If its going to be tiled mate you shouldn't have a problem just using ordinary plaster board. If you want to be extra careful though you can now get moisture resitant boards which are supposed to be good although in my experience there no better than the ordinary ones and are twice the cost!!
DIY how to tutorial projects and guides - Did you know we have a DIY Projects section? Well, if no, then we certainly do! Within this area of our site have literally hundreds of how-to guides and tutorials that cover a huge range of home improvement tasks. Each page also comes with pictures and a video to make completing those jobs even easier!