Prime minister Andy Burnham has delivered a welcome lift to beleaguered UK housebuilding stocks ahead of the first Autumn Budget of his tenure with the announcement of a new scheme, which some analysts say could boost housebuilder profits by as much as 70% over coming years.Hopes that UK housebuilders could benefit from a Burnham boost were vindicated when markets opened on 28 September, following the announcement of the Your First Home scheme aimed at helping first-time buyers get onto the prop