--CBI says net 49% UK retailers' Aug sales up, vs Jul 44%
--CBI says net 42% UK retailers expect higher sales in Sep
--CBI report finds unexpected increase in UK Aug retail prices
--CBI says retail survey reflects strong UK consumer spending
London, Sept. 5 (BridgeNews) - U.K. consumers continued to spend freely in August, according to the latest Confederation of British Industry distributive trades survey. A net 49% of retailers said sales were up compared with a year ago, which was above the net 44% reporting sales up in July and well up on the net 30% reporting higher sales in June.