Build With Toronto’s Top Custom Home Builders
Crafting Dream Homes
For Lasting Memories
RENOVATION ● ADDITION ● CUSTOM BUILD
HCRA Licensed & Insured
HOME BUILD AND DESIGN SERVICES IN TORONTO
Your home is one of the biggest decisions you’ll ever make. As custom home builders in Toronto with over 15 years of experience, Grand Design Build delivers new builds, full renovations, home additions, and laneway suites; all under one roof, on a fixed price, with no hidden costs.
We’ve completed 250+ projects across North York, Forest Hill, Rosedale, Yorkville, Etobicoke, and the GTA, earning the trust of Toronto homeowners through transparent pricing, disciplined project management, and craftsmanship that stands behind a 7-year structural guarantee.
Custom Home Building
Design-to-handover custom builds tailored to your lot, lifestyle, and budget. Fixed price from day one.
Home Additions
Expand your living space. Rear additions, second storeys, and side extensions across the GTA.
Home Renovation
Full-home renovations, kitchen and bathroom remodels, and open-concept transformations.
Laneway & Garden Suites
Design, permits, and construction for Toronto laneway and garden suites from start to finish.
Design & Permits
In-house architectural design, permit applications, and zoning compliance across Toronto and the GTA.
Project Management
Dedicated project coordinators, progress tracking, and on-site supervision from ground break to handover.
Right Plan ● Right Team ● Right Price
Built on Trust And Backed by Guarantees.
Design and custom build firm that is fully insured & licensed
We are fully insured and licensed in accordance with all provincial and municipal regulations. This means every aspect of our work from structural construction to specialized trades is backed by the proper certifications and liability coverage. You can rest easy knowing that your project is protected, compliant, and managed by qualified professionals who meet the highest industry standards.
7 year structural guarantee for your dream home
This is your project, and we want you to love it! We promise that you will not only love the process of building your project, but you will love the final product as well.
As one of the best home build and design experts in Toronto, we offer you a seven-year Structural Guarantee (Guarantee) on your new home.
Top custom home builders with fixed price building contract
Most Toronto builders use a cost-plus model, where rising material costs and delays come out of your pocket. At Grand Design Build, your price is locked before we break ground. No hidden extras. No surprise invoices. Just a clear contract, a clear timeline, and a home that’s built the way we promised.
Explore Our Design And Build Projects
THE POWER BEHIND EVERY PROJECT
With over 15 years of experience and 250+ projects completed across Toronto’s most established neighborhoods, we’ve built something rare in this industry: massive purchasing power. As leading home builders in Toronto, our volume allows us to buy materials at a scale that commands better pricing and priority from global manufacturers.
We deal directly with suppliers to eliminate the middleman, passing every dollar of those savings straight to you. Because we know the GTA’s local landscape inside and out, we bring a level of efficiency that consistently lowers construction costs by up to 30%, without ever compromising on the quality your investment deserves.
LICENCES
We are premier custom home builders in Toronto, licensed by HCRA and fully insured for your protection.
OUR PROCESS
We believe building a home should be an exciting journey, not a source of stress. As one of the top home builders in Toronto, we’ve spent 15 years perfecting a simple, 6-step process that keeps your project on track, on budget, and exactly the way you envisioned it.
Phase 1 : Consultation
Our process begins with a strategic consultation that helps us align your vision and goals to site feasibility and permit requirements. This meeting also helps us outline the general scope, budget, and timeline expectations of the custom project.
Phase 2 : Design and Permit
Our design team translates your vision into architectural reality. We develop comprehensive floor plans, elevations, and structural specifications that prioritize both aesthetics and Toronto building code compliance.
Phase 3 : Cost Estimation
We leverage our wholesale purchasing power to provide a transparent, fixed-cost budget. By dealing directly with manufacturers and cutting out middlemen, we pass savings of up to 30% directly to you. You get total financial clarity on all labor and materials before we break ground.
Phase 4 : Construction
With approvals and permits in place, construction begins. This phase includes demolition (if applicable), structural work, framing, mechanical systems, and interior/exterior finishes. Progress is monitored closely to ensure quality and adherence to the project plan.
Phase 5 : Inspection
Comprehensive inspections by our team and relevant authorities to ensure compliance with building codes, safety regulations, and project specifications.
We also complete any touch-ups, address outstanding items, and ensure that finishes and fixtures are polished and properly installed.
Phase 6 : Final Completion and Handover
We meticulously review every aspect to ensure your satisfaction. The final handover process is seamlessly guided, marking the transition of your new home into your possession.
WHAT OUR CLIENTS SAY ABOUT OUR SERVICES
Check all our reviews
4.8
Neighborhoods We Serve
Grand Design Build provides full-service design and construction across the Greater Toronto Area. We are active home builders in Toronto and the following neighborhoods:
- Central Toronto: Old Toronto, Downtown, Rosedale, Forest Hill North, Bloor West Village
- North York: North York, Bayview Village, Ledbury Park
- East York & Scarborough: East York, Leaside, Leslieville, The Beaches, Danforth Village, Cliffside
- Greater Toronto Area: Richmond Hill, Oakville, Eglinton West
FAQs
1. Does Grand Design Build handle everything from the initial architectural drawings to the final interior finishes?
Yes. We provide a complete “Design-to-Handover” service. This means we are your single point of responsibility for:
- Architectural & Structural Design: Creating plans that are both beautiful and buildable.
- Permit Navigation: Managing all city applications and zoning variances.
- Interior Design: Sourcing cabinetry, flooring, and lighting.
- Full Construction: Managing all trades, materials, and on-site labor until the day we hand you the keys.
2. How is your "Fixed-Price" model different from the "Cost-Plus" model used by most Toronto builders?
Most high-end builders use Cost-Plus, where you pay the actual costs of labor and materials plus a percentage fee. While this seems flexible, it places all the financial risk on you; if the builder is inefficient or material prices spike, your bill goes up.
At Grand Design Build, we use a Fixed-Price Guarantee for our defined scope. We do the hard work of estimating and sourcing before we break ground. This shifts the risk from your shoulders to ours. If a sub-trade raises their price or a task takes longer than expected, that’s our responsibility to manage, not yours. You get budget certainty and peace of mind from the start.
3. Does "Fixed-Price" mean I can't make changes once the project starts?
Not at all. You can still customize your home as we build. If you decide to upgrade a finish or alter a layout, we simply use a formal Change Order. We provide you with the exact cost and timeline impact of that change for your approval before the work is done. This ensures your price remains under your control, even if your vision evolves.
4. How do you handle "Change Orders" if we decide to upgrade a finish mid-project?
We use a formal Change Order process. If you decide to upgrade a product or design once the construction has started, we provide a written quote for the cost and timeline difference. Work only proceeds once you’ve signed off, ensuring there are no “surprise” invoices at the end of the month.
5. How long does it take to build a house in Canada?
A straightforward new build usually takes 6–12 months once permits are in place. A full custom home can take closer to 12–18 months because of design work and permitting. Weather, trades availability, and the complexity of the project all affect timelines.
6. How much does it cost to build a 2000 sq foot house in Ontario?
On average, new builds in Toronto run roughly $300–$400 per square foot for a good-quality home. That means a 2,000 sq ft house might cost $600,000–$800,000 just for construction. Luxury custom homes with high-end finishes can go higher. Land, permits, design fees, and HST are extra.
7. Do you handle Laneway or Garden Suites from start to finish?
Yes. We specialize in maximizing property value through Toronto’s new housing bylaws. We handle the unique structural, utility, and permit requirements necessary to turn your underutilized backyard into a high-end, self-contained living space.
8. Do I need to move out during a major renovation or second-storey addition?
For full-home gut renovations or second-storey additions, we highly recommend moving out to ensure your safety and to speed up the construction timeline. However, for smaller localized renovations, we can often set up dust barriers and “clean zones” so you can remain in your home comfortably.
LATEST BLOGS
Ready to bring your vision to life?
Reach out today to discuss your project and discover how we can make it happen together.
Get in Touch
- 1558 Avenue Road, North York, ON M5M 3X5
- (416) 920-6066
- info@granddesignbuild.com
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