Furnish Your Living Room in Style

Room Proportions:
Before buying any furniture for the living room, determining the appropriate proportions that suit the space is vital to avoiding an odd look in the living room. Take a measuring tape and find out the dimensions of the living room.
In general, a large living room requires larger furniture while a small living room should have smaller furniture. Keep in mind that in a smaller space, it might look best with two small pieces of furniture rather than a large couch. In some spaces, even having a few different chairs rather than a sofa and loveseat might suit the room better or having a small couch with two armchairs on each side. While the ultimate decision of which furniture suits the room best is a personal choice, keep the rules relating to the furniture size in mind. Too large furniture crowds a small space while too small furniture leaves too much open space in a large room.
Quality:
Quality in furniture will often dictate the cost. A high quality piece of furniture is going to be more expensive than lower quality pieces. In general, high quality furniture will last longer than it's lower quality counterparts and should also retain its' value (if looked after). The finish will also be superior (due to materials used, i.e. leather as opposed to plastic etc), however that doesn't mean that cheaper furniture can't look good and last with value for money. Make sure you budget your money for furniture spending, you don't want to end up with just a beautiful Jacobean table, and nothing to sit around it!
Appearance:
The look of any furniture piece varies widely based on the type of wood used, whether you it's a dark look like mahogony, or a lighter pine, or even natural for you to stain it. Of course materials are used on the such things as chairs and couches, (and there you get an enormous choice of colours / textures), but you must make sure your woods match up. You don't want a room with 5 different types of wood scattered around, unless you are going for that 'picked it up as I went along / not planned' style! Determine the type of look you prefer before shopping. 
Sitting on the Chairs and Couches:
One of the keys to furnishing a living room in style is the comfort of your furniture. Uncomfortable furniture may look great, but it does not invite family and friends to relax and enjoy the setting. 
While this may be the third consideration on the list when buying your living room furniture, it is no less important. People like to relax on furniture nowadays and not sit straight backed as if in a Victorian sitting room. The harder it is to get out of the chair, the more comfy it is (of course not physically harder, that would imply a very deep seat!)
Conclusion:
Furniture is a personal decision, but some keys to a stylish and comfortable living room is paying attention to aesthetics. The furniture does not need to exactly match, but it should look good together and should fit in the room comfortably. Measure the room, measure the furniture, use your imagination and pick out something you find comfortable for the best living room décor style.