§ Mr. BarronTo ask the Secretary of State for the Environment how the figure of £900 million of public expenditure in energy efficiency improvements in the public sector housing stock set out in his first annual report of the ministerial group on energy efficiency was arrived at; and to which financial year it relates.
§ Mr. YeoThis figure is based on the proportion of annual expenditure on the public sector housing stock, directed at the improvement of heating and insulation, identified in the 1986 English house condition survey. The estimate of £900 million relates to the financial year 1990–91.