It found 37% of consumers prepared to consider alternatives, with PET and bag-in-a-box having the most consumer support.

While 63% of consumers thought wine should only come in glass bottles, when shown other forms of packaging, five out of six said they would be likely to buy one of the alternatives, or were neutral in their response.

For informal occasions such as parties and picnics, more than four out of five consumers (82%) said they would consider PET, 79% bag-in-a-box, 65% a pouch, and 59% a Tetra Pak carton.