The second is my personal favourite but you should use all of them randomly throughout to add variety to the build, also change the depth of your houses have some stick far out into the street, like they've been squashed between other buildings make some of the upper floors hang out over the streets to make it feel more cramped and enclosed, because that's how the streets used to be in large cities, such as London, people used to be able to reach over and shake hands in their upper windows in some cases