Downing Street Realty Partners

Acquires underperforming assets and delivers urban intensification through active asset management.

Since 1986, Downing Street Realty Partners has been acquiring, repurposing and transforming the untapped potential of urban real estate properties into one-of-kind office, commercial and industrial assets for sale or lease.

Downing Street Realty Partners has the unique ability and creative vision to re-imagine raw, undervalued or overlooked properties into exceptional, people centric, viable properties that anticipate the needs of workspace tenants and business owners now and in the future.

Downing Street Realty Partners’ investment in and ongoing gentrification of choice properties is attracting a new class of entrepreneurs looking to lease or own transformative work spaces.

Partners, clients and tenants trust Downing Street Realty Partners’ ability to identify, secure, reposition and develop real estate from heritage core office, character commercial sites and adaptive re-use of light industrial buildings to single purpose use developments.

“We are passionate about creating exceptional experiences and value for our tenants and our buyers.”

Re-inventing Real Estate for Improved Performance.


187-191 Parliament Street

Hard Loft, Live/Work Units for Sale


33 Palace Street

Mixed-use Commercial Redevelopment. Retail and Live Work Units available for sale and lease


37 Advance Road

Multi-tenant flex office/industrial building
-100% Leased


39 Advance Road

Single tenant flex office building
-100% Leased


36 Horner Avenue

Single-tenant industrial building

-100% Leased


40 Horner Avenue

Multi-tenant flex industrial building

-100% Leased


190 Norseman Street

Multi-tenant flex industrial building

-100% Leased


212-216 Norseman Street

Multi-tenant flex industrial building
-100% Leased


14 Vansco Road

Multi-tenant flex industrial building

-100% Leased


1125-1129 Leslie Street

100% Leased Office Space in the heart of North York.

“We like to pay respect to the exteriors of our buildings, but provide interior spaces that reflect how people work today.”

Past Projects

339 Queen Street East
Storied Location, New

The Downing Street Group transformed this landmark turn of the century brick and beam warehouse into high tech offices, state-of-the-art studios, connected classrooms and open concept event spaces at Queen Street East and Parliament Street. The repurposed 43,000 sq.ft. workspace is now the iconic cornerstone of the community and the world headquarters for the WE Charitable Organization.

350 Bay Street
Core Office is Catalyst
for Change

The Downing Street Group acquired this vacant 1930’s office tower in Toronto’s financial core. A visionary retrofit and creative tenant strategy led to a 100% occupancy. This landmark office tower became the catalyst for neighbourhood change – the renewed interest in character office space in heritage buildings downtown.

330 Bay Street
Re-Purposed and Re-Marketed to a Higher Standard

After establishing a foothold at 350 Bay Street, The Downing Street Group acquired 330 Bay Street with a challenging 45% vacancy. Thoughtfully refurbished and creatively re-marketed, 330 Bay’s 150,000 sq.ft. core office tower was fully leased and is a valuable asset to the fabric of Toronto’s financial core.

1255 Bay Street
New Lease on Life for Office Tower

The Downing Street Group acquired this 9-storey office building from a major Canadian life insurance company and breathed new life into it with a quality interior renovation, targeted tenant repositioning and creative marketing campaign to attract quality long-term leases.

184 Front Street
Bold Move East for Office Market Share

In a bold strategic move, The Downing Street Group acquired and developed this 87,454 sq.ft. office development in the as yet untapped George Brown Campus area of Toronto’s east end. Fully leased, this new office building created demand for other new developments east of the typical Yonge Street office corridor boundary.

425 Bloor Street East
From Power of Sale to Long Term Security

A high profile corner. A prime location above Sherbourne Subway Station. A fully occupied building. The Downing Street Group acquired 425 Bloor Street East under a power of sale and proceeded to secure the tenancy of the anchor tenant.

885 Don Mills Rd Toronto
885 Don Mills Road
Investing in refurbishment leads to lease up

Located in a suburban office park, The Downing Street Group undertook extensive interior and exterior refurbishments to bring this underperforming building with 30% occupancy up to 100% occupancy in short order.

951 Verbena Road
Industrial/Pharmaceutical Facility

This State-of-the-art pharmaceutical manufacturing facility mixes highly efficient manufacturing areas with lab operations. Well located in the accessible Tomken/Hwy 401 Area, the 25,000 sq.ft. building has a new roof, new landscaping, and millions of dollars on interior refurbishments.

1155-1179 Queen Street West
Condo Community Commercial

The West Queen West neighbourhood represents some of Toronto’s hippest residential and commercial operations. The commercial base of the Bohemian Embassy consists of 13,887 square feet for retail and commercial uses.

1011 Dufferin Street
High Profile Corner

This was a mixed use medical office and residential building located on top of the Dufferin subway station. The building had significant deferred maintenance and was fully leased within 12 months of acquisition.

252 Parliament Street
Large format retail space for lease

Located on the west side of Parliament Street between Queen Street East and Dundas Street East. With over 80 feet of frontage on Parliament Street, this 23,000 square foot building provided an opportunity to secure unparalleled exposure in a developing node and benefitted from a number of prominent developments in the immediate vicinity.

333 Bering Street
Three Storey Condo Workspaces

Experience the epitome of modern business space with our range of commercial condos spanning from 8 to 1,900 square feet. These three-story units offer convenience with included parking while boasting industrial chic finished interiors, setting a trend in contemporary design. With impressive 14-foot ceilings on the ground floor, these spaces exude a sense of spaciousness and grandeur. Additionally, each unit features an exclusive outdoor rooftop terrace, providing a unique and inviting environment for business gatherings or relaxation.

120 Front Street East
Tech Core Office Space

Discover a retrofitted office space strategically situated near the renowned St. Lawrence Market. Offering unparalleled convenience, this location features an exclusive entrance, lobby, and elevator directly accessible from Front Street East, ensuring a seamless and prestigious arrival experience for tenants and visitors alike. Embrace the prestige of being a TECH tenant in this prime location, where modern amenities blend seamlessly with historic charm, creating an ideal environment for innovation and productivity.

Commercial Inquiries

Lucas Debiasio
Tel: 416.248.6206 Ext 2411