If you have a home in Scarborough and are thinking about adding a garden suite in your backyard, this blog will help you understand some details you need to know before starting your construction . A garden suite is a separate dwelling in your backyard, ideal for rental income, guests, or family members.
We’ll cover types of garden suites, costs, timelines, utilities, permits, and project steps, so you know what to expect before starting. Also, in the first meeting, our project manager will explain all the process to help you.
What is a Garden Suite?
A garden suite is a small house in your backyard and design is very important . Unlike a legal basement unit, it’s completely separate and usually includes:
- Bedroom(s)
- Bathroom(s)
- Kitchen
- Living area
Why homeowners in Scarborough build garden suites:
- Earn extra rental income you can have two units completely separate in one garden suite
- Provide space for family or guests
- Increase property value
- Stay legal and comply with Toronto bylaws
Why Scarborough is good location for Garden Suites
- Lot Sizes: Many homes in Scarborough have enough backyard space for a garden suite.
- Rental Demand: Strong rental market at the moment means good income potential.
- Bylaws: Toronto allows garden suites in most residential areas.
- Costs: Construction and land costs are often lower than in central Toronto.
Types of Garden Suites and Costs
You have several options depending on your budget:
- Prefabricated (Prefab) Garden Suite – About $270,000, usually finished in 3 months.(https://www.atella.ca/)
- Custom-Made Garden Suite – About $350,000, fully designed for your needs, takes 4–6 months.(MBC homes )
- Modular Garden Suite – Costs vary depending on design and size also installation is not easy as needs crane plus delivery.
Typical Cost Breakdown:
- Permits & approvals: $3,000–$7,000
- Site preparation & foundation: $25,000–$40,000
- Construction/structure: $150,000–$200,000
- Finishes (kitchen, bathroom, flooring): $50,000–$80,000
- Utilities connection: $10,000–$20,000
Some projects may require Committee of Adjustment approval, proper permits, and good coordination.
Utilities and Other Important Items
Building a garden suite includes more than just the structure. Key considerations:
Utilities:
- Water & Sewer: Connect to municipal lines ($5,000–$15,000)
- Electricity: Separate meter or main connection ($3,000–$8,000)
- Gas: Optional for heat or cooking ($1,000–$5,000)
- Internet & Cable: Optional ($500–$1,000)
Site Prep & Landscaping:
- Grading and foundation work
- Driveways or paths
- Fencing or retaining walls
Structure & Safety:
- Proper foundation and framing
- Fire safety and egress windows
- Roof, insulation, and weatherproofing
Permits & Approvals:
- Building permit
- Committee of Adjustment if needed
- Inspections during construction
Interior Finishes & Appliances:
- Kitchen and bathroom fixtures
- Flooring, painting, lighting
Project Coordination:
- Scheduling subcontractors
- Ordering and delivering materials
- Managing timelines and budget
Renotec manages all steps from permits to construction, making sure your Scarborough garden suite is built safely and on time.
Contracts and Project Steps
Working with a professional ensures clarity:
- Estimates: Clear costs upfront
- Timeline: Prefab ~3 months, Custom 4–6 months
- Permits & Approvals: Handled for you
- Change Orders: Documented and agreed upon
- Completion & Warranty: Quality and support included
Mini Case Study
A Scarborough family built a prefab garden suite (~$270,000). The project took 3 months, included all permits, and now earns $2,200/month in rental income.
Why Work with Renotec
- Handles design, permits, and construction
- Knows Scarborough zoning and building codes
- Uses quality materials
- Makes the process smooth and predictable
Call to Action
If you’re considering a garden suite in Scarborough, call 416-838-3631 or contact us online to learn more.