UK Stocks-Factors to watch on July 15

July 15 (Reuters) - Britain's FTSE 100 index is seen opening 0.1 percent lower on Friday, according to financial bookmakers. For more on the factors affecting European stocks, please click on * The UK blue chip index closed down 0.2 percent at 6,654.47 points on Thursday, having touched an 11-month peak of 6,743.42 before the Bank of England's decision not to cut interest rates hit stocks sensitive to sterling strength and housebuilders. * BP: Oil major BP Plc on Thursday estimate