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Prior notice United Kingdom Works

Cardiff Heat Network Expansion Project

Buyer: Cardiff Council

Published
16 January 2026
Estimated value
£10,000,000
Place of performance
UKL22
Lots
1
Notice number
003683-2026
Reference
ocds-h6vhtk-060723
Official source
Official source

CPV codes

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 Con…

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Frequently asked questions

What is the estimated value of this tender?
The estimated value published by the buyer is £10,000,000.
Who is the buyer of this tender?
The contracting authority is Cardiff Council (United Kingdom).
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Data collected from official public procurement sources. Amounts as published by the buyer.