** UK property stocks fall on Tuesday, led by Capital &Counties after the London-focused developer wrote downthe value of its Earls Court site
** Cuts valuation of its Earls Court site to £1.2 bln from£1.4 bln, a fall of 14 pct
** Poor sales figures also a cause for concern
** Co says it has sold just 4 units in its 7,500 unitdevelopment since the last trading update in May, all after theEU referendum result
** Previous update said 9 had been sold in the quarter fromFeb 24, sparking concern of a slowdown in London new-buildproperty
** Signs capital appreciation at the site has also stalled:in May, Capco said phase 2 prices were 5 pct ahead of phase 1;July update says prices now 4 pct ahead
** Rest of the fallers in the property sector led byhigh-end estate agent Foxtons, housebuilders all down1-2 pct