Thanks for the advice guys! This is most helpful... If anyone else has personal experience or advice, don't hesitate to let me know!!

Hi there My Russian fiance has overstayed his UK student visa by a whole year. I am a UK citizen and we are wanting to get married this year and live in the UK. Do we have any chance? Even if he leaves the UK without them cottoning on to his expired visa, they would still pick this up when he tries ...