Follow signs to "Hemel Hempstead town centre"
this will bring you to the "funny roundabout"(several roundabouts in one)
take the road marked to "Leighton Buzzard"
after 300m continue straight over a set of traffic lights
continue for .5 kilo and go straight over a mini roundabout
second on the left (after the roundabout)turn in to Bury Road
follow the road around the bend  with the garage towards the end of Bury Road