Remove all wall accessories in the bathroom, such as towel bars, framed artwork and mirrors. Take out screws holding accessories to the wall with a screwdriver. Remove nails with a hammer. Set all accessories aside.
Remove the sink from the vanity. Loosen the putty under the lip of the sink with a utility knife. Turn off the water to the bathroom at the main water supply. Remove the plumbing attached to the sink with an adjustable wrench. Gently pull out the sink.
Take out the vanity. If the vanity is attached to the wall, open a cabinet door, and use a drill to remove the screws holding it in place. Gently pull the vanity away from the wall with a pry bar.
Take out the bathtub faucet, knobs and showerhead, using a drill. Gently take the cover off them to expose the screws holding them in place, and remove the screws. Turn the tub faucet counter-clockwise until it comes off. Place a channel lock and pliers on the water-supply tube, and turn counter-clockwise until it comes off. Cut the putty holding the tub-surround panels in place with a utility knife, and pull the panels away from the wall. Remove the screws in the bathtub flange that secure it to the wall, using a drill. Disconnect the drain from under the bathtub with an adjustable wrench, and remove bathtub from bathroom.
Remove the nuts over the bolts that hold the toilet in place, using your hands. Verify that the water is still off, and disconnect the plumbing line to the back of the toilet with an adjustable wrench. Loosen the bolts holding the toilet to the floor with an adjustable wrench. Gently lift the toilet from the floor, and set aside.