House Expansion

Two white garage doors on a gray building with a brick driveway and brown roof.

Why Choose an Expansion
over Moving?

Think about the savings: no brokerage fees, no movers, no new furniture. Stay close to your school, your friends, and your routine. With our turnkey service, we transform your current home into the spacious home of your dreams.


GDC carries out your home extension projects with 10 years of expertise and a service focused on your satisfaction. Trust us in Vaudreuil-Soulanges and in the West Island of Montreal.

Wooden frame of a balcony under construction, with a partially built house and cloudy sky.

Improve your daily life.

Empty room with hardwood floor, gray walls, white trim, and sunlight streaming through windows.

New Floor

A new floor maximizes your property without encroaching on your yard. Whether you need an extra bedroom, home office, or family room, add the space you need vertically with safe and compliant construction.

  •   ●   Structural assessment

      ●   Construction of the new structure

      ●   Roofing and waterproofing

      ●   Thermal and acoustic insulation

      ●   Exterior and interior cladding

      ●   Electrical and plumbing

      ●   Windows and doors

      ●   Interior finishes

      ●   Coordination with structural engineers

Gray garage door with upper windows, flanked by sconce lights, set in white siding.

Garage Addition

A garage protects your vehicles from Quebec's harsh weather while adding valuable storage or work space. GDC builds garages tailored to your needs and the architectural style of your home.

  •   ●   Design according to your needs

      ●   Structure and framing

      ●   Roof

      ●   Matching exterior siding

      ●   Garage doors

      ●   Electrical and lighting

      ●   Complete insulation

      ●   Interior finishes (if needed)

More space awaits you.