New two-storey laneway suite with light grey siding and a warm oak front door facing a Toronto lane

See What a Laneway Suite Costs Before You Apply

Building an 800 sq ft two-storey, 2-bedroom laneway suite in Toronto costs about $373,000 to $531,960 CAD before HST at 2026 prices. The low end has easy lane access and short utility runs, and the high end adds long utility runs, removal of an old garage, tight lane access, and upgraded finishes.

A laneway suite is a separate home built beside a public lane on a qualifying lot. It adds living space and keeps your main house in place.

Prices updated October 2026

Price Your Laneway Suite

Your Suite

sq ft
Enter the total floor area of the suite, across every storey, in square feet.

StoreysSelect how many storeys the suite has.
Enter how many bedrooms the suite has.

Enter how many bathrooms the suite has.

Site and Finishes

Water, Sewer, and PowerSelect how far the suite sits from the connections at your house.
Lane AccessSelect how easily trucks and equipment reach the site from the lane.
Old GarageSelect whether an old garage comes down first.
Finish LevelSelect the quality level of the kitchen, bathrooms, flooring, and fixtures.

Upgrades

Tick when the path from the street to the suite is long enough to need sprinklers.
Tick when the soil needs a deeper foundation or helical piles.
Tick to have True Frame Builders prepare the drawings and apply for the building permit.

Location

Enter the first 3 characters of your postal code to apply location-based pricing.

Fill in the fields above to see your price
Pick a time for True Frame Builders to visit, measure, and prepare your quote.Book a home visit

What Changes the Cost

  • Lane and fire access: Tight lane access slows the work, and a long path from the street needs sprinklers.
  • Foundation, framing, and roof: Poor soil needs a deeper foundation, and the design sets the framing and roof.
  • Utility connections and site work: Longer runs for water, sewer, and power cost more to trench and connect.
  • Demolition: An old garage on the lane comes down before the build starts.
  • Rooms and finishes: Each bathroom and a higher finish level raise the total.
Compact excavator working in a narrow Toronto lane between fences at a laneway suite build site
A narrow lane fits only small machines and small loads, so the work takes longer.
Trench carrying new water, sewer, and power lines across a Toronto backyard to a laneway suite build
The suite sits at the back of the lot, so water, sewer, and power run the length of your yard.
Crew demolishing an old detached garage on a Toronto lane to clear the lot for a laneway suite
An old garage on the lane comes down and is hauled away before the foundation goes in.

What Your Estimate Includes

Your estimate covers a complete laneway home with the rooms you select, its kitchen, its utility connections, and the demolition you select.

New two-storey laneway suite with grey siding and an oak front door on a concrete pad facing a Toronto lane
A finished laneway suite with its own kitchen, bathroom, and front door on the lane.

What True Frame Builders Checks Before Your Quote

Contractor measuring a Toronto lot from the lane with homeowners during a laneway suite site visit
True Frame Builders measures your lot and the lane with you before sending your quote.

Whether your lot qualifies, and how large the suite can be, depends on the lot, the lane, and the permit review. True Frame Builders checks them before your design is final. Your final price depends on site conditions, measurements, chosen materials, and the full work plan. True Frame Builders visits, measures, and then sends your quote.

Common Questions

How much does a laneway suite cost in Toronto?

Building an 800 sq ft two-storey, 2-bedroom laneway suite costs about $373,000 to $531,960 CAD before HST at 2026 prices. The low end has easy lane access and short utility runs, and the high end adds long utility runs, removal of an old garage, tight lane access, and upgraded finishes. Your own cost depends on your answers in the estimate and the condition of your property.

Does every home on a laneway qualify for a suite?

A lot on a public lane qualifies when it meets the size, access, and zoning rules. True Frame Builders checks your lot against them on site.

Can a laneway suite replace my garage?

Often, yes, once the lot rules and the existing building are reviewed. Select the old garage removal in the estimate. If you only need parking or storage, use the detached garage estimate.

Plan the Next Part of Your Project

You can also compare a garden suite, a detached garage, or a custom home. Each one has its own estimate, and your saved estimates add up to one project total.

For City of Toronto permit rules, see the Toronto laneway suite permit guide.