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St. Thomas Developments Inc.

One St. Thomas

1 St. Thomas Street, Toronto, ON M5S 3M5, Ontario

One St. Thomas is a low-rise luxury condominium developed by St. Thomas Developments Inc. at 1 St. Thomas Street in Toronto, completed in 2008. The building is known for its wide range of suite sizes, from compact one-bedroom homes to sprawling residences approaching 8,500 square feet, alongside a handful of large townhomes.

Rather than being in the pre-construction pipeline, One St. Thomas is a finished, occupied address, giving buyers the chance to see the finished product, building operations, and neighbourhood context before purchasing.

Occupancy: Completed in 2008
Suites: Condominium suites ranging from approximately 474 to 8,436 sq ft, plus four 2–3 bedroom townhomes of roughly 4,185–4,410 sq ft above grade.

How this listing is verified

✓ Listing facts compiled from multiple public sources and cross-checked by LIQWD's audit system
✓ Pricing and availability update as builders release them — last updated September 7, 2026
✓ Corrections from verified agents and builders are reviewed by our team — pre-construction details change; confirm final terms with the sales team

Local amenities

One St. Thomas sits in the heart of one of Toronto's most walkable and amenity-rich areas, within easy reach of the shops, restaurants, and galleries of Yorkville and Bloor Street. The surrounding area is home to some of the city's best-known cultural institutions, upscale retail, and dining, making it a favoured address for those who want a low-rise, boutique building in a high-density, high-amenity setting.

Specific nearby schools, hospitals, and grocery options will be confirmed by the builder or listing brokerage, but the immediate area is well established for daily conveniences and lifestyle amenities given its central location.

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Buying pre-construction at One St. Thomas

One St. Thomas is a completed building, so purchasing here follows the resale process rather than a pre-construction sales sequence. Buyers work with a real estate agent to view available units, submit an offer, and complete a standard agreement of purchase and sale, with financing and closing timelines negotiated directly between buyer and seller.

For buyers more familiar with the pre-construction process elsewhere, it's worth noting that new condominium purchases in Ontario benefit from a 10-day cooling-off period under the Condominium Act, during which a buyer can rescind a purchase agreement without penalty. This protection applies specifically to newly built condominium units sold directly by a developer and does not apply to resale transactions of the kind typically used to purchase at a completed building like One St. Thomas.

Buyers interested in a unit at One St. Thomas should confirm current listing status, pricing, and building details such as maintenance fees and reserve fund standing directly with a real estate professional familiar with the building.

Frequently asked questions

What is One St. Thomas?

One St. Thomas is a completed luxury condominium at 1 St. Thomas Street in Toronto, built by St. Thomas Developments Inc. and completed in 2008.

What size are the suites at One St. Thomas?

Condominium suites range from approximately 474 to 8,436 square feet. The building also includes four two- to three-bedroom townhomes of roughly 4,185 to 4,410 square feet above grade.

Is One St. Thomas a pre-construction project?

No, One St. Thomas was completed in 2008 and is an established, occupied building. Purchases here are typically resale transactions rather than pre-construction sales.

What is the current price range at One St. Thomas?

Specific pricing is not available here and will vary by unit size, floor, and current market conditions. Prices, when listed, are quoted in Canadian dollars (CAD).

Where is One St. Thomas located?

The building is located at 1 St. Thomas Street in Toronto, in the Bloor-Yorkville area, close to subway access and the city's core retail and cultural district.

Who developed One St. Thomas?

The project was developed by St. Thomas Developments Inc.

How do I buy a unit at One St. Thomas?

Since the building is complete, buyers typically purchase through the resale market with a licensed real estate agent rather than registering for a pre-construction release.