Christmas has officially started: according to Asda

Sarah Coles

David Cheskin/PA Archive/Press Association Images

While most of us are reeling from the expense and stress of the summer holidays, Asda is gearing up for the next holiday season - by opening Santa's grottos in a selection of its stores. It means Santa is taking up residence a shocking four months in advance.

So why are they doing it, and why are customers so unhappy?