Diy Dog Room Under Stairs . Thankfully, it was cheap and easy to build. Next, cut the door using a jigsaw. hondenbedden onder trappen Vogels Hondenbedden onder trappen under from www.pinterest.com Find the roof angle, cutting the circular saw on two side pieces. To supply and design it, you need to ensure the size of the dog house is built. But if you have a pet dog at your home, you will obviously have to arrange for a separate place for your dog.