UK retail sales fell 0.8% in September, the Office for National Statistics said on Thursday.
This was compared to a 0.4% increase in the previous month which was revised up from an initial gain of 0.3%. Economists had forecast a 0.4% drop.
Year-on-year, retail sales rose by 3.0% last month. Analysts had penciled in a 3.6% gain.
Sales in August advanced 3.4% from the year before, an upward revision from an initial 3.3%.
Core retail sales, which exclude automobile sales and fuel, decreased by 0.8% in September, after rising 0.5% a month earlier. August's revision was an increase from an initial 0.3% advance.
Economists had expected a 0.4% decline.
Source : Investing.com