An interior designer turns the best of client requirements into reality; his/her expertise added to it. Things are easier said than done when we say it�s all about managing a bit of space. Of course, it is easier to project and process your thoughts into utilizing the given space but there is a lot of engineering and ergonomics involved, most of which can be solved by an efficient interior designer. Architects can design the structure as a whole, but even architects need consultants. An interior designer has a bit of an architect in him and a thorough knowledge of the process of design and construction in general.