---
title: "Energy and Decarbonisation Framework - Preliminary Market Engagement"
ocid: "ocds-h6vhtk-056542"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-056542"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-056542.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-056542.json"
source: "Find A Tender Service"
current_stage: "Planning"
buyer: "CAERPHILLY COUNTY BOROUGH COUNCIL"
published: "2025-08-01"
---

# Energy and Decarbonisation Framework - Preliminary Market Engagement

Buyer: CAERPHILLY COUNTY BOROUGH COUNCIL  
Current stage: Planning  
OCID: ocds-h6vhtk-056542

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-056542)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-056542.json)

## Summary

Caerphilly County Borough Council is in the planning stage for an upcoming procurement titled "Energy and Decarbonisation Framework," focusing on the industry category of energy retrofitting and decarbonisation works. The Council, headquartered at Penallta House, Tredomen Park in Hengoed, UK, is engaging in a market engagement process to solicit feedback from potential suppliers. The framework is set to address energy assessments, structural work, heating system upgrades, and implement renewable energy systems. Important deadlines include the conclusion of the preliminary market engagement exercise on 29 August 2025, with a future notice expected by 17 October 2025. The planned duration for work commencement is from 1 April 2026 to 31 March 2029, with a potential extension until March 2034.

This tender presents significant growth opportunities for businesses specialising in building installation, energy efficiency consulting, and architectural services. It is especially suited for small and medium-sized enterprises experienced in retrofit strategies and the deployment of low-carbon technologies. The contract value is substantial, with a gross amount of £240 million, offering firms a chance to secure long-term engagements and enhance their market presence. By participating in this framework, companies can contribute to achieving the Welsh Housing Quality Standard while fostering sustainable development and innovation in energy management practices.

## Notice

Caerphilly County Borough Council is undertaking this preliminary market engagement exercise to seek feedback from suppliers, contractors and other interested parties concerning the Council's intention to establish a Framework for the provision of retrofit and decarbonisation works. Scope of Works - The framework will encompass a wide range of activities, including: Energy Assessments, Design and Planning: Conducting detailed property surveys to determine energy performance and develop tailored retrofit strategies, design and coordination. Insulation and Weatherproofing: Installing and upgrading loft, cavity wall, and external wall insulation to enhance thermal efficiency. Structural Work: Allowance for remedial structural works to take place, such as cavity wall ties, expansion joints etc. Heating System Upgrades: Transitioning to low-carbon heating solutions such as air source heat pumps and district heating networks. Windows and Doors: Replacing outdated glazing with double/triple glazing and implementing airtight sealing to minimise heat loss. Renewable Energy Systems: Installing solar PV panels, battery storage systems, and energy management solutions to harness renewable energy sources. Ventilation and Air Quality Improvements: Installing Mechanical Ventilation with Heat Recovery (MVHR) systems to maintain optimal indoor air quality and mitigate damp issues. Quality Assurance and Compliance: Implementing rigorous inspections, performance testing, and ongoing monitoring to maintain PAS 2035 standards. Training and Workforce Development: Offering PAS 2035 training programs for contractors and staff to ensure knowledge transfer and compliance. Resident Engagement: Educating tenants on retrofit benefits, providing clear guidance on how to maximise energy savings post-installation. Post-Retrofit Maintenance and Support: Developing long-term maintenance strategies to ensure sustained efficiency and performance.

### Planning Information

Caerphilly County Borough Council (the “Council”) is seeking feedback from suppliers, contractors and other interested parties to help the Council to increase its market understanding and inform the development of the procurement to ensure that it meets the Council’s objectives.
This preliminary market engagement exercise is open to all interested parties.
To participate in the preliminary market engagement exercise, please ensure you have an active account on our e-Tendering portal, Proactis:
https://supplierlive.proactisp2p.com/
Within Proactis, you can find the exercise within the opportunity:
Energy and Decarbonisation Framework - Preliminary Market Engagement
RQST14531
The exercise consists of two elements, the Preliminary Market Engagement Document, which can be found within the Request Documents tab, and the Preliminary Market Engagement Questionnaire, linked further below.
To participate in the exercise, please download and review the Preliminary Market Engagement Document. Once you have read through the document and supporting appendices, please complete the Preliminary Market Engagement Questionnaire.
For support and assistance with participating in this exercise, please contact a member of the Supplier Relationship Team, who’s details have been provided below:
Jemma Ford
01443 863163
fordj1@caerphilly.gov.uk
Hayley Jones
01443 863234
Jonesh21@caerphilly.gov.uk

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/045048-2025 |
| Notice type | UK2 - Preliminary Market Engagement Notice |
| Procurement type | Framework |
| Procurement category | Works |
| Procurement method | Not Specified |
| Procurement method details | Not specified |
| Tender suitability | SME |
| Awardee scale | Not specified |
| All stages | Planning |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 1 Aug 2025 |
| Submission deadline | Not specified |
| Future notice date | 17 Oct 2025 |
| Award date | Not specified |
| Contract period | 31 Mar 2026 - 31 Mar 2029 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £200,000,000 |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Planned |
| Lots status | Planned |
| Awards status | Not specified |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | CAERPHILLY COUNTY BOROUGH COUNCIL |
| Locality | HENGOED |
| Post town | Cardiff |
| Postcode | CF82 7PG |
| Country | Wales |
| ITL 1 | TLL Wales |
| ITL 2 | TLL5 South East Wales |
| ITL 3 | TLL53 Gwent Valleys |
| Local authority | Caerphilly |
| Electoral ward | Ystrad Mynach |
| Westminster constituency | Caerphilly |
| Delivery location | TLL16 Gwent Valleys |

## CPV Codes

### Divisions

- 45 - Construction work
- 50 - Repair and maintenance services
- 71 - Architectural, construction, engineering and inspection services

### Codes

- 45111240 - Ground-drainage work
- 45111250 - Ground investigation work
- 45112700 - Landscaping work
- 45260000 - Roof works and other special trade construction works
- 45300000 - Building installation work
- 45400000 - Building completion work
- 50710000 - Repair and maintenance services of electrical and mechanical building installations
- 71200000 - Architectural and related services
- 71210000 - Advisory architectural services
- 71220000 - Architectural design services
- 71310000 - Consultative engineering and construction services
- 71320000 - Engineering design services

## Release History

- 1 Aug 2025 at 08:50 - Planning - UK2 - Preliminary Market Engagement Notice - https://www.find-tender.service.gov.uk/Notice/045048-2025
- 24 Jul 2025 at 10:33 - Planning - UK1 - Pipeline Notice - https://www.find-tender.service.gov.uk/Notice/042668-2025

## Documents

- https://www.find-tender.service.gov.uk/Notice/045048-2025
  1st August 2025 - Preliminary market engagement notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/042668-2025
  24th July 2025 - Pipeline notice on Find a Tender

## Notice URLs

- http://www.caerphilly.gov.uk
- https://supplierlive.proactisp2p.com/
- https://www.legislation.gov.uk/ukpga/2023/54/contents

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-056542. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-056542.json.
