The House of Lords debated UK Asylum and Refugee Policy on 9 December. The Archbishop of Canterbury moved
That this House takes note of the principles behind contemporary United Kingdom asylum and refugee policy, and of the response to the challenges of forced migration.
The Church of England in Parliament website provides links to the speeches of each bishop:
The House of Lords Library had prepared a briefing note for this debate which is worth reading.
The Church Times has published a report of this debate here: UK’s treatment of asylum-seekers is wasteful and cruel, says Welby.
The Archbishop of Canterbury referred in his response to the debate to a document which had been mentioned, from Policy Exchange. Here is a link to that document. (Three essays on the morality of asylum by Nigel Biggar, John Finnis and Richard Ekins. Foreword by Dr Michael Nazir-Ali.)