Narrow enclosed staircase. With a small staircase, you don’t want to place anything on the steps or the landing, as it will just hinder movement up and down the stairs and make the space seem smaller. Instead, choose a potted plant or other decorative touch to place at the top and bottom of the stairs. This can highlight the entrance to the staircase without taking up room on the stairs. Small sculptures, a flower arrangement on a decorative pedestal.