Take the A10 north (M25 Jnc 25) and leave at the signposted Hoddesdon junction. At the top of the slip road turn right, which takes you onto the A10 link road. At the bottom of the hill, turn left at the first roundabout into Amwell St then left at the next roundabout (garage on corner) into Hertford Rd (B1179). MSD is located on the left just over the top of the hill.

From Harlow, take the A414 west until it meets the A1170. Travel south on the A1170 (Ware Road) until you arrive at a roundabout with a Jet garage opposite you. Turn right onto Hertford Road at this roundabout.

If travelling by train from London, take the train from Liverpool Street station or Tottenham Hale station to Broxbourne. A taxi from Broxbourne station will cost approximately £6.00.