Replace the shower doors and tub.
Replace the fixtures in the bathroom. By doing this, you are giving your bathroom a new lease of life.
Replace the showerhead. Shower massage towers are popular and make showering an incredible experience. Or replace it with a regular massage shower head. Either one will add value to the bathroom.
Do some changes on the bathroom decors. If possible, replace or add things to the bathroom. You can use add a potted plant, change the artwork hanging on the walls, use a new soap dish, or change the color and prints of towels.
Finally, paint the walls of the bathroom in a new color. When you do this, you are renewing the bathroom.