Hi J and Welcome to the forum, you might want to have a look at the following FAQ which explain where everything is
Welcome to Benefits and Work In case you are not aware, your real name appears to be showing in the forum, if you want to change this then follow the instructions in the following FAQ
My full name is showing, how can I stop it? You will need to let DWP know about your change of address (a separate letter to each department that deals with you) but it should not be classed as a 'change of circumstances' that triggers a review.