Money savvy expert Martin Lewis has issued an “urgent” tip for travellers using one of Britain’s rail networks which could see them owed more than £30.

Posting on his X account the TV presenter and professional penny pincher gave some advice for people using South West Trains and a bonus they need to collect by midnight on Friday January 10.

He wrote: “URGENT: Did you travel with South West Trains 2015 to 2017?

“Quickly check if you’re due an easy £30+. It’s paying up to £25m in compensation…