You can look it up on Etis. Make sure Preferences is set to UK then under Vehicle enter the VIN and in the summary it will tell you any outstanding actions (i.e. recall)
https://www.etis.ford.com/home.do

It's cars built up to around the middle of 2017 that need it doing

Think there is also way you can tell by looking under the engine cover at the gasket where it protrudes outside the block, they have different markings and stuff on the edge of the gasket, not sure how exactly what though but kind of shows you where to look in this video at around 5 minutes