Estate agents boards are lined up outside houses in south London June 3, 2014. Britain’s house prices rose at their fastest annual pace in nearly seven years last month and signs of bottlenecks in the construction sector underscored the upward pressures on the market, surveys showed on Tuesday. House price growth picked up to an annual pace of 11.1 percent in May, mortgage lender Nationwide said, fanning concerns that the property market could be overheating. REUTERS/Andrew Winning (BRITAIN – Tags: POLITICS BUSINESS REAL ESTATE) – RTR3S0I0