Chancellor George Osborne has outlined plans for a £10bn house-building boost by housing associations and the private sector.Under the scheme, the Government would guarantee the debt incurred by borrowers, and is similar to an announcement last month in which the Government suggested underwriting bonds issued by housing associations to reduce borrowing costs.Osborne, speaking on the BBC's Andrew Marr show yesterday, revealed the plans as part of a new strategy to boost the economy with inv...