RFP QuestBeta
OpenStage · planning

Cardiff Council

Cardiff Heat Network Expansion Project

ConstructionCPV 45200000
Value£10.0m
Deadline
Published16 Jan 2026
RegionNationwide
Who to contact
ardalprocurement@cardiff.gov.uk

The procurement contact named on the official notice.

Contract value in context
£10.0mtotal contract value
median £158k
this tender£0£10.8m

This is a large award for Construction — above three-quarters of comparable contracts. Based on 64,002 valued Construction tenders in our corpus.

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The brief

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.

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

Key requirements

What the supplier must deliver

01

UKDEA Member Cardiff Heat Network Ltd (CHN)

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.

02

The scope is expected to include full

The scope is expected to include full design, civils, pipe and substation installation, commissioning and where an existing building, integration into secondary-side systems.

03

Easements and Access: Support with wayleaves

Easements and Access: Support with wayleaves and optimal routing.

04

Internal pipework modifications to connect to existing

internal pipework modifications to connect to existing secondary circuits), installation and commissioning of customer substations, BMS integration and controls.

Derived from the notice text — always confirm against the original documents.

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Source & provenance
OCID
ocds-h6vhtk-060723
Stage
planning · Planning
Source
Find a Tender
Buyer ref
003683-2026
View the original notice on Find a Tender

Contains public sector information licensed under the Open Government Licence v3.0. Source data © Crown copyright.

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