Official UK procurement notice
Prototype Retrofit Project · UK public procurement notice
Authority: London Borough of Camden (Local council)
What is being bought
Published requirement descriptionThe London Borough of Camden (LBC) is proposing to develop a prototype solution to install rooftop solar PV generation and battery energy storage systems (BESS) to generate, store and optimise power usage at properties. The solution will develop a billing platform to provide residents with discounted energy bills and paying back the investor. The billing platform, payback mechanism and associated legal and financing structures are bespoke to the prototype. It is envisaged that the project will comprise an Energy Services Agreement (ESA) with a Special Purpose Vehicle (ESCo) and a number of supporting and ancillary contractual arrangements for the development of the prototype solution (including initial appointments for development services prior to entering into the ESA and other main project documents).
The lotProcurement structure
single lot · no lot value publishedProcedure terms & legal framework
From the official record- Procedure method
- Direct award
- Legal basis
- UKPGA · 2023/54 Procurement Act 2023
- Notice status
- Awarded without competition
- Procurement threshold
- Unspecified in notice
- Regulatory regime
- Standard
- Commercial structure
- Stand-alone contract (no framework)
- Competition type
- Direct award (no call for competition)
- GPA / WTO covered
- Unspecified in notice
- Recurring procurement
- Unspecified in notice
- First published
- 19 Dec 2025, 16:15 GMT
- Last source update
- 19 Dec 2025, 16:15 GMT
- Authority reference
DN800828- FTS notice number
2025/S 000-085086- Latest notice
- Transparency notice (UK5)
- Delivery area
- Official registry OCID
ocds-h6vhtk-05facdFind a Tender
- Why no open competition
- Prototypes Development; Single Suppliers Intellectual Property Exclusive Rights
- Published justification
The relevant justifications are paragraph 2 (Prototypes and development) and paragraph 5 (single suppliers) of Schedule 5 of the Procurement Act 2023.
Paragraph 2 of Schedule 5 (Prototypes and development): The project is being developed by LBC as a prototype to test the suitability of a retrofit solution to provide more affordable and more sustainable homes for its residents. It is being developed with L&G, supported by a specialist energy services platform provided by Sero. The prototype seeks to test the suitability and viability of an off-balance sheet, project finance structure (ESCo) that will provide the funding, installation, maintenance and operation of Energy-as-a-Service assets (Solar PV and BESS) onto residential properties owned by LBC for 30 year period. The project is unprecedented in both its offering and scale and duration. Approximately 3,000 homes are within scope, representing approximately 9% of LBC’s housing stock. This is a prototype which is part of a wider programme of piloting different routes to decarbonisation. It involves the development of novel goods and services at the request of LBC as a trial for an even larger investment at some point in the future, which it is envisaged can be made subject to a competitive procurement.
Paragraph 5 of Schedule 5 (single suppliers): the project is being developed by LBC together with a partnership between L&G and Sero who have developed know-how and other intellectual property rights relevant to the prototype solution LBC wishes to develop. LBC is not aware of any reasonable alternatives that would allow for a competitive procurement of the proposed prototype.
- Risks
Not Applicable
Notice history
2 events · 1 release on Find a Tender · since 19 Dec 2025- Transparency notice published19 Dec 2025, 16:15 GMTUK5
- Contract signature expected1 Apr 2026, 23:59 BSTscheduled
Commercial outcome & contract awards
Published awards, contracts and bid statistics, not a forecast| Awarded to | Value | Date | Status |
|---|---|---|---|
| LEGAL AND GENERAL ASSURANCE SOCIETY LIMITED, Sero LifeSMEjoint awardSolar PV & Battery Retrofit at Scale (RaS) Project 2 Apr 2026 – 3 Apr 2056 | £110,000,000 | — | Standstill |
Contracting authority & participating public bodies
Bidders & participating suppliers
2 commercial parties on the notice- LEGAL AND GENERAL ASSURANCE SOCIETY LIMITEDAwarded supplier
- Sero Life LimitedAwarded supplier
Official documents & specifications (1)
Official links; attachments are not copiedNotices published for this procedure
- Transparency notice Transparency notice on Find a Tender