How to calculate the cost of rebuilding a home

Written by carol reeves
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The thought of rebuilding a home can be very scary to many people because of the variables involved. The biggest variable that many people worry about is the cost of rebuilding a home. There are many different ways to calculate the cost of a home. The cost of rebuilding a home should be calculated during each phase of design. The easiest method is using the cost per square foot.

Skill level:
Easy

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Things you need

  • Calculator
  • Architectural scale

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Instructions

  1. 1

    Measure the size of each room using your architectural scale If you have a set of floor plans already,

  2. 2

    Make a list of all the sizes if you do not have a set of floor plans already but know the approximate sizes you want each room or space to be.

  3. 3

    Calculate the square footage of each space by taking the width and the length of each room and multiplying them together. You should round up to the nearest foot. For example, an 11-foot-4-inch-by-10-foot-3-inch room would be calculated as a 12-foot-by-11-foot room.

  4. 4

    Multiply the square footage of each space by the cost of construction, which is typically around £78 to £130.

  5. 5

    Add the cost calculated for each space to get your total rebuilding cost for your home.

Tips and warnings

  • Keep in mind this is an approximate cost.
  • This will not include the soft cost, which includes architectural and engineering fees or permits and inspections.
  • The approximate square footage costs will vary depending on your location and what type of construction you choose.
  • An accurate budget cost can be calculated once you have the house designed and many of your fixtures, appliances and type of construction chosen.
  • If you calculated your home to be 2000 square feet, then you would multiply 2000 square feet by £130 to have a total rebuilding cost of approximately £260,000.
  • This should be used as a preliminary budget cost.
  • If you are rebuilding an existing home and attaching an addition to an existing part of your home, the existing reconstruction may have a lower cost per square footage cost than the new rebuilt area.

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