A penthouse is on the top floor of a high rise apartment and has numerous rooms. They have a luxury utility. Modern Penthouse Designs are usually sleek and comfortable. The open modular kitchens with expansive sitting areas are very regular in penthouses. A penthouse has a lot of space and scope for modern experiments. One can go edgy with lots of do-it-yourself ideas or can decorate the space up with custom made furniture pieces. Wide windows and glass doors are interesting features that make the penthouse even bigger and spacious. Glass ceilings makes the nights sky visible and is a beautiful effect.