Question to the Department for Energy Security & Net Zero:

To ask the Secretary of State for Energy Security and Net Zero, what assessment his department has made of the potential impact of the requirement for all rental properties to obtain a level of C for the Energy Performance Certificate on homeowners, and whether exemptions have been considered for properties that have previously made energy efficiency improvements such as loft insulation or double glazing installed.

The Impact Assessment, which provides an estimated impact of the final policy, including on owners of let homes was published on 7 February 2026.

Properties that can demonstrate appropriate energy efficiency measures are already in place will have these represented in their EPC assessment and rating. Those property owners who make energy efficiency improvements before the standard applies and can demonstrate their property is EPC C before 1 October 2029 will be considered compliant under the transition measures until their EPC expires. Those who install, or have installed since 1 October 2025, relevant measures in their properties, but are unable to achieve a C rating in advance of the transition deadline, may be able to count their spend towards a cost cap exemption once the standard applies.