Leave the M3 at junction 8, then merge onto the A303
As you see the sign for Andover, continue on the A303, then pass the Junction (Stockbridge, Wherwell)
Take the next left, onto the A343 (Salisbury, Middle Wallop)
At 1st roundabout take the 1st exit Salisbury Road (Andover town centre), you will be coming back towards and under the A303 with the garden center on your right.
Under the A303, At 2nd roundabout take the 2nd exit onto Salisbury Road
At 3rd roundabout take the 2nd exit onto Salisbury Road
At 4th roundabout take the 1st exit onto Millway Road and 142 is about
100 yards on left.