---
title: "PS25269 - Evaluation of Phase 4 of the Public Sector Decarbonisation Scheme"
ocid: "ocds-b5fd17-92a38da0-9884-4163-8c85-024ec9df98ef"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-92a38da0-9884-4163-8c85-024ec9df98ef"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-92a38da0-9884-4163-8c85-024ec9df98ef.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-92a38da0-9884-4163-8c85-024ec9df98ef.json"
source: "Contracts Finder"
current_stage: "Award"
buyer: "DESNZ"
published: "2026-01-07"
---

# PS25269 - Evaluation of Phase 4 of the Public Sector Decarbonisation Scheme

Buyer: DESNZ  
Current stage: Award  
OCID: ocds-b5fd17-92a38da0-9884-4163-8c85-024ec9df98ef

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## Summary

This public procurement process involves DESNZ as the buying organisation, who have engaged in a selective procurement method under a dynamic purchasing system to award a contract for the "PS25269 - Evaluation of Phase 4 of the Public Sector Decarbonisation Scheme." Classified under research and development services, this contract aims to conduct an independent evaluation of the Public Sector Decarbonisation Scheme's fourth phase. Although the procurement stage is complete with the award status being active, the contract period spans from 7th January 2026 to 17th December 2031. The work is set to be executed across several regions, including the United Kingdom, Channel Islands, and internationally.

This tender presents a substantial opportunity for businesses specialising in research and consultancy, especially those focused on impact evaluations within the energy or environmental sectors. The awarded supplier, GC Insight Limited, an SME based in Manchester, illustrates the opportunity for similar sized enterprises to leverage their expertise and scale to participate in projects promoted by government bodies like DESNZ. Engaging in such contracts can provide substantial growth avenues given the contract’s value of £449,832.38 GBP, reinforcing the potential for business expansion and visibility in the public sector. This creates an appealing prospect for SMEs looking to enhance their portfolio and reputation within government initiatives.

## Notice

***** THIS IS AN AWARD NOTICE, NOT A CALL FOR COMPETITION ***** This procurement is being concluded following a mini competition under the Crown Commercial Service RM6126 Research & Insights DPS. Brief Description of Requirement This contract is required to conduct an independent process, impact, and economic evaluation of Phase 4 of the Public Sector Decarbonisation Scheme (PSDS) in line with previous evaluations conducted for phases 1-3 of the scheme and the requirement to put in place proportionate evaluation for GMPP projects.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/6558033f-5c00-47a5-805a-69507e34772b |
| Notice type | Award Notice |
| Procurement type | Dynamic |
| Procurement category | Services |
| Procurement method | Selective |
| Procurement method details | Call-off from a dynamic purchasing system |
| Tender suitability | SME |
| Awardee scale | SME |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 7 Jan 2026 |
| Submission deadline | 3 Dec 2025 |
| Future notice date | Not specified |
| Award date | 18 Dec 2025 |
| Contract period | 7 Jan 2026 - 17 Dec 2031 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | £449,832 |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Not specified |
| Awards status | Active |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | DESNZ |
| Locality | SWINDON |
| Post town | Swindon |
| Postcode | SN2 1LF |
| Country | England |
| ITL 1 | TLK South West (England) |
| ITL 2 | TLK7 Gloucestershire and Wiltshire |
| ITL 3 | TLK71 Swindon |
| Local authority | Swindon |
| Electoral ward | Rodbourne Cheney |
| Westminster constituency | Swindon North |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | GC INSIGHT |

## CPV Codes

### Divisions

- 73 - Research and development services and related consultancy services

### Codes

- 73000000 - Research and development services and related consultancy services

## Release History

- 7 Jan 2026 at 12:58 - Award - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/6558033f-5c00-47a5-805a-69507e34772b

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/6558033f-5c00-47a5-805a-69507e34772b
  7th January 2026 - Awarded contract notice on Contracts Finder

## 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-b5fd17-92a38da0-9884-4163-8c85-024ec9df98ef. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-92a38da0-9884-4163-8c85-024ec9df98ef.json.