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Main cost categories of your room addition

Room addition and renovation tool
  • This includes site survey, soil testing, excavation, grading, and other site-related work required for the addition

  • This includes pouring the foundation, installing footings, framing, roofing, and other structural work necessary for the addition

  • This includes siding, roofing, windows, doors, and other exterior finishes to match the existing house

  • This includes insulation, drywall, flooring, paint, and other finishes for the interior of the addition

  • This includes installing new heating, ventilation, and air conditioning systems

  • This includes work for lighting, outlets, and appliances

  • his includes installing new plumbing fixtures, piping, and connections for the addition

  • This includes decorative finishes, such as trim work, paint, flooring, and cabinetry, to complete the look of the addition

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