The pro-free trade Consumer Choice Centre said tariffs would “put another burden on British consumers” and increase the costs of Brexit.

‘Protectionism’

It would send a signal to the rest of the world that post-Brexit Britain would pursue protectionism ahead of consumer interests, it claimed.

Consumer Choice Centre spokeswoman Maria Chaplia said: “Free trade is vital for consumer choice as it allows consumers to enjoy a greater variety of products at a lower cost.

“Interventions in the form of tariffs, non-tariff barriers or quotas hit consumers the hardest, and therefore should be avoided or decreased at all costs,” said Ms Chaplia.

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