Post study work opportunities to work for 2 years in the country with a further extension possibility of a work permit. UK at present allows students graduating with either an Undergraduate or Post Graduate Degree to stay back and work in the UK for 2 years. Further to which, students can transfer their visa status to a work permit. For further details on Post Study Work visa scheme under Tier 1, please refer to the following official link of the UK Border Agency
http://www.ukba.homeoffice.gov.uk/workingintheuk/tier1