§ Mr. David Steelasked the Secretary of State for the Environment (1) what is his estimate of the proportion of houses with uninsulated lofts and roof spaces in (a) the public sector and (b) the private sector;
(2) what is his estimate of the proportion of houses with unlagged hot water tanks in (a) the public sector and (b) the private sector.
§ Mr. HeseltineFollowing are the available estimates:
Dwellings with no loft insulation as a proportion of those with an accessible loft space, and dwellings with no hot water tank insulation as a proportion of dwellings with a hot water tank: by tenure: Great Britain: December 1977:
Percentages No loft insulation Unlagged hot water tanks Council owned 60 29 "Other" tenures 37 17 Notes:
"Other" tenures include housing association owned, owner occupied and privately rented dwellings.
Estimates are based on the results of regular surveys undertaken by AGB Ltd.