watch nowA historically weaker pound on a medium- to long-term basis has a variety of impacts on the U.K. more broadly, economists told CNBC.
But, Portes said, the weaker pound is not in itself an issue for the fiscal planning the government is currently doing, with a much-anticipated budget due Nov. 17.
'Growth model is dead'According to Blyth, beyond the pain suffered by households, the higher prices caused by a weaker currency will have deeper and longer-lasting effects.
The potential upside to exports was negated by Brexit, he said, pointing out that the U.K. economy had declined from 90% to 70% of the size of Germany's since the 2016 vote.
It means that the old U.K. growth model is dead," Blyth continued.