Attached stairs are perfect for more types of home. First of all, if you live in a small apartment and you need more space, those are perfect for you. That is because they do not take much space, they are only connected to the wall(Wall Attached Stair Tips and Details), they do not have risers and handrails. Also, if you want to renovate your apartment and turn it into an home with an industrial style, these stairs will be the perfect match. Generally, you can combine and pick the materials, from steel to concrete.