Small Dog Room Ideas. Small Under Staircase Dog Room Ideas. Pooch Pad Dog Room Ideas. Room Designs For Dog. If you have an area under your stairs that you can use for a dog kennel, it can be one of the most efficient uses of space in your home. Instead of having a random dog kennel hidden in a room somewhere, you can use that forgotten haven for your pup’s new palace and keep your home streamlined and sleek. The following images should pique your interest.