There was a european playstation site that gave out free ps+ codes via email a month ago, and I never entered it, if it hasn't expired already on march 1st it will in an hour (I'm PST) but UK is prob expired already so don't get your hopes up.
I did test it before so I know it works.
First poster gets it pm'd. --- PSN: Sakukoivu2008. Skype/Steam: montreal_canadiens11