Exit Reading on the A4 past Sainsbury’s Calcot. Cross the M4 towards Newbury and then follow the A4 for approx. 4 miles. At roundabout, take left turn onto A340 signed to Aldermaston and Basingstoke. Follow A340; after 2 miles go straight through the village of Aldermaston, (bearing right at top of main street). Outside Aldermaston, go up a long hill and at next major roundabout (about another 2 miles); turn right into the entrance of Calleva Park. This is about 15 minutes past the M4 Roundabout.
At mini roundabout, bear left. After 50m turn left. Pass two buildings on right (second one has Vertec written on side) and turn right. About halfway down on right, We are at No.7 Comet House.