A Holiday Extras survey of 2,003 people in January 2020, conducted in partnership with Opinium Research, found 20% of travellers are putting off booking to the continent in light of the 31 January deadline.
It also found this increases to a third in 35 to 44 year olds, and 14% are concerned about negative attitudes towards British travellers in Europe.
The statistics show 25% of people are worried about the accessibility of medical insurance, 23% are anxious about queues at passport control, 18% are uneasy about exchange rate for euros, and 15% are thinking about passport changes.