---
title: "Contract Award - Home Energy Model (HEM) Lot 1"
ocid: "ocds-b5fd17-5e00785b-dc65-4324-9ee6-643b6d3c3c01"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-5e00785b-dc65-4324-9ee6-643b6d3c3c01"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-5e00785b-dc65-4324-9ee6-643b6d3c3c01.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-5e00785b-dc65-4324-9ee6-643b6d3c3c01.json"
source: "Contracts Finder"
current_stage: "Award"
buyer: "DESNZ"
published: "2025-05-12"
---

# Contract Award - Home Energy Model (HEM) Lot 1

Buyer: DESNZ  
Current stage: Award  
OCID: ocds-b5fd17-5e00785b-dc65-4324-9ee6-643b6d3c3c01

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-b5fd17-5e00785b-dc65-4324-9ee6-643b6d3c3c01)  
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## Summary

The procurement process, managed by the Department for Energy Security and Net Zero (DESNZ) based in London, focuses on the development and maintenance of the Home Energy Model (HEM) under Lot 1, valued at £1,900,000. The classification under the tender aligns with IT services and research and development services. The contract’s timeline spans from May 8, 2025, to May 7, 2027, and covers territories such as British Oversea Territories, Channel Islands, Isle of Man, Europe, and the UK. This process reached the award stage on May 12, 2025, via an open procedure that caters predominantly to service-providing industries. Sustenic Limited, a small to medium-sized enterprise (SME) located in London, was awarded the contract, indicating active SME participation.

This tender offers significant opportunities for businesses specialising in IT services, particularly those engaged in consulting, software development, and related support. Given the open procurement method, companies of various sizes, especially SMEs, had ample opportunity to compete, paving the way for potential growth through governmental contracts. The nature of the project, revolving around energy models and standard assessment procedures, is especially suited for firms with a background in research, development, and technological innovation, enhancing their portfolios in the energy and consultancy sectors.

## Notice

Contract Award notice for: The provision of HEM development and maintenance Lot 1 of the procurement program Home Energy Model (HEM), Standard Assessment Procedure (SAP) and Reduced Data Standard Assessment Procedure (RdSAP) - Maintenance and Methodologies

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/bf0eaf13-2d88-40aa-8595-4b8795521c0f |
| Notice type | Award Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Open |
| Procurement method details | Open procedure (above threshold) |
| Tender suitability | SME |
| Awardee scale | SME |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 12 May 2025 |
| Submission deadline | 17 Mar 2025 |
| Future notice date | Not specified |
| Award date | 7 May 2025 |
| Contract period | 7 May 2025 - 7 May 2027 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £1,900,000 |
| Lots value | Not specified |
| Awards value | £2,680,000 |
| 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 2JP |
| 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 | SUSTENIC |

## CPV Codes

### Divisions

- 72 - IT services: consulting, software development, Internet and support
- 73 - Research and development services and related consultancy services

### Codes

- 72000000 - IT services: consulting, software development, Internet and support
- 73000000 - Research and development services and related consultancy services

## Release History

- 12 May 2025 at 10:32 - Award - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/bf0eaf13-2d88-40aa-8595-4b8795521c0f

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/bf0eaf13-2d88-40aa-8595-4b8795521c0f
  12th May 2025 - Awarded contract notice on Contracts Finder
- https://www.contractsfinder.service.gov.uk/Notice/Attachment/0456238c-e7a1-4b13-a415-1034682e7ed9
  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-b5fd17-5e00785b-dc65-4324-9ee6-643b6d3c3c01. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-5e00785b-dc65-4324-9ee6-643b6d3c3c01.json.