High Quality Content by WIKIPEDIA articles! Polish migration to the United Kingdom describes the temporary or permanent migration of Poles to the United Kingdom (UK). Most Polish migrants to the UK emigrated after two major events, the Polish Resettlement Act 1947 and the 2004 enlargement of the European Union. Today, a large number of Polish-born people live in the UK, and there is a wider population of British Poles including the descendents of previous immigrants.