Gary
First of all, are you going to challenge the Decision to move you to the WRAG, if you are then your request must be made within one month of the date of the Decision?
Have your conditions changed since you were last assessed such that you now meet the criteria for the SG again, if they have then you can ask to be reassessed.
Lastly and most importantly, are you eligible for Income Related ESA, if you are then your payments will continue. ESA(IR) is dependant on your household income, your savings and assets, and any hours that your partner works. See
Asset and savings rule for ESA(IR) 24 hour work rule for ESA(IR) Gordon