Housebuilder Galliford Try has won £29.9m of work on three regeneration projects across all its regions.It will build 137 homes and a commercial unit in Camborne, Cornwall for the Homes and Communities Agency. Work on the £18.4m contract will start in July and finish at the end of 2013.Another 79 homes worth £9m will be built by Galliford in Birmingham between March this year and May 2012, while 25 new affordable homes and properties for old people worth £2.5m will be up in Gateshead by next year.