"Aosmosis" wrote:

Hi I am travelling from Harrow on the Hill to Grays in essex by train, and
need to be in Grays by 12.30.

I will be making a return journey as well

I have a PAYG oyster card,

whats the best way of buying a ticket for the BR part of the journey? I
dont
want to double pay, as I feel my oyster would become maxed out as a travel
card, so I need a zone 6 to Grays extension, unless Oyster is availible at
Grays.

Oyster pre-pay is not valid to Grays.

Can I buy this at a LU station?

I assume you will be changing at/passing through Fenchurch Street, West Ham
or Barking as part of this journey, and all three should be able to sell a
Z6 - Grays return. West Ham is an Underground booking office, rather than
National Rail, but I'm 99.9% certain they will sell you a ticket to c2c
destinations such as Grays.

Chris