Railcards get you 1/3 off many fares for just £30 a year. They’re available online or from your local station.
Two Together Railcard
If you travel a lot with another person, a Two Together railcard costs £30 a year and gives you 1/3 off train fares around Britain.
This includes all adult Standard and First Class tickets.
You both have to be over 16, and you have to travel together, but you don’t have to be related.