The industry fightback is well under way and some firms are thriving in the new housing environment. Housebuilder talks to two privately owned businesses which are showing the way forward but in very different ways. First, Ben Roskrow meets Andy Yallop, ceo of Croudace, who has led a re-branding of the firm and is now gunning for growth, while over the page Suzie Mayes talks to the head of Weston Homes, Bob Weston, about his plans for the firm