The Cost of a Room Addition

Most customers have a pre-conceived idea of how much their room addition will cost. The truth is that most customers guess the price of their addition to be 50% to 80% of the actual cost. A standard room addition will initially run 100.00 per square foot up to 150.00 per square foot with the size and design being the variable. There have been quite a few additions be in the 200.00 plus per square foot range.

The bases for the difference in square foot price has many variables, being existing home structure and design for tying in the new addition, complexity of the roof design, what the exterior of the existing home is made of and finally what the interior of the addition will have in it. There have been customers that decrease the size of the addition to bring the price down but when the project is so small, there is a point at which decreasing the size makes no difference.

It takes a certain amount of effort to start and run a project and also to meet minimums for subcontractors and suppliers. The plus for small additions is to increase its size will have a very small effect on the price. Typically we refer to a small size being 150 square feet or less with these being in the 200.00 per square foot price range. The 100.00 to 150.00 dollar price range usually works in the 300 square foot and above in size. The price also increases with the square footage price with the adding of exterior projects such as porches, decks and landscaping packages. This of course does not add to the square footage of the project but does drive up the square footage price. This pricing does not include any bathrooms or kitchens with it, as this is its own project inside the addition.