National Framework for Heat Network Connection & Supply

Summary

Gives access to heat network connections and continuous heat supply services. This helps buyers fulfil decarbonisation mandates. This is an open framework let under the Procurement Act 2023. It is open to central government and the wider public sector. 

Description

RM6422 National Framework for Heat Network Connection & Supply establishes a compliant, long-term route to market for public sector facilities across the UK. It is developed in partnership with the Department for Energy Security and Net Zero (DESNZ).

RM6422 directly supports upcoming heat network zoning regulations. It is open to any public sector body looking to connect to a local network. 

The agreement covers physical connection works such as civil engineering and pipework installation. It also covers ongoing heat supply contracts. It is an 8-year open framework with regular onboarding windows. This allows new suppliers and regional specialists to join as the UK market grows. 

Benefits

  • direct alignment with DESNZ heat network zoning regulations and UK net zero targets
  • open to all public sector bodies across the UK, whether located inside or outside designated heat zones
  • flexible 8-year open framework model that re-opens regularly to onboard new suppliers and regional SMEs
  • pre-established pricing frameworks benchmarked against market rates to ensure value for money
  • streamlined call-off processes designed to reduce procurement time and administrative burden for buyers
  • built-in commitments to social value, regional skills growth, fair work practices, and carbon reduction

Product types

  • Lot 1: Heat Network Connections & Supply: includes:
    • civil engineering works, pipework design and installation
    • physical connections to existing or developing heat networks
    • long-term heat supply delivery contracts

Customer engagement

Details about customer engagement opportunities and events will be announced shortly.

Supplier engagement

A supplier market engagement event for RM6422 will be held on Monday 9 November at 11.30am on Microsoft Teams. You can join online on Teams:

  • meeting ID: 324 824 803 550 662
  • passcode: Wa6L58Ak

Important links

Pipeline notice Read pipeline notice
Preliminary market engagement notice Read preliminary market engagement notice
Planned procurement notice Not available yet
Contract notice in Find a Tender (FTS) Not available yet
Tender documents Not available yet

Timeline

Activity Estimated dates
Pre-market engagement October – November 2026
Drafting of procurement documentation October – November 2026
Publication of Find a Tender (FTS) notice November 2026
Framework award June 2027