Major renovation
Renovating a Duplex in Montréal: 5 Decisions to Make Before You Start
Renovating a duplex in Montréal: the 5 decisions to make before you start (scope, structure, units, permits and budget).
Read the article →Major renovation
Expand or Reconfigure? Costs and ROI in Montreal
An addition at $250 to $550 per sq. ft. or a reconfiguration at $100 to $300? Costs, permits, ROI and neighbourhood fit: Groupe Cartier's benchmarks before you build.
Read the article →Custom-made furniture
Custom Cabinetry in Montreal: What It Is, What It Costs, What You Can Do
Bookcases, storage, built-in furniture: what custom cabinetry can do for your home, the steps involved, and what it costs.
Read the article →Interior design
Maximizing Space Without Expanding: 9 Strategies
9 designer strategies to maximize the space in your Montreal home without expanding: opening up walls, Miralis storage, costs and advice.
Read the article →South Shore
Turnkey Renovation on Montreal’s South Shore
Turnkey renovation on Montreal's South Shore: Boucherville, Saint-Bruno, Saint-Lambert and Brossard. Costs, timelines and Groupe Cartier's expertise since 1998.
Read the article →Prestige neighbourhoods
Renovation Costs in Westmount, Outremont and Town of Mount Royal
Explore realistic budgets, heritage constraints and permit requirements for renovating a home in Westmount, Outremont or Town of Mount Royal.
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6 Steps to Keep Major Renovation Costs Under Control
Explore the 6-step Groupe Cartier process for a major renovation in Montreal and see how each stage protects your budget and project timeline.
Read the article →Trust & certifications
What Do the RBQ, APCHQ and CCQ Certifications Guarantee for Your Project?
What the RBQ, APCHQ and CCQ credentials actually guarantee for your project, how to verify them before you sign, and why they protect your budget.
Read the article →Custom-made kitchens
How Much Does a Custom Kitchen Cost in Montreal in 2026?
The definitive pricing guide: custom Miralis kitchens, Cosentino countertops, cabinetry materials, and resale return on investment.
Read the article →Major renovation
Turnkey Major Renovation Cost in Montreal in 2026
The definitive budget guide: cost per square foot, real examples by home type, and strategies to keep control of every dollar.
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