Winnable

Open tenders / Architecture, engineering & surveying

Open tender · Notice 098720-2026

Byker District Heat Network

Karbon Homes

Value
£145m
Closes
20 Nov 2026 (12 days)
Where
North East
Lots
1
Suitable for SMEs
Not stated
Contract
1 Jan 2027 – 31 Dec 2067

In plain English

Karbon Homes wants a supplier to design, build, finance, operate and maintain the decarbonised Byker District Heat Network in Newcastle upon Tyne, serving 1,985 connections on a live, occupied, Grade II* listed estate. The contract is estimated at £145,000,000 over its full term, from 1 January 2027 to 31 December 2067, and bids are due by 20 November 2026 through the Panacea e-Sourcing portal.

Good fit for: Large energy and heat network firms or consortia able to design, build, fund and run district heating for decades.

The catch (with the notice's own words):
  • Must be able to finance the project as well as build and run it design, build, finance, operation and maintenance of the decarbonised Byker District Heat Network
  • Works on a live, occupied, listed estate The Byker estate is Grade II* listed, covers around 80 hectares and is live and occupied throughout.
  • Bids only through the online portal; post and email rejected Tenders submitted via postal, or email methods will not be accepted.

Written with AI from the official notice. Check the notice before relying on it.

What the buyer says

Karbon Homes invites tenders for the design, build, finance, operation and maintenance of the decarbonised Byker District Heat Network in Newcastle upon Tyne. The Byker estate is Grade II* listed, covers around 80 hectares and is live and occupied throughout. There are 1,985 connections, being 1,815 Karbon Homes connections and 170 freeholder and non-domestic connections presently supplied by Newcastle City Council, of which 1,978 are residential and 7 are non residential. The network is served by the Walker Road energy centre and twelve substations. A preliminary market engagement notice for this procurement, reference 2026/S 000-060054, was published on 25 June 2026. The description of the scheme in that notice has been superseded and tenderers should refer to the information contained within this tender pack. All documents relating to this tender are available to download from the Panacea e-Sourcing portal. Submission Instructions: Electronically via the e-Sourcing portal. Suppliers must submit one copy of their tender electronically, with any additional documents required or requested. Documents must be compatible with Microsoft Office or Adobe/PDF. Should you require technical support with the e-Sourcing portal please email them directly at: • Email: support@panacea-software.com • Phone: [phone number on the official notice] Tenders must be submitted using the above e-Sourcing portal. Tenders submitted via postal, or email methods will not be accepted.

Getting the documents

app.panacea-software.com (linked from the notice).

Procedure: Competitive flexible procedure (Flexible: the buyer sets the stages, often a shortlist first, then bids). Published 19 Oct 2026.

What similar contracts went for

Similar contracts went for £300m to £406.5m (2 since 2026).

ContractWon byValueAwarded
Stockport Council - Heat Network Development Partner
Stockport Metropolitan Borough Council
Heat Networks Development Company No.1 Limited£406.5m10 Aug
Development & Funding Partner to develop the Birkenhead Heat Network
Wirral Council
Vital Energi Utilities Limited£300m24 Mar

From the award notices on Find a Tender and Public Contracts Scotland. Values are as each notice states them and cover the contract's whole term: most notices give the value before VAT, but about one in seven gives only a figure including VAT. AI picked these as the same kind of work and can be wrong, so check what each one included before you price.

Similar open tenders

Want tenders like this, matched to your firm?

Winnable emails the few new tenders that fit you each weekday, with the catch spelled out. £29/month after a 14-day free trial (no card needed).

Start free trial