After Boris Johnson became Prime Minister in July 2019 the Government intensified planning for a no-deal Brexit and stressed its intention to take the UK out of the EU on 31 October with or without a deal. But the UK remained in the EU after 31 October after a further extension of the Article 50 period was agreed with the EU. A no-deal Brexit however remains the default outcome if an agreement is not ratified. This briefing paper provides an overview of Government and EU preparations for a no-deal Brexit, and of recent reports analysing the possible impact of this outcome