Built-in bunk beds is a great idea to preserve space. The built-in book shelves also help to create more storage for toys, books and etc. The first step of the ladder has been eliminated in order to add under bed storage/trundle.
My dream interior design is Anthropologie! I love the eclectic and worldly whimsical style! I chose this image because its both feminine and masculine, which I love an equal mix of both for my style! I also love the architectural design.