Effective Ligthing
Artificial lighting thrown onto the surfaces of a room from different heights and angles it can really changes it apparent dimension. Often, in order to set the right mood, lighting need to be unobvious.
Space with too much light is bland. Central pendant as the main source of light in their sitting room, can be harsh, but by combining table lamps and other sources of lighting, a totally different atmosphere can be achieved.
Good lighting design means flexibility. You can change a room at the flick of the switch from a bright, functional space to an intimate area.