From an article for the Guardian

Some of these details were reported earlier but Carney said a a special cabinet meeting that:

  • Unemployment could reach double digit figures in percentage terms
  • house prices could fall 25 – 35% over 3 years
  • transportation links with the EU, including air travel and the Eurostar, could stall
  • compared a no Brexit to 2008 financial crash

Here is the link to the article: https://www.theguardian.com/politics/2018/sep/13/no-deal-brexit-could-be-as-bad-as-2008-financial-crash-carney-says