From M1 North & South: exit at J10. At roundabout at end of motorway slip road turn right following A1081 to St Albans. After 300 yards take next right towards Slip End. Newlands Road. Go under motorway slip road, take first left to Slip End. Go up hill, under M1 into Slip End. At traffic lights turn right into Grove Road. Turn left and the entrance is 100 yards on the right. Follow the signs.

From A1 J8: follow A505 through Baldock Letchworth-Hitchin to Luton. At Luton follow signs for A505 & Luton Airport. Follow signs for A1081 St Albans & M1. Then as above.