Architects remain on tenterhooks today after yesterday’s high-stakes deadline for a deal with the EU was extended and negotiations moved into what one commentator called “extra extra time”.

Sunday had been the deadline for a deal, but after a lunchtime phonecall Boris Johnson and European Commission president Ursula von der Leyen announced they were extending the talks indefinitely to “go the extra mile” – meaning a deal could still be reached right up until midnight on 31 December.

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