The planning of internal spaces is important to insure the space meets the requirements of the user or inhabitant. Interior spaces of a building have to be carefully planned and designed to get optimum usage of the space available. The goal is to have no dead spaces. Dead spaces are financially draining and useless. By acquiring the correct requirements from the inhabitant, designing the spaces to best suit, should result in optimum space usage. No matter the function of a space, whether it is for corporate, retail, hospitality or domestic use, all spaces go through a planning phase in order to be functional and successful.