Follow signs to Portland from Weymouth. You will go up a hill starting at the fire station by harbour .At the top go straight across a mini roundabout, down to the traffic lights.
Straight across lights, up the hill and round the bend
Turn left at the corner with a post office shop on one side and a chippie on the other. This is Clearmount Rd
Go down the hill then up the next hill, round a right hand bend. Turn left at 'T' junction. St Annes Rd is second left. The house is an extended semi on the right.

Follow all the signs to Portland and you will leave suburbia and travel across a long beach causeway joining Weymouth to Portland.
Go straight across the two small roundabouts
At the third roundabout (kidney shaped) a third of the way round, The Bunker is the first building on the left