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.
Related articles: The ultimate guide to extending your home | 10 ways to cut the cost of your extension. How much will an extension cost? There are many factors involved in costing an extension project, from the size of the project right down to the quality of the paint you use on the walls. For a basic breakdown of average extension prices, follow these guidelines: From Â£1,500 per mÂ² for basic construction work, up to Â£3,000 per mÂ² for high-spec materials. If youâre adding bi-fold doors, allow Â£1,400 to Â£1,800 per metre for these. Small extensions, under 15â20 square metres, have higher costs per square metre. Clay, peat, lots of nearby trees and sloping ground will all increase foundation costs.