§ Mr. Berminghamasked the Secretary of State for the Environment (1) if, in the energy efficiency requirements of the revised building regulations, universal trade-off will be allowed between (a) permanent and variable measures, and (b) measures used at the discretion of the householder and those not;
(2) in the re-examination of energy efficiency within the domestic building regulations, if it is Her Majesty's Government's intention to replace the V values method of assessment with some other form of assessment.
§ Sir George YoungThe requirements are being reviewed. The objective is to introduce greater flexibility taking account of the relative benefits of different methods of energy conservation. No decisions have been taken yet: there will be consultation later this year.