Portesham is on the B3157, halfway between Bridport and Weymouth.
From Weymouth: Keep on the B3157 towards Abbotsbury. Take the third turning on the right and the hall is on your left.
From Bridport: On the B3157 take the first tarmac turning left. The hall is on your left.
From Dorchester: Take the A35 towards Bridport. Approx 2 miles from the Dorchester by-pass heading downhill towards the 30mph signs at the entrance to Winterborne Abbas, fork left. Turn first right and almost immediately left; this will take you to Portesham. Keep driving through the village until you reach the T-junction with the B3157. Turn right towards Abbotsbury. Take the second turning right; the hall is on your left.