Hi Mefmark
Welcome to the forum, you might want to have a look at the following FAQ which explains where everything is
Welcome to Benefits and Work
Regarding renewal of your PIP claim. At one time the renewal forms were being sent out a year before the end date, but members have been reporting that this time has been growing shorter and some people have had them 3 - 6 months before. However, it is impossible to give you a definitive answer.
BIS