Hi Lisa.
I'd recommend Red Lion Farm in Haughton, 3 miles outside of Stafford on the A518 Newport road. A popular site that is used by many CC centres for rallies.
It is a working farm that has it's own ice cream factory and tea room on site. Good facilities with electric hook-ups, shower, toilet and laundry.
Details are in the CL section of the Caravan Club handbook.