---
title: "B57 HVAC & Electrical Infrastructure Upgrades"
ocid: "ocds-b5fd17-2b4deffd-aec2-4c56-888c-17b71de857a3"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-2b4deffd-aec2-4c56-888c-17b71de857a3"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-2b4deffd-aec2-4c56-888c-17b71de857a3.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-2b4deffd-aec2-4c56-888c-17b71de857a3.json"
source: "Contracts Finder"
current_stage: "Award"
buyer: "DEFRA"
published: "2026-06-18"
---

# B57 HVAC & Electrical Infrastructure Upgrades

Buyer: DEFRA  
Current stage: Award  
OCID: ocds-b5fd17-2b4deffd-aec2-4c56-888c-17b71de857a3

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-b5fd17-2b4deffd-aec2-4c56-888c-17b71de857a3)  
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## Summary

The Department for Environment, Food & Rural Affairs (DEFRA), based in London, United Kingdom, has completed the procurement process for the project titled "B57 HVAC & Electrical Infrastructure Upgrades." This construction work falls under the CPV classification 45000000 and was executed under a selective procurement method, specifically a call-off from a framework agreement. The project involves significant upgrades, including the removal and replacement of existing air handling and condensing units, and the installation of new water systems. The location for this project is in the South West region, postal code KT15 3NB. The contract, valued at £5,802,023.69, commenced on 23rd June 2026 and is set to end on 31st May 2027.

This contract presents substantial opportunities for businesses engaged in large-scale construction and infrastructure works, particularly those specialising in HVAC systems and electrical upgrades. While DEFRA's procurement method specified selective tendering, businesses involved in framework agreements or similar consortiums may find potential in pursuing similar future opportunities. Such projects can lead to business growth by enhancing expertise and credibility in high-value, government-backed infrastructure assignments. Companies like Walter Lilly & Co. Limited, who secured this contract, illustrate the viable prospects for established builders and specialists offering comprehensive engineering solutions.

## Notice

B57 HVAC & Electrical Infrastructure Upgrades Including removal and replacement of the existing Air Handling Unit (AHU), air-cooled condensing units (ACCUs) and associated systems, installation of new chilled water and low-temperature hot water systems and training and support for end-users.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/8f9a94ca-dbd0-4878-bd52-1e4c1cc31493 |
| Notice type | Award Notice |
| Procurement type | Framework |
| Procurement category | Works |
| Procurement method | Selective |
| Procurement method details | Call-off from a framework agreement |
| Tender suitability | Not specified |
| Awardee scale | Not specified |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 18 Jun 2026 |
| Submission deadline | 18 Jul 2025 |
| Future notice date | Not specified |
| Award date | 18 Jun 2026 |
| Contract period | 22 Jun 2026 - 31 May 2027 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £5,802,023 |
| Lots value | Not specified |
| Awards value | £5,802,023 |
| 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 | DEFRA |
| Locality | LONDON |
| Post town | South West London |
| Postcode | SW1P 4DF |
| Country | England |
| ITL 1 | TLI London |
| ITL 2 | TLI3 Inner London - West |
| ITL 3 | TLI35 Westminster and City of London |
| Local authority | Westminster |
| Electoral ward | St James's |
| Westminster constituency | Cities of London and Westminster |
| Delivery location | TLK South West (England) |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | WALTER LILLY |

## CPV Codes

### Divisions

- 45 - Construction work

### Codes

- 45000000 - Construction work

## Release History

- 18 Jun 2026 at 10:33 - Award - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/8f9a94ca-dbd0-4878-bd52-1e4c1cc31493

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/8f9a94ca-dbd0-4878-bd52-1e4c1cc31493
  18th June 2026 - Awarded contract notice on Contracts Finder
- https://www.contractsfinder.service.gov.uk/Notice/Attachment/e2d4c4a7-d8f5-41f4-82fc-6eb1db91abb4
  ECC option A_B57 HVAC_Redacted

## 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-b5fd17-2b4deffd-aec2-4c56-888c-17b71de857a3. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-2b4deffd-aec2-4c56-888c-17b71de857a3.json.