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Guidance

CHPQA guidance note 50: Quantifying and justifying useful heat outputs

The supporting evidence needed to accompany Design Submissions for the quantification and justification of qualifying heat.

Updates to this page

From:
Department for Energy Security and Net Zero
Published:
1 September 2021
Last updated:
26 March 2026
Show all updates

  1. Updated 2026 to align with the CHPQA Portal now hosted on GOV.UK.

  2. First published.

Documents

CHPQA guidance note 50: Quantifying and justifying useful heat outputs

PDF, 384 KB, 11 pages

Details

Responsible persons (RPs) need to provide supporting evidence for the quantification and justification of qualifying heat. This evidence must accompany design submissions.

Additional supporting evidence may also be required from an RP following a scheme audit, in which case a specific request will be made by the CHPQA Administrator.

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