Entry foyers account for 3.4 percent of the finished area on average.
Kitchens get about 11.9 percent of the space in small homes, versus 11.1 percent of the space in larger ones.
Dining areas account for 7.8 percent of the space in small homes and 7 percent of the space in larger ones.
The family room accounts for just over 11 percent of floor space in small, average, and large size homes, while the living room accounts for nearly 12 percent of the space in the small home and 7.5 percent in the large one.
Complete details, including tables showing how often builders include various types of rooms in new homes and the size of the rooms in square feet, are available in the October 1 Special Study published by NAHB in HousingEconomics.com.
View this original post on the NAHB Eye on Housing blog.