1 Sometimes changing the color of the tiles can completely change the feel of the bathroom. 2  The effort to do this can be well worth it, and tiles are generally quite affordable for the budget renovator. 3  If you need to fix the grout, see grouting a tile floor, regrouting tile, whitening grout and cleaning grout.efurbish wood cabinets. Sand the wood on your existing cabinets and stain it, or sand the wood and repaint it with a color that complements the bathroom walls. Be sure to use waterproof latex paint and consider using white paint.