Home Addition Services in Toronto & the GTA
The Renovators of Canada designs and builds home additions for homeowners across Toronto, Markham, Vaughan, Richmond Hill, and the Greater Toronto Area. Whether you need a second storey, a sunroom, a rear extension, or an in-law suite, we handle design, permits, and construction under one roof — backed by our 15-year transferable workmanship warranty and over 20 years of experience.
Join 800+ GTA homeowners who’ve trusted The Renovators of Canada with their renovation.
★★★★★ 4.8 Google Rating • 15-Year Warranty • BBB Accredited. • Serving the GTA
Why Homeowners Choose The Renovators of Canada
20+ years of renovation expertise
Thousands of projects completed across the GTA with a long-standing reputation for reliability and craftsmanship.
15-year transferable workmanship warranty
One of the strongest warranties in Toronto, giving homeowners long-term peace of mind.
Only a $500 deposit to start
We build trust before we build walls. Your project is secured with a low $500 deposit, fully credited to your first invoice.
Transparent, milestone-based billing
No large upfront payments. You pay only for completed project milestones.
Home Protection Package on day one
Floor protection, furniture protection, safe pathways, and organized material/tool zones, your home stays protected from start to finish.
Weekly updates with progress photos
Clear communication throughout every phase so you always know what’s happening next.
Cleanliness Guarantee
We maintain a clean, organized jobsite. If your home is left unreasonably messy at completion, we return promptly for a full cleanup at no charge.
Safety-trained and insured team
Our team and trade partners carry full insurance and follow strict safety and worksite standards.
We are proudly an accredited business of the better business bureau
Recognition from respected industry organizations dedicated to professional standards.
Home Addition Cost in Toronto
Home addition costs in Toronto can vary — these ranges help you plan. Your detailed quote will reflect your home’s layout, materials, and design goals.
Room or Small Extension From $60,000+ Framing, roofing, drywall, finishes
Second-Storey Addition $150,000–$250,000+ Structure, permits, electrical, HVAC
Whole-Home Renovation $100–$200/sq. ft. Layout reconfiguration, premium finishes, new systems
Itemized quotes, no hidden fees, no surprises.
For a detailed breakdown, read our full guide on Home Addition costs in Toronto.
Typical home additions take 8–16 weeks depending on scope and structure.
Home Addition Services We Offer
We provide complete Home Addition services tailored to your space, style, and budget:
Second Storey Additions
Add a full second level to your home to significantly increase living space without expanding your footprint.
Rear Extensions
Extend the back of your home to create larger kitchens, living areas, or open-concept spaces.
Side Additions
Utilize available lot space to expand your home’s layout and functionality.
Garage Conversions
Convert underused garage space into functional living areas or additional rooms.
In-Law Suites & Multi-Generational Living
Create separate living areas for family members with privacy and independence.
Structural & Layout Modifications
We handle structural changes, engineering, and design required for safe and effective home expansions.
Full Design & Build Additions
From permits and planning to construction and final finishes, we manage the entire addition process.
Our Home Addition Proven Process
Consultation & Design Planning
We discuss your goals, style preferences, and layout ideas. Your project begins with only a $500 deposit, fully credited on your first invoice.
Detailed Scope, Materials & Project Scheduling
We prepare a transparent written scope, complete with pricing, selections, and milestone billing. You receive a fully scheduled project timeline outlining key phases, trade scheduling, and selection deadlines.
Construction & Our Signature Protection System
On day one, we install our Home Protection Package, floor and stair protection, furniture coverings, protected pathways, and clean work zones. Throughout construction, your Site Supervisor provides weekly updates and progress photos, keeping you informed every step of the way.
Completion, Cleanliness Guarantee & 15-Year Warranty
We complete a final walkthrough, satisfaction check, and full cleanup. If we ever leave your home unreasonably messy at completion, we return promptly for a thorough cleanup at no charge. Your renovation is covered by our 15-year workmanship warranty, one of the strongest in Toronto.
Homeowners Across the GTA Love Their New Spaces
Rachel K., Toronto
T-ROC completely transformed our outdated kitchen. The island design made hosting so much easier.
Dan C.
Renos are always stressful; but we honestly can say that David, William and the T-ROC team have made this as easy and painless as it possible could have been.
Paul G., Whitby
Professional from start to finish. Their team guided us through every detail and delivered exactly on time.
Why Invest in a Home Addition?
A home addition is one of the most effective ways to increase your living space while staying in a home you already love. For homeowners in Toronto, Markham, Vaughan, and across the GTA, adding square footage can significantly improve both functionality and long-term property value.
Avoid the cost of moving
Expanding your current home can be more cost-effective than purchasing a larger property in today’s market.
Increase property value
A well-designed home addition adds substantial value and makes your home more attractive to future buyers.
Customize your living space
Design new space that fits your exact needs, whether it’s a larger kitchen, additional bedrooms, or open-concept living.
Support growing families
Home additions provide the extra space needed as your family grows or your lifestyle changes.
Improve layout and functionality
Enhance how your home flows by expanding key areas and improving overall usability.
Home Addition FAQ
How much does a home addition cost in Toronto?
Home addition costs in Toronto range from $25,000 for a small bump-out to $400,000+ for a full second storey. Most mid-sized ground-level additions fall between $150,000 and $300,000. The final cost depends on size, type, foundation requirements, and finishes.
You can also view our detailed Home Addition cost guide for a full breakdown.
How long does a home addition take?
Most home additions in Toronto take 8 to 16 weeks of construction time. A bump-out can be completed in 4 to 8 weeks. Second storey additions typically take 4 to 6 months. Add 2 to 8 weeks for permits before construction begins.
Do I need permits for a home addition?
Yes. All home additions in Toronto and the GTA require a building permit. The permit process includes plan review, inspections during construction, and a final sign-off. T-ROC handles the full permit process on your behalf.
Can I live in my home during construction?
In most cases, yes. Ground-level additions and bump-outs typically allow you to stay home throughout construction. Second storey additions may require you to relocate temporarily during roof removal and framing, usually 2 to 4 weeks.
Will a home addition increase my property value?
Yes. Home additions typically deliver 50 to 75 percent ROI at resale. A well-designed second storey or main-floor addition in the GTA market can add significant value, especially when it adds bedrooms or bathrooms.
Ready to Expand Your Home and Your Lifestyle?
Let’s design and build a space that perfectly fits your family’s needs — on time, on budget, and backed by our 15-year warranty.
No obligation, No large deposits, Just honest work and proven results.