The first photo shows a very narrow bathroom that has concealed storage in a cabinet with sliding doors. In the other examples, people have found storage space on available surfaces, including a mirror ledge and toilet top, and by squeezing in shelving above the toilet and in nooks. Another interesting solution — and an alternative to a cabinet — is the use of a chair to hold towels (Image 5).
(Images: 1. Michael Graydon for Style at Home 2. Elsie Marley 3. Leela Cyd Ross for Apartment Therapy 4. Lonny 5. Rachel Grad for Apartment Therapy 6. Ikea Hackers 7. Sarah Richardson via DecorPad 8. via Desire to Inspire 9. Rebekah Zaveloff 10. Country Living)