Russ Mould, Investment Director at stockbroker AJ Bell looks at the results from some of the UK Housebuilders and asks whether they are cheap. Russ also comments on the reasons why some companies have choosen to move their listing from the UK to the US. Companies mentioned include: Barratt Developments #BDEV, Berkeley Group #BKG, MJ Gleeson #GLE, Persimmon #PSN & Taylor Wimpey #TW.