Yes any electrician it is not Part P but you may be safer to use an electrician who is a member of one of the organizations. As to DIY there is not normally a supply in the loft except for lights so you would need some skill only you know what you can do. Also speed is important as from the 1st July prices are likely to rise due to new regulations. See 17th Edition in projects.
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!