How Much Does it Cost to Renovate a Basement in the Greater Montreal Area

For a complete basement renovation (700 sq. ft. or more), costs begin at approximately $70 per sq. ft., with an average of approximately $75 per sq. ft. These costs include:

  • Moderate demolition/stripping
  • Rough joint work
  • Electricity
  • Drywall and joint sealing
  • Floor covering
  • Finishing joint work
  • Trim
  • Painting

Points to Consider That May Affect the Cost of Construction:

  • Expansion and/or replacement of an opening (door, window)
  • Construction of a new stairway
  • New finishing work on the existing stairway
  • Addition of a bathroom
  • Repair of the slab
  • Insulation of existing walls
  • Sound-proofing of walls and ceilings
  • Significant demolition work
  • Demolition and/or modification of load-bearing walls (addition of beams and columns)
  • Excavation and/or waterproofing work
  • Access to the worksite
  • Age of the building
  • Choice of finishing materials