Hello, I am a South Korean national who has been living in the UK for the past 7 years with the following VISAs: VISA Tier Type Issue Valid Until VISA Tier 1 Post Study Migrant 16/10/2010 16/10/2012 VISA Tier 2 General 16/10/2012 15/08/2015 VISA Tier 2 General 15/08/2015 25/07/2018 I have been worki...