Using steel wool or sandpaper and working in direction of grain, rub over surfaces of sideboard. This roughens surfaces, ready for application of new top coat. Wipe away dust.
Using pencil and tape measure, mark position of required holes for basin and mixer on top and back of sideboard.
Fit drill with hole saw of required diameter, then cut holes in marked positions. Brush away sawdust.
Lay drop sheet and put sideboard on top. Remove drawers and set aside.
Pour stain and varnish into paint tray. Apply 1 coat to carcass using brush. For a neat finish, keep brush strokes running in same direction as grain of timber. Let dry. Apply 1 coat to fronts of drawers. Stand drawers on end to dry.
Move sideboard into position in your bathroom. Replace drawers.