BUZZ-UK housebuilders rise as further help for new buyers introduced

** UK housebuilding stocks among top risers as ChancellorGeorge Osborne announces further help for first time buyers

** Govt's "Help to Buy ISA" will top up every £200 saved forhouse purchase with additional £50 up to a max of £3,000

** Move will cost govt c. £2.2 bln to 2019/20, according toBudget policy document, adds full extent of spending isuncertain

** UK housebuilders add to gains after the announcement:Taylor Wimpey and builders' merchant Travis Perkins among top risers on FTSE 100

** Estate agents Savills & Countrywide andkitchen manufacturer Howden Joinery among biggestpositive movers on FTSE 250

(RM: alasdair.pal.thomsonreuters.com@reuters.net)