Home Additionsin Greater Montreal
Add a garage, sunroom, second floor, or rear addition. We manage structural engineering coordination, permits, construction, and all interior finishing - under one contract, across Montreal and the South Shore.
The Problem We Solve
Why homeowners in Montreal choose us
Home additions combine structural design, foundation work, exterior integration, mechanical connections, zoning, permits, and staged construction. A useful feasibility review should address the specific property before a layout, budget, or schedule is treated as final. This is especially important for rear extensions and second-floor additions in Montréal, Brossard, Longueuil, Westmount, and Outremont, where requirements and site conditions vary by address.
This service is available to homeowners in Brossard and the surrounding area.
Who This Service Is For
Is this right for you?
- Homeowners who need more space but do not want to move
- Families adding a garage, second floor, or rear extension
- People building a sunroom or enclosed outdoor space
- Homeowners creating a home office, studio, or workshop attached to the home
- Anyone who needs more square footage in a market where moving is expensive
Why Choose Apex
What you get with our home additions service
Structural Engineering Coordination
We coordinate with qualified engineers for foundation and structural design as required by Montreal building code.
Permit Planning
Likely applications, documents, and inspections are identified during planning, with responsibilities recorded in the written scope.
Exterior Matching
We match exterior cladding, roofline, and windows to your existing home for a seamless result.
Full Interior Completion
Insulation, drywall, electrical, heating, flooring, and all finishes are included.
One Contract
Foundation to finish, under one contract with one project manager and one point of accountability.
Property-Specific Review
Zoning, setbacks, lot coverage, access, drainage, and existing construction are reviewed for the specific address.
How It Works
Your renovation process, step by step
Discovery Call
We discuss your space needs, property constraints, and budget range.
On-Site Assessment
We review your property, assess structural and zoning considerations, and discuss design options.
Scope and Estimate
A detailed estimate covering engineering, foundation, framing, exterior, interior, and finishes.
Permit and Engineering
Structural documents, likely approvals, and application responsibilities are coordinated for the proposed scope.
Construction
Foundation, framing, exterior envelope, mechanical rough-in, insulation, and interior finishing.
Final Inspection and Walkthrough
All inspections passed and a complete walkthrough before project close.
What You Can Expect
A clear service process without pressure
Fast response
You should not have to chase a contractor to get an answer.
Clear estimate
You know what is included, what is not, and what can influence the budget.
Our workmanship commitment
The written scope defines the work, project responsibilities, and the process for reviewing outstanding items before final handover.
- Detailed written estimates
- Scope and exclusions documented
- Clear communication
- Clean job sites
- Dedicated contact
Ready to get started?
Book a free consultation. We visit your home, assess the space, and give you a detailed written estimate - no obligation, no pressure.
Get Your Free EstimateWhere We Work
Home Additions across Montreal
Planning Resources
Plan scope, permits, and budget
Common Questions
Frequently Asked Questions
How much does a home addition cost in Montreal?
Do I need a permit for a home addition in Montreal?
How long does a home addition take?
Can you match the exterior of the addition to my existing home?
How are zoning and setback requirements addressed?
What is the difference between an addition and a home extension?
Related Services
Other renovation services in Montreal
Ready for your home additions in Montreal?
Book a free consultation. We will visit your home, discuss your vision, and give you a detailed written estimate - no obligation.