Construction and housebuilding group Galliford Try says it will be reporting record profits for the year to June 30 2013 aided by a strong performance by housebuilding arm Linden Homes. Housebuilding sales are up 15% to £313 million but completions are a touch down at 2,932 (3,039 in 2012). Margins are expected to be around 13%. Galliford Try ceo Greg …