GTA V has long been rumoured to be in development, and was expected by many to be announced during this year's E3 however nothing ever was said.
Prior to E3, GTA V appeared on GameStop Germany's website marking it for a January 15th 2012 release, with sources at other publications saying a 2012 release would be 'likely'.
The game has also reportedly appeared on other retailers' release schedules in the US last month, but this is the first time it's been spotted in the UK.
Rockstar remains tight-lipped on the existence of the title.