There are many car parks around St Albans town centre, the closest being the Maltings Shopping Centre.
Approximately 25 minutes from London's Kings Cross/St Pancras International Station, St Albans is on the route which runs a regular service between Brighton and Bedford. When you exit the station turn right and walk to the end of the road where Victoria Street meets Grimston Road. Turn right and walk down Victoria Road until you reach Trident House.
Bus services run from North London, Welwyn Garden City, Hatfield, Luton and Watford. There is also a service from Heathrow. Local buses include the 620, 602 and 659 which all drop you within walking distance of the clinic.