Supermarkets are “stockpiling goods” in preparation for Brexit.

Tesco and Marks and Spencer are both understood to be preparing for the change in March.

Retail giant Tesco confirmed it had “sensible” Brexit contingency planning underway.

It said it was working with suppliers to stockpile goods.

However, chief executive Dave Lewis sounded the alarm bell over fresh food.

“It’s hard to contingency for fresh food, where we can’t stockpile.

“Like other retailers, we’d be keen that there is no friction at the border given the UK imports half of the fresh food it eats.”

Marks and Spencer is also understood to be preparing for Brexit by stockpiling long life products.