Persimmon and Bovis Homes have issued updates ahead of their half year results, with both reporting steady performances. During the period from January 1 to June 30 2018, Persimmon’s legal completions increased 3.6% to 8,072 homes against the equivalent period last year. Its average selling price rose 1.2% to around £215,800. The volume housebuilder’s housing revenues for the first six …