Variety is the spice: To add visual interest to a room, incorporate different types of furniture with a variety of characteristics. From sectionals, to armchairs, to side tables... every object will inform the energy and overall feel of the room.
Size matters: The dimensions of a room – and the furniture within it – all influence "scale." When furnishings are out of scale, it creates a lack of harmony that you can sense the moment you enter the room. Paying attention to the size of pieces relative to one another and the room itself is a key consideration.
Balancing act: Furnishings that are arranged in a symmetrical or balanced way can add a sense of "calm," while asymmetry can lend a bit of drama. The feeling that you’re looking to create in a specific room or space will influence the direction you choose to go.
Measure twice, buy once: from a logistical perspective, be sure you can get the piece of furniture to and from the room where it will live before you commit to it. Take into account the dimensions of hallways, doorways, stairs... how will you get the piece where it belongs? Because if it comes down to furniture vs. walls, there are no winners!