Home Organization: Stairs doubling as drawers. Modify your stairs so that each step can also hold a drawer for extra storage of all your stuff. The things you put inside would have to be of the occasional-to-rare use since these look like a pain to have to deal with on a regular basis.
Take a ladder shelf and left out the bottom 2 rows to fit perfectly over the toilet. This could make for extra storage space without looking too bulky. http://hative.com/over-the-toilet-storage-ideas-for-extra-space/