I still have another year before I can try again with Eurocontrol but I did ask when I was getting my feedback about the process for applying a second time.
If your score for Feast is above a certain mark you do not need to take the Feast tests again. You start at stage 2.
I would email Sarah Willinscroft and explain you would like to apply a second time and if you could receive any feedback so you know where you went wrong and could improve yourself for a second attempt.