Via M1
Exit junction 8 M1 signposted "A414 Hemel Hempstead". At second roundabout turn right signposted "A4147 Industrial Area". Parker House is 400 yards on the left. Immediately after turn left into "Duxons Turn", and enter the car park through the barrier, to find the Spectrum reception desk.

Via M25
Best to join M1 (heading north) at junction J21 of M25, and follow instructions above.

Via Rail
From Hemel Hempstead railway station (on Euston line), a taxi will take approximately 5 minutes and costs about £8. Ask for "Parker House, , Hemel". St Albans railway station (Kings Cross line) is 10 miles and 15 minutes.