HC Deb 22 May 1980 vol 985 c356W
Mr. Banks

asked the Secretary of State for the Environment what is his estimate of the expenditure on existing Government buildings to improve insulation from heat loss during each of the last three years.

Mr. Geoffrey Finsberg

The cost of thermal insulation in the Government's civil and defence estates, including married quarters, is not separately recorded, but the total cost of all energy conservation measures at 1979–80 prices was:

1977–78 £4.8 million
1978–79 £8.3 million
1979–80 £11.0 million

It is estimated that approximately half the above expenditure relates to thermal insulation measures.