Written Question·Department for Energy Security and Net Zero·UIN 94890

Energy: Conservation

Tabled: 26 November 2025

Answered: 5 December 2025

Question

Stuart Anderson

To ask the Secretary of State for Energy Security and Net Zero, what steps he is taking to promote limestone insulation as an energy efficiency measure.

Answer

Martin McCluskey

The government does not promote one measure over another, instead energy efficiency measures installed under current Government energy efficiency schemes must be compliant with PAS 2035/2030 to ensure installations are done to the highest quality and the ...

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