Allow more light to enter the living room by using light curtains. If possible semi transparent curtains that are ample to reduce glare that has to be caused because of direct sunlight, instead of using heavy looking "valances" use proven and. Use brighter color schemes commonly known as "hot" color schemes. These create a very good transmission and reflection of natural as well as artificial light inside the living room. There exists one more different method to defining the perception of the living room (or any interior space) and that's the empty volume left out after all the furniture together with other accessories have been fitted. Because anything in your living world is often "relative". The perceived volume is always relative to the empty volume that is definitely normally used for circulation. The more empty volume you get, the bigger the room will look.