From M4 London
Exit at Junction 15 and take the first turning signposted Marlborough
At the top of the hill just before the Esso garage, turn right
Follow the road and signposts to Wroughton 

From M4 Bristol
Exit at Junction 16 and take the 3rd turning, signposted Wrougton
After 1/2 mile, turn left (signposted Wroughton)
Follow the road around all the bends into Wroughton, over all the roundabouts until you come to a T Junction (the Co-op will be in front of you)
Turn left, go over all roundabouts

From M4 London
Exit at Junction 15 and take the first turning signposted to Swindon. Follow the A419 to Cirencester.
Exit the A419 and head into the Cirencester Industrial park. Turn left at the Colt building roundabout. Take the next left and then right.

From M4 Bristol
Exit at Junction 17 and head for Chippenham and Tetbury. Cirencester is sign posted from here. As you arrive in Cirencester, go right at the large roundabout and then right at the next roundabout.