At M5 Junction 13 (Between Gloucester & Bristol) head towards the A38 - away from Stroud - at the junction with the A38 turn left towards Bristol. After a few hundred metres you will see a garage on the left and a turning to the right signposted Frampton on Severn. Take this turning, drive through the village of Frampton, then over a swing bridge across the Canal. Immediately after crossing the canal bear left towards Fretherne and Arlingham Follow the road along through the village of Arlingham. After leaving the village you will be on a short, very straight stretch of road with wide verges on either side. At the end of the straight is a sharp right/left wriggle with the workshop immediately on your right