Structural steel and construction safety company Billington Holdings said its full year results will be above expectations thanks to an improvement in performances during the last six months of 2014.In a trading update released on Wednesday, the group said it will publish its full year results for 2014 at the end of March."The group's performance continued to improve in the second half of the 2014 financial year and, as a result, Billington will report results ahead of current market expectations," the company said in a statement.Billington shares jumped 10% to 176.00p at 15:37 on Wednesday.