§ Mr. Cartwrightasked the Secretary of State for the Environment what proportion of (a) local authority, (b) housing associations, (c) privately rented and (d) owner-occupied housing he estimates to have acceptable levels of thermal insulation.
§ Mr. Geoffrey FinsbergThere is no general definition of what constitutes an acceptable level of insulation. According to data at December 1977 provided by Audits of Great Britain Ltd. it is estimated that, of the dwellings with loft access, the following have some insulation.
40 per cent. local authority
67 per cent. owner-occupied
31 per cent. housing association and privately rented.
The proportion of dwellings which have loft insulation which meets the standards required for the purposes of the Government's energy conservation programmes is estimated to be
12 per cent. local authority
28 per cent. owner-occupied
11 per cent. housing association and privately rented.