
Expertly designed structural expansions to increase property value and functional space in Scarborough.



We handle complex TRCA and Urban Forestry approvals specifically for Scarborough ravine properties. Our team navigates the City of Toronto Committee of Adjustment to secure variances for maximum building height and lot coverage, preventing project delays.
Our designers specialize in matching the unique masonry and styling of Scarborough's traditional bungalows with modern expansion techniques. We ensure your addition enhances your home's curb appeal and preserves its structural integrity through expert engineering and material selection.
We provide detailed, itemized quotes that reflect the $150–$350 per square foot standard for high-quality Scarborough additions. By focusing on smart design, we maximize your ROI and provide a cost-effective alternative to buying a new home in the competitive GTA market.
We begin by reviewing your property's zoning and potential TRCA restrictions to determine the maximum footprint allowed. This critical step prevents design work on additions that won't pass municipal approval, saving you time and money. We assess your foundation's strength and soil stability early on to ensure structural viability.
Our architects and structural engineers draft detailed plans specifically designed to meet the Ontario Building Code and Scarborough's unique wind and snow load requirements. We manage the submission process through the City of Toronto, addressing any queries from planners regarding setbacks or ravine protections. This ensures your project is fully legal and protected.
This phase involves the excavation, foundation pouring, and framing of your new addition. We prioritize weather-tight construction to protect the existing portions of your home during the breakthrough. Site supervisors perform daily checks to maintain safety and verify that every beam is placed exactly as specified in the engineering drawings.
Once the shell is sealed, we complete the rough-ins for HVAC, plumbing, and electrical before moving to insulation and drywall. This final stage is where we match floors, paint, and trim for a seamless transition. We conclude with a detailed walkthrough to ensure the new space exceeds your expectations and meets our rigorous quality standards.
In Scarborough, standard building permit applications typically take 4–8 weeks. however, if your property is near the Bluffs or a ravine, TRCA and Urban Forestry reviews can add 3–5 months to the timeline. We recommend starting the design and permit phase at least six months before your intended construction start date.
Generally, yes. Adding space costs roughly $150–$350 per square foot, whereas purchasing a new detached home in popular Scarborough neighborhoods often exceeds $1,000,000. When you factor in the 5-6% cost of selling and moving, an addition is a highly cost-effective way to gain space while retaining your current mortgage and lifestyle.
Yes, a current legal land survey is almost always required for the permit process to ensure the addition complies with setback requirements. If you don't have one, we can coordinate with an Ontario Land Surveyor. This is crucial for determining lot coverage and avoiding encroachment issues with neighbors or municipal easements.
Absolutely. We source materials from various local suppliers to find the closest match for historical Scarborough brickwork and siding. While exact matches for 50-year-old materials can be challenging, our design team uses transition techniques, such as complementary trim or modern accents, to ensure the new addition looks harmoniously integrated.
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Learn MoreWe needed a 200-square-foot rear addition to accommodate a new master bedroom and en-suite. Built By Pros managed the entire TRCA permit process which was a nightmare for us to even think about. They finished the project in just under five months, and the custom scalloped tiling in the new bathroom is exactly what my wife wanted. The team was professional and kept the site remarkably clean despite the heavy excavation work needed near the ravine.
Built By Pros added a second-story addition to our bungalow last summer, doubling our living space without making us leave our neighborhood. The project involved complex structural reinforcement of our foundations, but Ricardo and his team handled it with ease. They were on site every day from 7 AM, and Suzanne's design for the new wooden staircase with glass railings is the highlight of our home now. We finally have the four bedrooms we needed for our family.
Our project was a side addition for a dedicated home office and separate guest entry. The quality of the brick matching was incredible; you can't even tell where the old house ends and the new section begins. They completed the work on budget and even helped us navigate a tricky permit issue regarding our property line. After four months of construction, we have a beautiful, functional space that has totally changed how I work from home.

Ricardo Lora

Suzanne Morgan

Petra Tobias

Stronger Together

Bastian Zuniga

Marco Lopez
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.