Comprehensive Outline of Garage Conversion Exterior Work

The Beginning

🧱 Garage Door Removal & Wall Construction

  • Remove the garage door and all related hardware.
  • Frame a new exterior wall in place of the garage door.
  • Install sheathing, insulation, and vapor barrier.
  • Finish with exterior siding, cladding, or brick to match the rest of the house.
  • Possibly add windows or an exterior door, this will be the client’s preference.
  • This will be matched to the other windows of the house, so the garage conversion blends in seamlessly.
Garage door removal for a garage conversion

🪟 Windows & Doors

  • Add or adjust windows for natural light and to meet the building regulations.
  • Install a new entrance door if needed, such as for a separate entrance to gain access into the main house.
  • Exterior trim and flashing work to ensure waterproofing and proper sealing.
  • Most times the window gap will be boarded up until the actual window comes to be fitted in one day.

🪨 Foundation & Concrete Work

  • If converting a detached garage or upgrading the foundation:
    • Level or raise the floor to match the house interior height.
    • Add insulation under new slab or over existing slab (depending on regulations).
    • Fix or pour new footings if the existing slab isn’t up to code for habitable space.
    • After this is done the outside concrete will be Skimmed and the finishings will be done to the brick work to match the rest of the house.
Foundation and concrete work for a garage conversion

🏠 Roofline Adjustments

  • Extend or modify the roof eaves or fascia to match the main house.
  • Ensure proper gutters and drainage.
  • Re-roof parts of the garage if tying it into the main structure.
  • This work is rare as most garage Conversions done the window is not up near the roof line.

💡 Utilities (Outside Work)

  • Electrical: Bring new service from the main panel or upgrade the panel.
  • Plumbing: Trench from the house to bring water and sewer lines.
  • HVAC: Run ductwork or install a mini-split unit (may require an external condenser).
  • Gas lines: If needed for heating, water heater, or cooking.
  • These are all done at the start of the Garage conversion.

🌧 Waterproofing & Drainage

  • Improve grading around the garage to prevent water infiltration.
  • Install or upgrade drainage systems (e.g., French drains).
  • Add flashing and weatherproof membranes around new windows/doors.

🎨 Exterior Finishes

  • Blend the new wall and window/door trims with existing house style:
    • Paint, stucco, siding, or brickwork.
  • Possibly rework entire garage facade to look like part of the main home.
  • Leaving a seamless finish with colour and texture match to the rest of the exterior house.
Exterior finish of a garage conversion

📋 Permits & Inspections

  • All exterior work typically needs permits:
    • Structural, electrical, plumbing, and zoning approvals.
  • Inspections are often required at various stages, especially for exterior changes affecting structural integrity or utilities.
  • This will allow the house in the future to be sold, and it all be passed off legally.

Optional:

  • Landscaping adjustments after excavation/trenching.
  • New steps or porch if a door is added where there was none.
  • Exterior lighting or security cameras.
Exterior lighting or security cameras for a garage conversion
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