---
title: "WH:SHF Wave 3 - Principal Contractor for Retrofit Installation Works"
ocid: "ocds-h6vhtk-065a88"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-065a88"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-065a88.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-065a88.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "DACORUM BOROUGH COUNCIL"
published: "2026-02-23"
---

# WH:SHF Wave 3 - Principal Contractor for Retrofit Installation Works

Buyer: DACORUM BOROUGH COUNCIL  
Current stage: Award  
OCID: ocds-h6vhtk-065a88

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[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-065a88.json)

## Summary

The procurement process administered by Dacorum Borough Council involves the commissioning of a Principal Contractor for retrofit installation works under the tender title "WH:SHF Wave 3 - Principal Contractor for Retrofit Installation Works." This process pertains to the construction industry category, with a focus on building installation work, specifically heating, ventilation, and air-conditioning installation. The contracting opportunity is placed within the administrative boundary of Dacorum, Hertfordshire, under the category of 'works,' and relates to the council's housing stock. The contract underwent modifications increasing its value to £47.6 million, addressing additional programme requirements without altering its scope. The procurement process had progressed to the award stage with Aaron Services Limited being the active contractor, and is set to end on 31 March 2031.

This tender presents significant opportunities for businesses specialising in construction and building installation works, particularly those with expertise in heating and ventilation systems. Firms experienced in retrofit installations, servicing, and maintenance within the residential sector stand to benefit from the scope of the works, which include potentially lucrative externally funded projects such as decarbonisation programmes. Large enterprises like Aaron Services Limited, due to their capacity and resources, may find themselves particularly well-suited for such extensive requirements. Companies seeking to expand their portfolio in sustainable housing solutions might find this contract an avenue for substantial business growth, given the emphasis on retrofit and decarbonisation works.

### Lot Information

Lot 1

The contract continues to provide domestic heating and ventilation installation, servicing, maintenance and associated works to housing stock owned and managed by Dacorum Borough Council. The modification increases the overall contract value to reflect additional programme requirements and delivery of externally funded works. The scope and overall nature of the contract remain unchanged.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/016257-2026 |
| Notice type | Award Notice |
| Procurement type | Standard |
| Procurement category | Works |
| Procurement method | Not Specified |
| Procurement method details | Not specified |
| Tender suitability | Not specified |
| Awardee scale | Large |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 23 Feb 2026 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 7 Feb 2024 |
| Contract period | Not specified |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | £47,600,000 |

## Status

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

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | DACORUM BOROUGH COUNCIL |
| Locality | HEMEL HEMPSTEAD |
| Post town | Hemel Hempstead |
| Postcode | HP1 1DN |
| Country | England |
| ITL 1 | TLH East (England) |
| ITL 2 | TLH2 Bedfordshire and Hertfordshire |
| ITL 3 | TLH27 South West Hertfordshire |
| Local authority | Dacorum |
| Electoral ward | Hemel Hempstead Town |
| Westminster constituency | Hemel Hempstead |
| Delivery location | TLH2 Bedfordshire and Hertfordshire |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | AARON SERVICES |

## CPV Codes

### Divisions

- 45 - Construction work

### Codes

- 45000000 - Construction work
- 45300000 - Building installation work
- 45331000 - Heating, ventilation and air-conditioning installation work

## Release History

- 23 Feb 2026 at 17:19 - AwardUpdate - Award Notice - https://www.find-tender.service.gov.uk/Notice/016257-2026

## Notice URLs

- https://ted.europa.eu/udl?uri=TED:NOTICE:004026-2024:TEXT:EN:HTML
- https://www.dacorum.gov.uk/home/open-data/

## 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-065a88. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-065a88.json.