The government must do more to improve the energy efficiency of existing homes, MPs have said.
A drive for improvements in new homes means "insufficient priority" for existing stock, the communities and local government committee said.
Environment Secretary Hilary Benn agreed the energy efficiency of older buildings must be improved, adding that "simple steps" would cut emissions.
Councils have called for a national home insulation scheme.
The government is launching a Green Homes service as part of a series of measures being launched by the government to make homes more environmentally friendly.




source: bbc