces required by regulation are located under 55 Van Horne, avoiding the need to dig under the massive foundations of the century-old building.

• Modern Offices: While No. 1 will house artist studios and a hotel (fragmented uses), No. 55 offers contemporary open-concept office floors tailored to the needs of tech companies.

3. A Bridge Between Past and Future

Architecturally, the two buildings will be physically linked.

The design of 55 Van Horne was conceived to respect the alignment and materials of the original warehouse, creating visual continuity along the avenue.

 In short, if 1 Van Horne is the heritage soul of the project, 55 Van Horne is its modern functional and economic engine.

Together, they form what the borough now calls the "Van Horne Complex."

The transformation of the Van Horne Warehouse symbolizes a Montreal that refuses to choose between its industrial past and its technological future.

 In winter 2026, it is not just concrete being poured; it is the future of a neighborhood being solidified.

The Architectural Connection

The challenge for the architects (Atelier Zébulon Perron and Thomas Baland) is to have a 1924 concrete giant coexist with a 2026 structure without one overpowering the other.

• Materiality: 55 Van Horne will not try to imitate the brick or massive concrete of the original warehouse. It will use a metallic mesh or lighter glass structures. The idea is to create contrast: No. 1 is the historic anchor (heavy, opaque), while No. 55 is the contemporary extension (transparent, dynamic).

• The Connecting Atrium: A key element is the glass atrium serving as a junction point. It will act as a bright link physically connecting the two buildings, allowing movement between modern offices and artist studios without going outside.

• Visual Continuity: Although No. 55 is lower (4 stories vs. 7), its horizontal lines will echo the warehouse's cornices to ensure visual harmony along the avenue.

Project Timeline (Winter 2026)

The overall project is moving in "fast-track" mode since the favorable OCPM opinion in January 2026.

Economic Impact

While the rehabilitation of the historic warehouse at No. 1 often captures the spotlight, the immediate economic future of the sector is being played out at 55 Van Horne. This new building will act as the service and office nerve center of the complex.

• Investment: The global budget is estimated at over $145 million, split between heritage upgrades and new sustainable construction.

• Job Creation: The construction phase should generate approximately 350 direct jobs, while the new office spaces can accommodate up to 1,200 workers daily.

• Increased Footfall: Market studies predict a 25% increase in pedestrian traffic on this axis, stimulating local business revenue.

Social Impact

The most innovative aspect remains the citizen consultation model. Unlike traditional "top-down" developments, the developers, in collaboration with the borough, integrated resident recommendations:

• Mixed Use: Affordable housing units are integrated to counter gentrification.

• Local Services: Retail space is reserved for essential services (specialty groceries, clinics, or daycares) identified as lacking by the community.

• Economic Support: The presence of tech companies in No. 55 will help finance the maintenance of community spaces and artist studios in the neighboring building.

"It’s no longer just a warehouse; it’s an urban hinge that will finally link the north and south of the neighborhood through real social and economic diversity."

If the overpass and the No. 1 warehouse are symbols of heritage, 55 Van Horne is the project that makes the whole endeavor viable.

Without its modern offices and parking, the global project could not meet Montreal’s density and service requirements for 2026.