Every family's lifestyle varies. Not lives are exactly the same. Features that newlyweds want in a house are completely different from those of a family of six or a retired couple.
Because of this, it's important for you and your family to come up with a list of what is important to you in a home, not only now but in five years, in ten years and in twenty years.
There are several major topics to think about and discuss with anyone who will be living in the house that is old enough to help make decisions.