Guidance

Heat networks regulation: technical standards

We are introducing regulatory technical requirements and a Heat Network Technical Assurance Scheme (HNTAS) to help heat network operators demonstrate compliance.

• From: Department for Energy Security and Net Zero
• Published: 2 April 2024
• Last updated: 16 February 2026
  Show all updates

  1. 16 February 2026

     Published information on the HNTAS technical feedback process.

  2. 21 January 2026

     Updates made to governance structure and stakeholder engagement information.

  3. 5 January 2026

     Added links to draft technical specifications and assurance procedures for existing heat networks.

  4. 15 December 2025

     Added links to new draft HNTAS Technical Specifications and Assessment Procedures.

  5. 18 November 2025

     Draft Heat network technical standard TS1 published.

  6. 27 August 2025

     Added link to the Heat Networks Technical Standards Training Hub.

  7. 30 July 2025

     Added links to HNTAS technical specifications and assessment procedures.

  8. 30 April 2025

     HNTAS is due to launch in 2026.

  9. 30 July 2024

     Updated timelines; added information about and link to the CIBSE Heat networks: Code of Practice for the UK (CP1); added reference materials - 2 papers presented at CIBSE Technical Symposia and link to newsletters.

  10. 2 April 2024

      First published.

Documents

Heat Network Technical Assurance Scheme (HNTAS)

HTML

Huge changes to regulate UK heat networks, including technical standards, zoning and consumer protection

PDF, 2.32 MB, 17 pages

Developing a Heat Networks Technical Assurance Scheme in the UK

PDF, 502 KB, 11 pages

Details

An outline of the upcoming regulatory technical requirements and corresponding assurance scheme established to help heat network operators demonstrate compliance.