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(in collaboration with KPMB)


Ottawa, ON


2021 - Ongoing


36 and 31 storeys

Project Role

Schematic Design, Detailed Design, Construction Drawings, 3D Modeling, Visualizations


LeBreton Flats Library Parcel is the first major housing development in Ottawa built for a post-pandemic world—a world in which the deep connections between sustainability and social equity have never been more apparent. Committed to realizing this vision, Toronto-based developer Dream built a design team led by a joint venture of Perkins&Will and KPMB Architects, supported by Two Row Architect. The project is one of Canada’s largest residential zero-carbon projects.

The Library Parcel project anchors the future development of the LeBreton Flats precinct, a dynamic transit-oriented community near the Ottawa River and next to Ādisōke, Ottawa’s new central library. The development has  600 new rental units—41% of them designated as affordable and offered below market rents. The development’s two towers include generous community amenities, views of Parliament Hill and the Ottawa River, and retail at grade, framing and animating a series of new public spaces at grade. The project’s public realm links the neighbourhood with an LRT station, connecting residents to the wider city and region without needing access to a car.

Connecting sustainability and equity in a zero-carbon vertical community.


The project site is situated at the confluence of the three rivers we now call Gatineau, Ottawa, and Rideau, and has been home to and visited by Indigenous people for thousands of years. It has been a point of connection and trade throughout history, including between the host Algonquin Nation, Haudenosaunee, and Huronne-Wendat Peoples and later as the founding site of Ottawa, Canada’s capital. In collaboration with Indigenous architects, Two Row Architect and consultants Innovation 7, the design thinking and the programming for the site has been developed to carry forward and honour its pre-settlement history and the site’s identity as a place of connection and community. Sustainability and stewardship are core traditional values in Indigenous communities. The historical alignment of Wellington Street is recovered and made visible, establishing a physical connection to Ādisōke and the emerging public space system, but also a conceptual connection to the Parliament Precinct which has been lost over time as Wellington Street has been realigned. The landscape features a gathering place between the two towers to be used as a central social public space which pays tribute to Indigenous ideas of connectivity.

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