Remodeling your home in a dream may point to deep psychological work and attitude changes that are in progress. Thus, intenor design work represents planning by bnngmg in new ideas about yourself that may change your self- concept.... Ariadne's Book of Dream
Dreams of interior design are symbolic of your sensitivity to the space that surrounds you, whether it be the physical space or the people with whom you associate yourself.
If the space around you feels good, then this represents that you have created a life that works for you.
If the space around you is displeasing, then your dream is alerting you to make changes in your life. Consider the feeling tone of this dream as well as the room(s) being redesigned. See House, Home and Feng Shui.... Strangest Dream Explanations