Retail sales volumes rose last month but retailers are expecting growth to slow, according to data from the Confederation of British Industry.

The CBI's monthly high street survey found 42% of retailers said sales volumes were higher than a year ago and 24% reported a decline, leaving a balance of +18%.

However, retailers said volumes for the time of year were below average. Only 13% said sales for the time of year were good, compared to 30% who said they were poor, leaving a balance of -17%, the weakest since April 2006.

"The high street still saw an increase in year-on-year sales in July but the rate of growth is below the March-to-May peak, and retailers' hopes for bullish summer sales have failed to materialise,” said Doug Godden, head of economic and fiscal policy at the CBI.