Cardiff Heat Network Expansion Project

A Prior Information Notice
by CARDIFF COUNCIL

Source
Find a Tender
Type
Framework (Works)
Duration
4 year
Value
£0-£10M
Sector
CONSTRUCTION
Published
16 Jan 2026
Delivery
01 Dec 2026 to 30 Nov 2030
Deadline
n/a

Related Terms

Location

Cardiff and Vale of Glamorgan:

Geochart for 1 buyers and 0 suppliers

1 buyer

Description

UKDEA Member Cardiff Heat Network Ltd (CHN) is inviting early market interest for upcoming expansion projects to support the ongoing growth of the city’s low-carbon district heating system. Future works will be delivered on a call-off basis under a framework contract with the selected contractor. The works will encompass both small and large network connections to the existing networks, with anticipated annual contract values for individual packages ranging from £300,000 to £10 million. The scope is expected to include full design, civils, pipe and substation installation, commissioning and where an existing building, integration into secondary-side systems. The scope of the framework will include but not be limited: 1. Highways and Civil Works: GPR surveys, utility mapping, trial holes, trenching, reinstatement, and coordination within the public highway, TTRO’s, phase road closure coordination, etc. 2. Easements and Access: Support with wayleaves and optimal routing. 3. Pipe Installation and Commissioning: Pre-insulated pipework installation, welding, NDT testing, ice pigging, water filling, chemical conditioning, balancing, system commissioning and certification. 4. Building Connections: (where required - internal pipework modifications to connect to existing secondary circuits), installation and commissioning of customer substations, BMS integration and controls. 5. Design, Management & Safety: Multi-disciplinary design, project management, Principal Contractor role under CDM, community engagement and full compliance with health, safety, and environmental standards.

CPV Codes

  • 45200000 - Works for complete or part construction and civil engineering work

Indicators

  • Renewals are available.

Other Information

CHN is seeking capability statements and expressions of interest from suitable contractors or consortiums ahead of launching a formal procurement process which will take place via a procurement portal selected by CHN. If any member would like to respond to this request, please submit your expression of interest and capability statement via Proactis Any questions regarding this process please submit them via the question tab on Proactis ** PREVIEW NOTICE, please check Find a Tender for full details. **

Reference

  • ocds-h6vhtk-060723
  • FTS 003683-2026

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