Credit: Levander Lab/Rice University. A team of scientists led by Rice University has figured out why the Colorado Plateau -- a 130,000-square-mile region that straddles Colorado, Utah, Arizona and New Mexico -- is rising even while parts of its lower crust appear to be falling.
back to estimates list. A ground level house extension in Australia costs around $1,400-1,500 per square metre. When house prices are high, as they are in many parts of Australia at the moment, adding a room or extending your living area on the ground floor can be a more affordable way to create space than moving.
Custom homes typically cost twice as much to build as existing homes in the same area, plus the cost of the land. The national average cost of building a two-story, 2,500 square-foot home is $125 per square foot. This estimate includes mid-range materials, efficient windows and doors, turnkey finishings and appliances. It does not include the cost of land or furnishings.