Get on the M25, head towards Heathrow. Off at J21 on to M1 Northbound. Off at J24 onto A50 to Uttoxeter. At the second Uttoxeter roundabout(by McDonalds), turn right on to the B5030 toward Rocester and follow the brown Alton Towers signs. Depending on traffic and how you drive, should take about 2 to 2 1/2 hours.