That's the one. That and Esso are normally cheaper than Hailsham or Heathfield but the sub £1 thing seems to be a step too far for non supermarket stations.
Never understood the vast amounts of snobbery over towns. A quick google finds this about Plymouth
Devonport is awful and Keyham is also pretty bad (what with it bordering North Prospect aka Swilly aka Scumville).
I would personally suggest looking outside of Plymouth and commuting in. There...
Given the abundance of new houses built in Hailsham in the last couple of years, I would be very surprised if this was now the case. And if the Tories get their way, it will soon be rivalling Brighton...