** Housebuilder extends post-H1 gains as DeutscheBank hikes PT by 10 pct to 231p, keeps "buy" rating
** Stock up 2.4%, having gained 1.5 pct on Wednesday when itsaid it would pay investors 300 mln stg in July 2016, 20 pcthigher than prior year's special dividend (also posted H1 pretaxprofit excluding items +33.4 pct)
** "Highlight of the update was the higher-than-expectedspecial dividend for next year," DB says (venkateshasoumithri.mamidipudi.thomsonreuters.com@reuters.net)