Retail sales slowed at the end of 2018 with non-food spend dropping 1.1% in December from November, as shoppers brought forward Christmas shopping to the Black Friday Sales.
Historical figures show that the quantity bought in December has been consistently lower than November since 2015, according to The Office for National Statistics.
Year-on-year the total amount spent on non-food in December grew just 0.7%.
Total retail figures for the last three months of 2018 show the quantity bought dropped 0.2% on 2017.
The whole of 2018 saw growth of 2.7% from the year before, a slowdown from peak growth in 2016 of 4.7%.
Online retailing accounted for 20% of all sales in December.