Southwestern Style and Design Ideas for Your New House Home Decoration Home Furniture Home Improvement by Brooke Chaplan - September 3, 2014 Decorating in Southwestern style - Design Ideas for Your New House Decorating in Southwestern style often stirs up images of warm colored homes in the southwest U.S. with terra-cotta rooftops and adobe walls. This particular style works to bring the outside in by using natural materials including wood and clay for