Phase IV Heritage: When the past is re-created!

The fourth and final phase of a contemporary project in the heart of the booming Mile-Ex neighbourhood.

To increase your chances of occupying the unit of your choice, register now on our VIP list.

Join VIP list - Phase 4 Heritage

The finishes at Ateliers Castelnau

Discover the various range of finishes and options conceived by our professional designers.

The phase 03

The art of inventing living spaces

In the wake of the success of phase # 01 and phase # 02, phase # 03 of Ateliers Castelnau offers living spaces with views to the interior gardens, huge terraces on the 6th floor and a gymnasium of 1,600 sf.



  • 106 units
  • Units with balcony
  • Extensive quality finish selection
  • Air conditioning
  • Kitchen Appliances included
  • Home automation
Ateliers Esplanade

Rise above the ordinary

Timeless space, relaxation zone, an area in which to escape, dreams are filled with terraces! 

The ones proposed for the Ateliers Esplanade phase will be bright, inviting and within reach. So, lie back and relax!



  • 68 units
  • Micro condos, studios, 1 to 3-bedroom units and two-storey penthouses
  • Units with Juliet, balcony or terrace
  • Large variety of finishes chosen by professional designers
  • Air conditioning
  • European-style household appliances included
  • Integrated home automation (front-door lock, living room thermostat, USB port in the kitchen)

Common areas

  • Lobby with a lounge area and Wi-Fi
  • Bike workshop and multifunctional space
  • Green spaces and landscaping
  • Gym (Phase 2)

The Lobby

Ateliers reveals the entrance hall’s look and presents a space that is both minimalist, bright and welcoming. Very mellow, essentially black and white, the lobby will encourage the occupants to feel relaxed at all times.

A new kind of gym

Provided with a spacious 1,600 square foot gym containing a large selection of the latest training equipment, Ateliers Castelnau will help all its residents to remain fit.

There will also be an adjoining terrace to relax after exercising.


Building Structure

  • Concrete structure
  • Underground Parking
  • Energy efficient elevators
  • Large windows
  • Bike storage space

Bike repair workshop and multifunctional area

The bike repair workshop will be a space where residents can maintain and repair their bikes themselves. A self-service repair station, a pump and the most commonly used tools will be available.

This space can be used for your DIY, creation, painting, pottery, gardening, etc. A work surface and a cleaning tray will also be available .

All you have to do is bring your equipment and tools to work your magic and creativity!


Smart and efficient condos:

Since you already have many things on your mind, DevMcGill wants to simplify your daily life. By sliding a finger on a smart phone or on a tablet, you will be able to control access to the lobby via video calls, the condo entrance lock and room temperature in the main room.

Ateliers Castelnau is the automated and simplified life wherever you are.