Natural Contemporary House Idea, White Perrin House by Dock4 Architecture. A unique building, blends with the terrain of land in hilly areas. This house is called the White House who has completed Perrin created by Architecture Dock4 based in Tasmania, Australia. This house was built with natural building form, wood-paneled surroundings. These homes tend to have characteristics typical of contemporary homes. The interior was created with a simple, where all the furniture that is designed with wood. From every room house, a view which is taken to east, while a 5 star energy efficiency rating is achieved through careful attention to the journey of the sun and high-value double glass and insulation.