Home / Opportunities / Opportunity
PROCUREMENT OPPORTUNITY

Cardiff Heat Network Expansion Project

Cardiff Council · Preliminary market engagement notice on Find a Tender

Tender information last checkedLast checked 5 Oct 2026, 06:03.

Opportunity overview

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

Classification

  • CPV45200000 — Works for complete or part construction and civil engineering work

Lots

  • Lot 1Value not stated

Documents and notices

Published notice details

Additional information from the published procurement release. Fields appear only when supplied by the source; check the original notice and tender documents before acting.

Scope, procedure and submissions

Id
ocds-h6vhtk-060723
Main Procurement Category
works
Above Threshold
Yes
Status
planning

Legal basis

Id
2023/54
Scheme
UKPGA

Techniques

Has Framework Agreement
Yes

Communication

Future Notice Date
1 Oct 2026, 23:59

Lots and requirements

Entry 1
Id
1
Has Renewal
Yes
Status
planning

Suitability

Sme
Yes

Contract period

Starts
1 Dec 2026, 00:00
Ends
30 Nov 2030, 23:59
Max Extent Date
30 Nov 2034, 23:59

Items and delivery

Item 1
Id
1
Related Lot
1

Additional Classifications

Entry 1
Scheme
CPV
Id
45200000
Description
Works for complete or part construction and civil engineering work

Delivery locations

Entry 1
Region
UKL22
Country
GB
Country Name
United Kingdom

Planning and budget

Milestones

Entry 1
Id
engagement
Type
engagement
Description
We are requesting capability statements and expression of interests from suitable contractors or consortiums.
Due
9 Feb 2026, 23:59
Status
scheduled

Documents

Entry 1
Id
003683-2026
Document Type
marketEngagementNotice
Notice Type
UK2
Description
Preliminary market engagement notice on Find a Tender
Published
16 Jan 2026, 08:23
Format
text/html

Buyer, suppliers and contacts

Organisation 1
Name
Cardiff Council
Id
GB-PPON-PVHP-5769-YHRQ

Identifier

Scheme
GB-PPON
Id
PVHP-5769-YHRQ

Address

Street Address
County Hall
Locality
Cardiff
Postal Code
CF10 4UW
Country
GB
Country Name
United Kingdom
Region
UKL22

Contact

Roles

buyer

Details

Classifications

Entry 1
Scheme
UK_CA_TYPE
Id
publicAuthoritySubCentralGovernment
Description
Public authority - sub-central government
Entry 2
Scheme
UK_CA_DEVOLVED_REGULATIONS
Id
GB-WLS
Description
Welsh devolved regulations apply

Recorded locations

  • Buyer location · Cardiff · UKL22 · CF10 4UW · United Kingdom
  • Delivery location · UKL22 · United Kingdom

Notice and amendment history

1 published notice version reviewed by ProcuraAxis.

1 VERSION
  1. 003683-2026Preliminary market engagement notice on Find a Tender ·