This is a nice-looking living room with smaller rug. Perhaps the key is to frame the rug with sofas / sofa and armchair combo / sofa and the window. And another trick is to fill up the room so the size doesn't look awkward.
Wall of windows. The windows caught my eye which they are beautiful but check out the fireplace. They used a piece of glass instead of traditional tile! I am keeping that idea in the top of my must have list.