More space within the enhancement means higherheating and also cooling down expenses, even more windows to wash and seamless gutters to clean, raised real estate tax, as well as extra home to tidy. Studies reveal that almost all of the expense of a mid-range two-story enhancement may be recovered at thetime of sale. The essential phrase, "may be recovered," implies that there is no way of anticipating the real estate market years ahead of time. It is typically less costly to build an enhancement than to purchase a new residence that equates to the area of your existing residence plus an addition.