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
HNTAS: New build heat networks - draft technical specifications for Energy Centres
HNTAS: New build heat networks - draft technical specifications for District Distribution Networks
HNTAS: New build heat networks - draft technical specifications for Substations
HNTAS: New build heat networks - draft technical specifications for Communal Distribution Networks
HNTAS: New build heat networks - draft technical specifications for Consumer Connections
HNTAS: New build heat networks - draft technical specifications for Consumer Heat Systems
New build heat networks: draft assessment procedures
HNTAS: New build heat networks - draft assessment procedures for Energy Centres
HNTAS: New build heat networks - draft assessment procedures for District Distribution Networks
HNTAS: New build heat networks - draft assessment procedures for Substations
HNTAS: New build heat networks - draft assessment procedures for Communal Distribution Networks
HNTAS: New build heat networks - draft assessment procedures for Consumer Connections
HNTAS: New build heat networks - draft assessment procedures for Consumer Heat Systems
Existing heat networks: draft technical specifications