To ask the Secretary of State for Communities and Local Government how many properties are heated by district communal heating systems in each London borough; what the annual energy in kilowatt-hours needed to heat and provide hot water is in each such system; and if she will make a statement. (122801)

The information requested is not held centrally, and could be provided only at disproportionate cost.

To ask the Secretary of State for Communities and Local Government if she will estimate (a) the number of properties in local council or housing association ownership covered by district heating schemes and (b) the difference in energy use per inhabitant of properties covered by such schemes by comparison with other housing. (123531)

I refer the hon. Member to the answer given on 19 February 2007, Official Report, column 300W.