Are you referring to a total gut or minor changes of tile replacement/ stenciling?painting, upgrades to fixtures, paint changes, etc.?
Hi Kathy, well, you can rip it out and start over, but if that's not in your budget, I have seen people paint both floor and wall tiles in the bathroom with great results. Here are few examples. https://www.hometalk.com/30107044/i-painted-and-stenciled-my-ceramic-tile
Hi Kathy! Here are some helpful links for you to check out. I wish you the best on your project! Let us know how it goes!!