Bovis Homes is the latest housebuilder to bring good news to the City, announcing a 74% jump in pre-tax profit for the year ending December 31. Legal completions climbed 8% from 1,901 at the end of 2010 to 2,045 last year. Bovis’ average private sales price rose 5% from £172,300 to £180,100. Private reservations in 2011 increased 24% over the …