Barratt has produced solid results for the second half of 2006, raising pre-tax profits 10% to £180.2 million on a £1.194 million turnover, and increasing the operating margin to 16.3%. The plc is entering the spring selling season in a record position, having already secured 83% of this year’s completions, with forward sales standing at £1.03 billion, up 47% on …