---
title: "UK Housing Airtightness (Air-Presure Test) DataSet"
ocid: "ocds-h6vhtk-06147c"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06147c"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-06147c.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-06147c.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "DEPARTMENT FOR ENERGY SECURITY & NET ZERO"
published: "2026-02-02"
---

# UK Housing Airtightness (Air-Presure Test) DataSet

Buyer: DEPARTMENT FOR ENERGY SECURITY & NET ZERO  
Current stage: Award  
OCID: ocds-h6vhtk-06147c

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06147c)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-06147c.json)

## Summary

The Department for Energy Security & Net Zero has concluded a public procurement process for the creation of a dataset titled "UK Housing Airtightness (Air-Pressure Test) DataSet." This initiative falls under the industry category of research services and was conducted in London, United Kingdom. The procurement stage has reached the award phase, with the award notice published on 2nd February 2026. The contract is set to commence on 2nd March 2026 and will conclude by 31st March 2026. The procurement method employed was a direct award, justified under the Procurement Act 2023, primarily due to the absence of competition for technical reasons. The total contract value is £33,000, encompassing both VAT and net amounts.

This tender presents significant opportunities for businesses specialising in research services, particularly those proficient in data analysis and modelling related to housing airtightness. The project demands a substantial sample size of air-pressure test results, emphasising the need for suppliers capable of delivering extensive and high-quality datasets. Small and medium-sized enterprises (SMEs) and VCSEs are suitable to participate if they can meet the specific procurement criteria. The supplier selected for this contract is Build Test Solution, a large-scale organisation based in Weedon, indicating that businesses with established expertise and capacity in this domain stand a strong chance of success in similar future tenders.

## Notice

DESNZ requires results from real air pressure tests to validate the proposed infiltration methodology to be used for the Home Energy Model. A test data sample size of approx of 70,000 test results are needed to validate against is the critical requirement. The larger the sample of results, the more reliable the validation of the HEM methodology will be.

### Procurement Information

Provision of a curated, research-ready national dataset of dwelling airtightness/air-pressure test results for Great Britain's housing stock, including metadata and documentation sufficient for policy modelling and publication of aggregate statistics. Justification under Procurement Act 2023, s.41 (Direct award in special cases) and Schedule 5 justification (only a particular supplier can supply due to absence of competition for technical reasons and/or exclusive/proprietary rights; no reasonable alternatives).

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/009074-2026 |
| Notice type | UK5 - Transparency Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Direct |
| Procurement method details | Direct award |
| Tender suitability | SME, VCSE |
| Awardee scale | Large |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 2 Feb 2026 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 2 Feb 2026 |
| Contract period | 2 Mar 2026 - 31 Mar 2026 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | £27,500 |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Complete |
| Awards status | Pending |
| Contracts status | Not specified |

## 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 | BUILD TEST SOLUTION |

## CPV Codes

### Divisions

- 73 - Research and development services and related consultancy services

### Codes

- 73110000 - Research services

## Release History

- 2 Feb 2026 at 15:27 - Award - UK5 - Transparency Notice - https://www.find-tender.service.gov.uk/Notice/009074-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/009074-2026
  2nd February 2026 - Transparency notice on Find a Tender

## Notice URLs

- 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-06147c. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-06147c.json.