The answer varies greatly depending on the level of finishes, use of the new square footage, construction type, etc.
Here is a link to a developing series on defining project cost. I highly recommend it:
http://meandyourhouse.com/2010/01/defining-remodel-cost/
Good luck!
The cost of construction per square foot is the same as the cost of an automobile per inch of length.
The cost per square foot to build such a relatively small living space is higher than most people expect it to be. The cost of a home addition compares to the current cost of building a small house. Carl Heldmann
The average cost per square foot for unfinished construction varies according to the location. Some areas are about 135 dollars per square foot while others are higher.
The average construction cost per square foot in central Virginia is about $125. This means a 200 square foot building would cost about $25,000 to build.
Around $2.00
$200.00 is the average square foot cost for 12x14 home addition.
The average construction cost per square foot for a building addition in Ocean City, Maryland is about $130. This means an addition of 100 square feet would cost about $13,000 to build.
The cost of construction per square foot is the same as the cost of an automobile per inch of length.
The cost per square foot to build such a relatively small living space is higher than most people expect it to be. The cost of a home addition compares to the current cost of building a small house. Carl Heldmann
It depends on state,city,area and location
The average cost per square foot of residential construction in the state of New Mexico is between $150.00 & $200.00 a square foot. Upgraded amenities can make the cost per foot higher.
135-150 per sq feet.
The average cost per square food to build a home in Washington State is an estimated $118.95.
The average cost to add a two bedroom addition to your home is 20,000 dollars. It can cost more depending on the size.
It will cost around 30,000 dollars depending on quality of materials and labor. You can get bids and pick the lowest one if you wish.
400 square foot piece of carpet price 400 square foot piece of carpet price
$2,906.89