UK Stocks-Factors to watch on Feb. 13

Britain's FTSE 100 index is seen opening 14 points lower on Thursday, according to financial bookmakers. * VODAFONE: An Australian court approved a A$15 billion ($10.1 billion) merger between a unit of Britain's Vodafone Group and internet provider TPG Telecom, overruling a regulator and enabling a huge rival to the country's top telcos. * HOUSE PRICES: British house prices rose at the fastest pace in nearly three years last month, according to a closely wat