PREP GROUP LIMITED Company number 16567793 · Monitor this company Active Overview People 2 Control Analysis Location Related Registered office AddressRise Gym Unit B, Fretherne Road, Welwyn Garden City, Herts, England, AL8 6PZ PostcodeAL8 6PZ Companies at this postcode 28 Average house price in AL8 6PZ £359,000 (25 sales) Map