Clothing and footwear deflation accelerated to 2.6% in August from 1.2% in July, the highest level of deflation reported since November 2009.
On a month-by-month basis clothing and footwear prices fell for the second consecutive month to 0.6% in August from a 2.2% drop in July, according to the British Retail Consortium
The drop in prices was driven by widespread discounting in footwear and the clearance of Summer collections with womenswear and kidswear cited as key drivers of the fall.
Non-food inflation in August hit 0.5%, slowing from 1% in July.
Overall inflation was 1.7% in August, compared with 1.5% in July. Food prices drove overall inflation by leaping from 2.5% in July to reach its highest level since July 2009.