---
title: "con_8954 - HNTAS Interim Technical Support"
ocid: "ocds-b5fd17-d3fd4ac6-265b-4737-8fa2-809a54af2444"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-d3fd4ac6-265b-4737-8fa2-809a54af2444"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-d3fd4ac6-265b-4737-8fa2-809a54af2444.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-d3fd4ac6-265b-4737-8fa2-809a54af2444.json"
source: "Contracts Finder"
current_stage: "Award"
buyer: "DESNZ"
published: "2025-12-03"
---

# con_8954 - HNTAS Interim Technical Support

Buyer: DESNZ  
Current stage: Award  
OCID: ocds-b5fd17-d3fd4ac6-265b-4737-8fa2-809a54af2444

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## Summary

The procurement process for "con_8954 - HNTAS Interim Technical Support" by the Department for Energy Security and Net Zero (DESNZ) has reached the award stage. The contract, valued at £780,877.50, focuses on technical services within the Heat Network Technical Assurance Scheme (HNTAS) domain. DESNZ, located in London, England, engaged in a selective procurement method through a dynamic purchasing system. The contract period began on 17th November 2025 and is scheduled to conclude on 16th November 2026, with potential for two optional three-month extensions, each worth £225,000. The awarded supplier, Fair Heat Limited, is based in London, and the services are applicable across British Overseas Territories, the Channel Islands, Europe, the Isle of Man, Rest of the World, and the United Kingdom.

The tender provides significant opportunities for businesses specialising in technical services, particularly those capable of deploying developmental schemes like HNTAS. Its relevance spans multiple geographic locations. Companies skilled in dynamic purchasing systems will find the process beneficial for enhancing operations and business scope. Small and medium enterprises (SMEs), as well as voluntary, community and social enterprises (VCSEs), are especially suited to engage with this tender, facilitating strategic growth in the technical services industry through government infrastructure projects.

## Notice

DESNZ requires a contract to continue deploying additional GHNF funding This Contract between the Buyer and the Supplier is for Interim Technical Support to further develop HNTAS. The requirements includes work packages designed to support the continued development of the Heat Network Technical Assurance Scheme (HNTAS) in readiness for scheme introduction - see Order Schedule 20 (Order Specification) for full details. There are two optional 3 month extensions included in the contract, each valued at PS225k.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/7f2fce85-b380-40d0-93c6-fb5c1465d8f2 |
| 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, VCSE |
| Awardee scale | SME |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 3 Dec 2025 |
| Submission deadline | 10 Oct 2025 |
| Future notice date | Not specified |
| Award date | 17 Nov 2025 |
| Contract period | 17 Nov 2025 - 16 Nov 2026 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £780,877 |
| Lots value | Not specified |
| Awards value | £780,877 |
| 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 | LONDON |
| Post town | South West London |
| Postcode | SW1A 2HP |
| 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 | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | FAIR HEAT |

## CPV Codes

### Divisions

- 71 - Architectural, construction, engineering and inspection services

### Codes

- 71356000 - Technical services

## Release History

- 3 Dec 2025 at 16:28 - Award - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/7f2fce85-b380-40d0-93c6-fb5c1465d8f2

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/7f2fce85-b380-40d0-93c6-fb5c1465d8f2
  3rd December 2025 - Awarded contract notice on Contracts Finder
- https://www.contractsfinder.service.gov.uk/Notice/Attachment/d8d5f4c8-08a0-4a6e-a37a-d0af65de77b4
  n/a

## 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-d3fd4ac6-265b-4737-8fa2-809a54af2444. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-d3fd4ac6-265b-4737-8fa2-809a54af2444.json.