Bellway has reported a 50% increase in pre tax profit for the year ending July 31 2011, returning £67.2 million on turnover up 15% to £886.1 million. The firm sold 4,922 homes up from 4,595 and achieved an average selling price of £175,613 (£163,175). Chairman Howard Dawe said: "The Group's average weekly reservation rate rose during the early part of …