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Heat Network Technical Assurance Scheme (HNTAS): Package 1: Technical Specifications and Package 2: Draft Code documents

Please note there are two packages within this consultation.

 

Package 1

 

This consultation seeks views on the introduction of regulatory heat network technical standards and a Heat Network Technical Assurance Scheme (HNTAS) to help heat network developers, contractors and operators demonstrate compliance with those standards. In particular it seeks views on proposals regarding:

  • the scope of technical standards regulation
  • governance structure for the scheme
  • overarching technical, assessment and certification requirements
  • the role of assessors and certifiers in the scheme
  • enforcement, appeals and complaints
  • support and incentives to facilitate heat network compliance

The Department for Energy Security and Net Zero have also published:

  • an options assessment setting out the estimated benefits and costs of introducing the proposals outlined in this consultation
  • the draft Metering and Monitoring Standard (MMS) which is referenced in the consultation
  • the draft Code documents which are referenced in the consultation: see Package 2

 

Key Documents

 

To contribute to the CIBSE response please use the following document HNTAS Draft Documents CIBSE Comments Template and email it to [email protected] by the 25th March 2026 with any comments. This consultation closes on the 15th April. You can respond yourself using the online survey.

 

Package 2

 

Heat Network Technical Assurance Scheme (HNTAS): draft Code documents

 

Draft new build and existing heat network technical specifications and assessment procedures to help heat networks demonstrate compliance with the Heat Network Technical Assurance Scheme (HNTAS).

 

Key Documents

 

New build heat networks: draft technical specifications


New build heat networks: draft assessment procedures

Existing heat networks: draft technical specifications

Existing heat networks: draft assessment procedures

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