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OCH would like to notify tenants that Canada Post is experiencing a labour disruption, effective September 25, 2025. Mail and parcels will not be delivered, and no new items will be accepted. You can find more information on Canada Post’s website.

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MOSAÏQ OTTAWA – Phase 1

811 Gladstone Avenue, Ottawa

Background

The first phase of the redevelopment of the Rochester Heights community saw the removal of 26 townhomes in the summer of 2018 on land at the northeast corner of Gladstone and Rochester. The proposed design was for a six-storey building with 108 apartments and two stacked townhome blocks along Balsam Street, each containing 16 units, for a total of 140 homes.

The design created capacity for affordable housing, with a mix of studios, one-bedroom units, and two-, three-, and four-bedroom units. It included generous indoor and outdoor amenity space, surface and underground parking, and bicycle parking.

The original townhomes, built in 1966, had reached the end of their life cycle. The design pursued net-zero and passive house designations, the gold standard of sustainable design. The building was intended to produce as much electricity as it consumed. One way OCH planned to accomplish this was by installing a bank of solar panels, rivalling our largest solar panel array at our Regina Lane townhomes, which produced enough electricity annually to power 12 homes.

Status

Phase 1: Rehousing of 26 households  completed. 
Demolition of phase 1:  Complete. 
Construction began:  Summer 2019

Completion Date

2021

Rental Information

You can sign up here to receive email notifications once an apartment becomes available. 

Investment

The project received funding from the Federal Investment in Affordable Housing Program and the Social Infrastructure Fund, as well as a combination of repayable and forgivable loans from the National Co-Investment Fund (renamed the Affordable Housing Fund in 2023).

About ARRIV

ARRIV Properties represents a new concept to fill the gap in Ottawa’s affordable rental market. ARRIV Properties is a new banner for OCH’s affordable housing rentals. It offers homes at average or below-average market prices, setting the standard for modern living and lifestyle at an affordable price. It is an exciting milestone because it signals another offering in the housing continuum by providing apartments and townhomes at affordable prices for low- to moderate-income households.

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