In message , at 11:42:44 on Sun, 12
Dec 2010, hanscan remarked:

Can anyone advise the best way ( and cheapest) to vist London coming
from Dover.

You aren't going to manage quickest, nicest and cheapest, all at the
same time. It also depends on how many people in your party.

Specifically we are thinking about the best place to park your car with
direct access to an underground line that will take us to the main
sightseeing spots in the capital.

There isn't much Underground south of the river, and especially to the
south east. What's your budget for parking?
--
Roland Perry