Looks like a G9 type lamp. They just pull straight out and replacements are available at all large DIY chains and, I believe in some large supermarkets too. Would really recommend that you get a LED type replacement. They are way more energy efficient and will also run significantly cooler.
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!