Open-concept living has dominated Ontario home design for a decade. The appeal is clear — light flows freely, spaces feel larger, and the kitchen connects to dining and living areas for modern family life.
But converting a traditional floor plan to open concept is more complex than simply removing a wall. It involves structural engineering, permits, trade coordination, and finish restoration. This guide explains what's actually involved so you can plan with accurate expectations.
Load-Bearing vs. Partition Walls
The first question is always whether the wall you want to remove is load-bearing. Load-bearing walls carry the structural load of the floors and roof above. Removing them without proper engineering is a serious structural risk and a building code violation.
Removing a load-bearing wall requires a licensed structural engineer to design a replacement beam — typically a steel or LVL (laminated veneer lumber) beam — to transfer those loads to new posts or columns down to the foundation. Partition walls are non-structural and can be removed with permits and standard procedure, without engineering. Never attempt to determine load-bearing status yourself or rely on a contractor who won't engage an engineer.
The Engineering Process
For a load-bearing wall removal, the sequence is: a structural engineer assesses the situation and designs the solution ($1,500–$3,500 for engineering fees), drawings are submitted for a building permit (4–8 weeks processing in most Ontario municipalities), the beam is installed with proper connections and bearing, and mandatory inspections are completed.
Total elapsed time from hiring the engineer to permit approval and construction is typically 6–12 weeks. Rushing this process is not possible — permit timelines are set by the municipality. Plan accordingly.
What It Costs
Load-bearing wall removal in Ontario typically costs $12,000–$35,000 depending on the span of the opening (longer beams cost significantly more), the floor system above, whether columns or posts are required and how they're finished, and the extent of finish restoration.
Partition wall removal is more straightforward: $2,000–$6,000 including permits, demolition, and restoring drywall, flooring, and ceiling finishes. In either case, these costs include engineering (where required), permits, structural work, and all finish restoration.
What Else Changes When You Open Up
Opening up a floor plan affects more than structure. HVAC ductwork that runs through the removed wall must be rerouted — sometimes requiring significant changes to the duct system. Electrical circuits in removed walls must be relocated to adjacent walls or the ceiling. If there is plumbing in the wall, as is sometimes the case between kitchen and dining areas, the scope and cost increase significantly.
A thorough pre-renovation assessment by an experienced contractor will identify these hidden factors before quoting, so your budget reflects reality rather than just the wall removal.
Is Open Concept Right for Your Home?
Open concept works brilliantly in some homes and less well in others. Older homes with many small, compartmentalized rooms often benefit dramatically — the transformation in light and livability can be remarkable. Larger homes with already-generous room sizes may lose intimacy without gaining meaningful usable space.
Consider your lifestyle honestly: do you want kitchen smells and sounds to travel freely through your living area? Do you need acoustic separation for a home office or a quiet homework space? Do you have young children who need a contained play area? A good designer will walk you through these trade-offs honestly, rather than simply validating the trendy choice.
Our Approach at Campoli Custom Builds
We've completed dozens of open-concept conversions across Barrie, Lake Simcoe, and the GTA. Our process includes a thorough structural and mechanical assessment before any proposal — so you receive an accurate scope and realistic budget before committing.
Contact us to discuss your open-concept project. We'll walk the space with you, identify what's involved, and give you a clear picture of costs and timeline.