Location   Directions from Dartford Bridge M25 Exit at Dartford Crossing M25. From the north - take the far left toll booth and take the immediate exit (50 yards). From the south - take the exit 50 yards BEFORE the tolls. Follow the A206 for Erith, go down the dual carriageway (Bronze Age Way), then follow the map below.   Turn off of Spine Road into Yarnton Way 50 yards past the 30 miles per hour, turn off of Yarnton Way into Norman Road. At the end of Norman Road turn left and follow Station Road North under the fly-over. Parking is on the left.   C & D (Sheet Metal) Engineering Ltd Monarch Works Station Road North Belvedere, Kent. DA17 6JU Tel: 020-8311 2056 Fax: 020-8310 7727