Powder rooms are great for DIY because they’re small, they don’t have as much plumbing as full baths, and they’re a space in your house that lots of guests get to see. Because they’re small and often tucked away, secondary to a living room or kitchen, they present the perfect opportunity to add real surprise factor and go bold with wallpaper, texture hardware, and fun light fixtures. As homeowner and interior designer Erin Haugerud (of EH Design Co.