I work in London Victoria on Tuesdays and Wednesdays and in Westerham in Kent on Mondays and Thursdays.
My London practice is very close to Victoria mainline station and the underground (Victoria, District and Circle lines).
My practice in Westerham is at The Chartwell Apothecary, on the A25 as you come into Westerham from the west.
If you are travelling by car to Westerham, there is on-street, metered parking close by, and you can park for up to 3 hours for free in the Darenth car park. If you are travelling by bus, the 246, 401 and 594 routes serve Westerham from Bromley, Sevenoaks and Oxted.