Home Additions & Second Storeys in North York
Create more room in the home you love. We coordinate design, engineering, permits and construction for additions and second-storey projects.
Finished Spaces Across the GTA
Explore our team's residential work, from kitchens and bathrooms to complete home transformations.
In The Media
Don't take our word for it! Built By Pros is honoured to be featured in these reputable publications. Have a look for yourself!
Meet Our Happy Clients
Hear directly from GTA homeowners who trusted us with their renovation.
Ashley HGoogle review
Read on GoogleWe recently completed a full home renovation plus addition with Built By Pros and we were so happy with our decision! We looked at many different companies and ultimately decided on Built By Pros after meeting with Ricardo and Suzanne and getting a good feeling from them right off the bat. They were very helpful and involved in every step of the process which gave us complete trust and confidence in them. They hold themselves to a high quality and customer service standard and it shows through their approach and their work.
The whole team was great to work with. The crew was friendly, respectful, helpful and went the extra mile to ensure all our requests were accommodated. The project was on budget and on time and we couldn’t have asked for a smoother process.
We have now moved into our new house and are loving our new space. If you’re looking to do a home reno, look no further than Built By Pros!
Paolo KorreGoogle review
Read on GoogleIncredible team to work with, exceptional quality of work!
We've just underwent a major home renovation - When you are taking on a project of this magnitude, you need to have trust in your partners, and the Built by Pros team earned our trust every step of the way. They worked tirelessly to get the job done on time, and to a high quality of finish. They were honest and open in their communications - which is so important when you are renovating a 100+ year old home and bound to discover some issue hidden behind dry wall. They were reasonable in their pricing - the team has a great designer and architect who helped us find creative design solutions that helped us fall in love with our house, but also do it within budget.
For people in the GTA considering a home reno - we highly recommend this team.
Sana ZiauddinGoogle review
Read on GoogleI chose Built By Pros for my en suite bathroom renovation after meeting with them at the Toronto Home Show. From the initial meeting with Suzanne to subsequent conversations about what I wanted for the renovation as a part of the contract signing - the process was smooth and feedback was always heard and quickly addressed. I felt very comfortable moving forward with the contract and project given the amount of details provided for the initial assessment and a clear understanding of the project milestones, cost and timelines. It was a pleasure working with Suzanne and Petra through the planning and construction - I had an idea / vision of what I wanted the bathroom to look like and they both made sure it was possible, down to every last detail. The crew was also great - very meticulous with their work and receptive to feedback (also very detail oriented which was excellent).
The bathroom construction timeline itself was extended a bit but was totally worth the wait. It is beautiful, functional and exactly what I hoped for. I would highly recommend Built By Pros for your construction project.
Our Process
From first consultation to final walkthrough — a clear, itemized path with no surprises. Optional steps flex to fit your project's scope.
Consultation & Quote
A thorough walkthrough of your space to understand your goals and budget, followed by a clear, itemized quote with no hidden costs.
Contract
We formalize the agreement with a straightforward contract that outlines scope, timeline, and payment milestones.
Change Order Approval
If scope shifts, every change is documented in writing before any additional work begins.
Optional Step
Design & Confirm Scope
Together we finalize the scope of work, select materials and finishes, and lock in a transparent, itemized price.
Optional StepCAD, Engineering & Permits
We handle all CAD drawings, structural engineering sign-offs, and municipal permit applications on your behalf.
Optional Step
Detailed Project Planning
A week-by-week schedule covering trades, material deliveries, and inspections so every sub-contractor is on-site at the right time.
Construction Phase
Daily site supervision and regular updates. We keep a clean, safe jobsite and resolve field decisions quickly.
Project Kick-Off Meeting
We bring the entire site team together and walk you through the schedule, site access, and who to contact with questions.
Complete & Closeout
A full walkthrough, our deficiency list, and every warranty and permit handed over — total peace of mind.
More Services in North York
Full-service design and construction — one seamless team from first sketch to final walkthrough.
Office Renovation in North York
Improve existing office spaces with a professional finish that meets the professionalism & functionality of your company.
Learn MoreCommercial Renovation in North York
Full-service construction for commercial projects. Let our in-house design team elevate your brand with custom space design.
Learn MoreCustom Homes in North York
Custom home design and construction on vacant lots or existing properties, with one team coordinating design, permits and the build.
Learn MoreHome Renovations in North York
Upgrade existing spaces with quality craftsmanship to better meet the needs of your family.
Learn MoreMultiplex Conversions in North York
Custom solutions to maximize the return on your property investment.
Learn MoreAging in Place Renovations in North York
We have the ADA design training in-house to ensure your home is ready for your golden years, even when you're not.
Learn MoreCustom Home Additions for Growing North York Families
Navigating the decision to expand your living space in a competitive market like North York requires a balance of architectural vision and structural pragmatism. Whether you are looking to add a sun-drenched family room in Willowdale or a sophisticated executive wing near the Bridle Path, a home addition is a powerful alternative to the stress of moving. Our design-build approach ensures that your new space doesn't look like an afterthought but rather a natural evolution of your home's original character. We specialize in managing the unique structural loads associated with older North York housing stock, ensuring that foundations are properly reinforced to support modern open-concept layouts and large-scale glass installations.
According to Built By Pros Inc. guidance on growth, a well-executed house extension can provide a significant return on investment, with estimates suggesting up to $2.55 in property value gained for every $1 spent over a long-term horizon. This financial upside is particularly relevant in high-value pockets where land cost represents the bulk of the property value. By expanding vertically or horizontally, you maximize the utility of your existing footprint without the transactional costs of selling and buying. Our team works closely with you to identify high-value upgrades, such as master suites with vaulted ceilings or gourmet kitchen bump-outs that serve as the heart of the home.
When planning these major projects, we often integrate other specialized services to future-proof the property. Many homeowners in North York are now considering aging in place renovations as part of their addition, incorporating features like main-floor primary bedrooms or wider hallways during the initial construction phase. This proactive design philosophy ensures that your home remains functional for decades, regardless of changing physical needs. We also frequently handle custom home rebuilds in North York when the existing structure is beyond salvage, but for most, a strategic addition offers the perfect middle ground between a simple remodel and a total demolition.
Local Considerations and North York Regulations
Successful additions in North York are governed by a complex web of municipal rules that vary significantly from one street to the next. The primary governing document for many projects in this area remains the North York Zoning By-law 7625, which sets strict parameters for front and side yard setbacks. For example, in many residential zones, front yard setbacks can range from 6.0 to 12.0 meters, while rear yards generally requires a 9.5-meter clearance. Navigating these requirements in neighborhoods like Don Mills requires a contractor who understands how to apply for minor variances when your dream design conflicts with rigid code.
Compliance with the City of Toronto Zoning By-law 569-2013 is also mandatory for any new construction filed after its enactment. This by-law regulates everything from the height of your roofline to the percentage of soft landscaping required in your backyard. In areas like Newtonbrook, where lot sizes can be narrower, meeting these density and coverage limits is a precise science. If an addition exceeds 100 square meters, homeowners are also required to post a Residential Infill Construction Public Notice on-site, informing neighbors of the work and ensuring transparency throughout the build process.
Climate also plays a major role in North York construction. Our local weather involves extreme temperature swings that can wreack havoc on poorly insulated extensions. We utilize advanced SB-12 energy efficiency standards, incorporating superior thermal breaks and high-performance windows to combat the humid Toronto summers and freezing winters. Proper foundation depth is critical to prevent frost heave, and we ensure all plumbing in new extensions is carefully routed away from exterior walls to prevent freezing. Our experience with local soil conditions, which can range from heavy clay to sandy loam, allows us to design drainage systems that protect your basement and your addition from water ingress during the heavy spring thaws typical of the GTA.
Understanding Home Addition Costs in North York
Budgeting for a home addition in North York involves several moving parts that go beyond simple square footage costs. According to permit experts at BVM Contracting, the main building permit costs roughly $18.56 per square meter for 2026, but this is only the tip of the iceberg. HVAC permits, plumbing fees, and municipal damage deposits can quickly add several thousand dollars to the soft costs of a project. Furthermore, if your design requires a hearing at the Committee of Adjustment for a zoning variance, you should budget for an additional 2 to 4 months of waiting time and associated professional fees for planning consultants or architects.
Material availability in the North York corridor is generally excellent given our proximity to major suppliers, but seasonal pricing fluctuations can impact the bottom line. Heavy winter construction often requires hoarding and heating of the site, which can add 5-10% to the labor and equipment costs. Conversely, booking your build during peak spring and summer months means competing for the best trade specialists. We manage this by locking in sub-contractors months in advance and leveraging our 15 years of industry relationships to ensure consistent pricing for our clients.
Site access is another local variable; a project near the narrow streets of downtown North York might require specialized small-scale machinery, whereas a spacious lot in the Bridle Path allows for larger excavators and faster soil removal. These logistical details are why we provide itemized, transparent quotes. We account for every detail from heritage tree protection requirements (standard in many North York neighborhoods) to the cost of a dumpster permit on a busy public road. By addressing these factors in the design and scope phase, we prevent the 20-30% budget overruns that often plague less experienced contractors.
Neighbourhoods We Serve in North York
Home Additions throughout North York and its surrounding communities.
Real Projects, Real Results
How our team handled the site conditions, structure and systems on recent GTA projects.
Rebuilt Home & Structural Modernization – North York
Executed a complete home rebuild over an existing foundation, installing a heavy steel framework to create open-concept living spaces with tall ceilings.
Read the Case StudyTriplex to Single-Family Conversion
Converted a multi-unit triplex into a cohesive single-family residence, integrating and repurposing three existing electrical panels and mechanical heating systems.
Read the Case StudyWhy Choose Us for Home Additions in North York
Full Permit Management
We handle the entire application process for North York building permits and zoning reviews. Our team navigates the Committee of Adjustment and ensures compliance with Zoning By-law 569-2013 so your project stays on schedule and legal. This removes the administrative burden from homeowners and prevents costly municipal fines.
Design-Build Integration
Our in-house design team works alongside our builders to ensure architectural plans are structurally sound and budget-aligned. By keeping design and construction under one roof, we eliminate the communication gaps that lead to mid-project delays. This results in a cohesive aesthetic that perfectly matches the existing architectural style of your North York home.
Energy Efficient Construction
Every addition we build meets or exceeds SB-12 energy efficiency standards, utilizing high-performance insulation and HVAC systems tailored for the Ontario climate. We prioritize thermal integrity to ensure your new rooms are comfortable in both -20°C winters and +30°C summers. This focus on sustainability reduces long-term utility costs and increases the future resale value of your property.
Home Additions in North York: Your Questions Answered
How long does it take to get a permit for an addition in North York?
A building permit for a zoning-compliant addition typically takes 3 to 6 months including the design and review phases. However, if your project requires a minor variance through the Committee of Adjustment, you should expect to add another 3 to 6 months to this timeline. We recommend starting the planning process at least 9 months before your desired shovel-in-the-ground date to account for these municipal bottlenecks.
What are the setback requirements for additions in North York neighborhoods?
Setback requirements are governed by the specific zoning of your lot, typically under North York By-law 7625. Generally, you can expect a front yard requirement of 6 to 12 meters and side yards of 1.2 to 3 meters. Because these vary significantly by neighborhood, such as in high-density areas vs. luxury enclaves like the Bridle Path, we perform a thorough zoning preliminary review before finalizing any architectural designs.
When is a Residential Infill Construction Public Notice required?
According to City of Toronto guidelines, you must post a Residential Infill Construction Public Notice on your property if your addition is larger than 100 square meters or involves a full house rebuild. This sign must be visible from the street and provides neighbors with information about the project and contact details for the contractor. This is a mandatory step in the permit process for larger-scale North York residential extensions.
Can you build an addition that includes a secondary suite or multiplex unit?
Yes, many North York homeowners are taking advantage of recent density changes to add multiplex units or legal basement apartments during their addition projects. We handle the specialized fire separation, separate utility metering, and egress requirements mandated by the Ontario Building Code for these types of multi-residential conversions. This is an excellent way to generate rental income while increasing the square footage of your primary residence.
Renovation Insights
Tips and guidance from our design and build team.
Navigating Toronto’s Home Adaption Grants for Seniors in 2026
Discover how to access essential municipal and provincial grants for senior-friendly renovations in the GTA. Learn how accessible modifications like roll-in showers and widened doorways enhance safety while increasing your property's long-term value.
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How to Open Up Floor Plans in Older GTA Homes Using Structural Steel
Discover how structural steel beams allow renovators to remove load-bearing walls and create airy, open-concept layouts in older Greater Toronto Area homes. Learn the technical nuances of load paths, subterranean footings, and moisture management that ensure decades of structural safety.
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Converting a Multi-Unit Property Into a Single-Family Home on a Budget
Converting a triplex into an expansive single-family home doesn't require tearing everything down to the studs. Discover how repurposing existing electrical panels and installing hybrid heating systems can save you tens of thousands of dollars on your renovation.
Read MoreHome Additions in Other GTA Cities
Meet the Team
Ricardo Lora
Manager of Operations
Suzanne Morgan
Manager of Design & Sales
Valeria Saenz
Interior Designer
Marco Lopez
Site Supervisor
Let's Talk About Your Project
Contact us for unmatched expertise in home renovations. With experience since 2008, we deliver top-quality materials and superior workmanship — trusted by clients and built on referrals.
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