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The United Kingdom's responsibilities in international law for refugees, including Iraqi refugees can be found in the 1951 United Nations Convention relating to the Status of Refugees and the 1967 Protocol (together "the Convention").
Like all other refugees, Iraqi refugees are entitled to the protection of the Convention. Those who are in the United Kingdom (or at a UK port of entry) and who are assessed by the UK as falling within the terms of the Convention are entitled to receive protection in the UK.
Under the Convention, refugees are people who are outside the country of their nationality because of a well founded fear of persecution for reasons of race, religion, nationality, membership of a particular social group or political opinion and who, because of this fear, are unwilling or unable to avail themselves of the protection of their national authorities. Certain individuals can be excluded from protection where they commit certain serious acts or crimes.