As things stand, there is no visibility whatsoever as to whether, and if so, when the bilateral trade agreement the UK government is looking to conclude with the EU will come about, and what the contents of that agreement might look like.
But even then, a likely outcome is that the United Kingdom will end up having looser trade ties with the EU than 4/8  BIS central bankers' speeches  Norway, which is – lest we forget – a member of the European Economic Area, or Switzerland, which has concluded bilateral treaties with the EU.