Comfort Light Penthouse Apartment Interior by Robert Mills Architect. An apartment that has a design element of the space a warm and soft colors. Apartment also has a very bright room light, the color of the walls created with a charming white creations, providing an attractive aura. This apartment space designed by architect Robert Mills. Apartment stand on the development of South Yarra and features outstanding views of the busy Melbourne city skyline. White surface and ground limestone can be found throughout the apartment, including all the living room, bedroom and bathroom. Most of the built-in storage space so they do not ruin the look and interior airiness.