The importance of having “a roof over one’s head” expresses a basic human need for protection against inclement environmental conditions and covers a broad spectrum of human situations. Creating a shelter for oneself is an attempt to exercise control over natural phenomena and socially determined processes, for which purpose man has developed scientifically based rules. Nevertheless, a designer needs insight and courage in seeking a different approach to each new project and in ordering the various constraints in a hierarchical manner, for the planner has to rely initially on his or her creative talent.