To ask the Secretary of State for Communities and Local Government how many homes classified as energy-efficient have been built in (a) West Chelmsford constituency, (b) Essex and (c) England in the last five years. (278398)

All new homes built in England in the last five years have been required to meet the energy efficiency standards set out in part L of the Building Regulations. Part L standard for new homes was raised by 25 per cent. in 2002 and by a further 20 per cent. in 2006. This requirement will progressively increase leading up to the target for all new homes to be zero carbon from 2016.