This could work in a tiny bathroom. Love the tiled floor/painted wall combo and the fact that the tiles in the shower match the wall colour but are different from the floor. The niche for storage works well for us too.
Wood floors/ transition to tile in shower image of a refurbishment in Buckinghamshire, posted by Interior Therapy, has been saved more than times by Houzz users. The classic but modern space features grey tiles and a personal typography poster on the wall