---
title: "Heat Zoning Core Digital Service"
ocid: "ocds-h6vhtk-06735a"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06735a"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-06735a.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-06735a.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "DEPARTMENT FOR ENERGY SECURITY & NET ZERO"
published: "2026-05-28"
---

# Heat Zoning Core Digital Service

Buyer: DEPARTMENT FOR ENERGY SECURITY & NET ZERO  
Current stage: Award  
OCID: ocds-h6vhtk-06735a

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06735a)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-06735a.json)

## Summary

The Department for Energy Security & Net Zero, a central government authority, has awarded a contract for the "Heat Zoning Core Digital Service" to TPX Impact Limited. This procurement focuses on developing a digital tool to support Local Authorities and Heat Network Developers in England with heat network zoning policy. The contract was awarded through a selective procurement method under the CCS Framework Technology Services 4 RM6190, Lot 2. Located in London, the project spans from 1 May 2026 to 30 November 2027, with the possibility of extension. The total contract value, including VAT, amounts to £3,239,314, reflecting its significance in the IT services sector.

This tender highlights substantial business opportunities, particularly for firms involved in IT services such as consulting, software development, and internet support. By providing core digital solutions, the project aims to enhance the understanding of zoning policies, an essential component in the growing heat networks sector in the UK. Large-scale enterprises with expertise in digital transformation and public sector partnerships would find this contract highly beneficial, establishing a foothold in the energy security domain. The contract's framework nature allows for targeted contributions while fostering sectoral growth and innovation.

## Notice

ward without Competition through CCS Framework Technology Services 4 RM6190, Lot 2 Development of a digital tool tool provide information to Local Authorities and Heat Network Developers in England to help understand heat network zoning policy and consume zone data.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/050555-2026 |
| Notice type | UK7 - Contract Details Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Selective |
| Procurement method details | Award under framework |
| Tender suitability | Not specified |
| Awardee scale | Large |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 28 May 2026 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 20 Mar 2026 |
| Contract period | 30 Apr 2026 - 30 Nov 2027 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | £2,699,428 |
| Contracts value | £2,699,429 |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Complete |
| Awards status | Active |
| Contracts status | Active |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | DEPARTMENT FOR ENERGY SECURITY & NET ZERO |
| 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 | TPX IMPACT |

## CPV Codes

### Divisions

- 72 - IT services: consulting, software development, Internet and support

### Codes

- 72000000 - IT services: consulting, software development, Internet and support

## Release History

- 28 May 2026 at 22:20 - Award - UK7 - Contract Details Notice - https://www.find-tender.service.gov.uk/Notice/050555-2026
- 24 Mar 2026 at 22:09 - Award - UK6 - Contract Award Notice - https://www.find-tender.service.gov.uk/Notice/027079-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/050555-2026
  28th May 2026 - Contract details notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/027079-2026
  24th March 2026 - Contract award notice on Find a Tender

## Notice URLs

- http://www.tpximpact.com
- https://www.find-tender.service.gov.uk/api/1.0/ocdsReleasePackages/ocds-h6vhtk-04eac3
- https://www.legislation.gov.uk/ukpga/2023/54/contents

## 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-06735a. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-06735a.json.