Cost To Build a Garden Suite 2026
The cost to build a garden suite in Toronto is one of the most important factors for homeowners considering this type of project. With Hutly, garden suite construction typically ranges between $400 and $450 per square foot, depending on the size, design complexity, level of finishes, and site conditions. Factors such as access to the backyard, servicing connections, and structural requirements can also influence the final cost.
This price range reflects current Toronto construction market conditions and includes the full scope of building a high-quality, code-compliant secondary dwelling. Smaller or more customized layouts may trend toward the higher end, while efficient designs can help control costs. Understanding these variables early helps homeowners budget accurately and maximize the value of their garden suite investment.
Cost of Garden Suite Construction in 2026
Garden suite construction is growing in Toronto and nearby cities. Government strategy to allow building secondary dwelling on the same lot to increase housing seems to work. After just few years we have worked on strategies and systems to save costs on such projects to make them more affordable to home owners.
The cost variation comes from size of garden suite, location of the project and design. Some of our projects look and feel like brand new custom homes and some are build with most affordable materials to satisfy the need of extra income from rental.
NOTE: Our company specializes in construction of custom garden suites (not prefab)
| Low Cost | On Average | Expensive | |
|---|---|---|---|
| 1 Floor | $430/sq ft | $450/sq ft | $500/sq ft |
| 1 Floor with Basement | $390/sq ft | $420/sq ft | $450/sq ft |
| 2 Floors | $375/sq ft | $390/sq ft | $420/sq ft |
| 2 Floors with Basement | $360/sq ft | $375/sq ft | $390/sq ft |
Cost Breakdown for Building 650 sq ft Garden Suite
| Construction Stage | Budget Percentage | Approximate Cost |
|---|---|---|
| Demolition & Excavation | 0.5% | $5,000 |
| Utility Connections | 3.5% | $39,000 |
| Footings & Foundation | 4.7% | $52,000 |
| Framing & Materials | 12.5% | $137,000 |
| Roofing & Skylights | 2.7% | $30,000 |
| Eaves & Gutters | 2.3% | $25,000 |
| Doors & Windows | 5.3% | $58,000 |
| Exterior Façade | 6.5% | $71,000 |
| Concrete works & Slabs | 2.6% | $29,000 |
| HVAC & Heating Units | 5.2% | $57,000 |
| Plumbing with Fixtures | 5.9% | $65,000 |
| Wiring & Light Finishes | 4.7% | $52,000 |
| Insulation & Vapour Barrier | 4.2% | $46,000 |
| Drywall and Taping | 4.5% | $49,000 |
| Prime/Paint/Stain | 3.9% | $43,000 |
| Appliances | 2.9% | $32,000 |
| Trims and Doors | 4% | $44,000 |
| Flooring Works | 3.7% | $41,000 |
| Tiling Works | 2.5% | $27,000 |
| Kitchen Cabinets & Slabs | 5.8% | $64,000 |
| Builder management | 5.4% | $59,000 |
| Total | $285,000 |
Style for Garden Suite
Garden suites in Toronto come in a variety of styles, each influencing the overall construction cost. Common options include modern, traditional, and fully custom-designed garden suites. Simpler layouts with standard finishes are generally more cost-effective, while contemporary designs with large windows, open-concept spaces, and premium materials tend to increase costs. Custom garden suites offer the most flexibility in layout and design but are typically more expensive due to added complexity and unique features. Understanding how different garden suite styles impact cost helps homeowners choose a design that aligns with both their budget and long-term goals.
Get Perfect Size
Toronto
| Size | Cost to Build | Rent For |
|---|---|---|
| 450 sq ft | $235,000 | $2,100 |
| 650 sq ft | $285,000 | $2,800 |
| 1000 sq ft | $430,000 | $3,500 |
| 1290 sq ft | $540,000 | $4,300 |
| 1900 sq ft | $690,000 | $5,500 |
Other Cities
| Size | Cost to Build | Rent For |
|---|---|---|
| 450 sq ft | $220,000 | $1,700 |
| 650 sq ft | $260,000 | $2,400 |
| 1000 sq ft | $405,000 | $2,900 |
| 1290 sq ft | $495,000 | $3,600 |
| 1900 sq ft | $620,000 | $4,700 |
Benefits of Building with Hutly
Building a garden suite in Toronto with Hutly offers homeowners a streamlined, reliable, and high-quality construction experience. Hutly specializes in garden suites and laneway homes, providing focused expertise that ensures efficient project timelines and consistent results. From initial planning to final construction, Hutly manages every step, helping homeowners navigate permits, design, and building requirements with ease.
Working with a dedicated garden suite builder like Hutly means better cost control, clear communication, and attention to detail throughout the process. Hutly also prioritizes durable materials and modern construction standards, delivering long-lasting value. For homeowners looking to build a garden suite in Toronto, choosing Hutly means working with a team that understands the process and delivers results tailored to your needs.
Building in Different Regions
Building a garden suite in Toronto is typically the most complex and expensive compared to surrounding areas. This is largely due to tighter lot conditions, limited access, and strict zoning requirements that often require careful planning and specialized construction methods. Many Toronto properties have older infrastructure, which can increase servicing and foundation costs. In addition, homeowners in Toronto often prioritize high-end interior finishes and modern exterior design to match property values in the area. Permit processes and urban logistics, such as material delivery and restricted workspaces, can also impact timelines and pricing. As a result, the cost to build a garden suite in Toronto is influenced by both regulatory complexity and higher design expectations.
Building a garden suite in Mississauga is generally more straightforward than in Toronto, but costs can still vary depending on the property. Larger lot sizes often allow for easier access and more flexible design options, which can help reduce construction challenges. However, servicing distances from the main house and municipal requirements can still affect overall costs. Mississauga homeowners often seek modern layouts with functional living spaces, which may increase costs depending on finishes and features. Local regulations and permit timelines also play a role in determining final pricing. Overall, the cost to build a garden suite in Mississauga is influenced by lot size, servicing conditions, and the level of customization chosen.
In Hamilton, the cost of building a garden suite is often more flexible due to a wider range of property types and generally easier site conditions. Many properties offer better backyard access, which simplifies construction and reduces logistical challenges. However, costs can still vary depending on grading, servicing connections, and the condition of existing infrastructure. Hamilton has a mix of older and newer neighborhoods, which can influence foundation work and utility upgrades. Homeowners may choose between budget-conscious builds or more customized designs, depending on their goals. The cost to build a garden suite in Hamilton is primarily affected by site conditions, accessibility, and the level of design customization.
Building a garden suite in Brampton can be more predictable compared to denser urban areas, thanks to newer subdivisions and more uniform lot layouts. Easier access to backyards and fewer space constraints can help streamline construction and reduce complexity. However, costs are still influenced by servicing requirements, as connections to the main house can vary significantly depending on property layout. Brampton homeowners often focus on functional, family-oriented designs, which can impact material choices and overall build scope. Municipal guidelines and permit processes also contribute to project timelines. The cost to build a garden suite in Brampton depends on site layout, servicing distance, and the desired level of finishes.
In other Ontario cities outside major urban centers, the cost of building a garden suite can vary widely based on local conditions. Smaller municipalities may offer more flexible zoning and fewer logistical challenges, which can simplify construction. Larger lots and easier access often reduce site-related costs, but factors such as limited contractor availability or longer material lead times can offset these advantages. Infrastructure conditions, including water and sewer connections, also play a key role in pricing. Homeowners in these areas may prioritize practicality over high-end design, which can influence overall costs. Ultimately, the cost to build a garden suite in other cities depends on local regulations, site conditions, and project complexity.