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.
Councils get submissions for house extensions regularly and have calculated the average costs. As a rough guide, expect to pay: Keep in mind that these are averages only. A timber ground floor extension in one home might cost $1000m2 and $1500 in another home.his guide to the cost of house extensions will help you take everything into consideration and not overlook anything. Â©Danny Broe Architect. If you are going to be adding on a major extension, you might want to start by finding a building consultant in your area and making use of their expertise.