Fraser McKevitt, head of Retail and Consumer Insight for the Kentar Worldpanel, also said that a further 26 percent of respondents were considering stockpiling groceries.
The survey was based on the responses of 7,008 adults in the United Kingdom and conducted on February 1-4.
The United Kingdom is due to exit the European Union on March 29. If the UK parliament does not secure a deal with Europe by this deadline, it will be forced to exit the bloc without having tax regulations in place to control the exchange of goods between the United Kingdom and the European Union. According to Marc Carney, the governor of the Bank of England, in this drastic scenario, food prices could go up by 10 percent nationwide.