Most builders can give you an idea of what your extension will cost per square foot or metre. For example, a basic single storey extension would typically cost around Â£1,000 per square metre but it could be up to Â£1,600 or more for a premium two storey extension.
An athlete usually needs at least 1,000 calories beyond the average person's diet. Photo Credit Jupiterimages/liquidlibrary/Getty Images. Physical exertion requires a large amount of energy, which means that athletes need to consume more calories than the average person.
While calories burned during swimming vary due to the intensity of exercise and weight of the swimmer, the average calories the sport requires per hour is between 423 and 632, according to Mayo Clinic. To lose a pound of fat, an individual must burn 3,500 more calories than he consumes.