Chafford Hundred has it's own railway station which has trains operated by C2C, there are links on their website to timetables, alternatively you can get train times and fares from National Rail Enquires on 08457 484950 or http://www.nationalrail.co.uk/. Typical journey time from Chafford Hundred to London Fenchurch Street is 35 minutes.
There are two buses that come through Chafford Hundred
33 - Lakeside - Chafford Hundred - Grays
X80 - Chafford Hundred Station - Lakeside - Greenhithe - Bluewater
Click on this link to access timetables
There are a couple of other routes that run the perimeter of Chafford Hundred with stops near Sainsburys, the Harvester and Elizabeth Road. These are routes 370 (operated by London Bus) and 373 (operated by Arriva Southern Counties) and both terminate in Romford Town Centre in one direction and Grays Town Centre in another. These routes are operated by Town and Country - please refer to http://www.traveline.org.uk/ for details or call 0871 608 2608.
There is a taxi stand at Grays station that normally has taxis in the rank, and you can sometimes get a cab at Chafford Hundred station (if you are lucky) - local cab numbers are as follows:
Lakeside and Purfleet Taxis 01375 383878
Imperial Taxis 01375 405056
A3 Taxis 01375 371654
Gateway Cars 01375 391000