UK Housing Airtightness (Air-Presure Test) DataSet

Official notice

Authority: Department for Energy Security & Net Zero (Central government)

Direct awardSME suitableVCSE suitable

Sectors: Research & Development (R&D) (73) Delivery: Delivery location not published

Awarded value£27,500published award · exc. VAT

Award in standstill Not publishedno call for competition

Award (standstill) to Build Test Solution

What is being bought

Published requirement description

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.

The lotProcurement structure

single lot · no lot value published

Lot #1AwardedSMEVCSE

Eligibility: SME eligibleVCSE eligible

73110000 Research services

Procedure terms & legal framework

From the official record

Procedure method: Direct award
Legal basis: UKPGA · 2023/54 Procurement Act 2023
Notice status: Awarded without competition
Procurement threshold: Unspecified in notice
Regulatory regime: Standard
Commercial structure: Stand-alone contract (no framework)
Competition type: Direct award (no call for competition)
GPA / WTO covered: Unspecified in notice
Recurring procurement: Unspecified in notice
First published: 2 Feb 2026, 15:27 GMT
Last source update: 2 Feb 2026, 15:27 GMT
FTS notice number: 2026/S 000-009074
Latest notice: Transparency notice (UK5)
Delivery area: Not published
Official registry OCID: ocds-h6vhtk-06147c Find a Tender

Why no open competition: Single Suppliers Technical Reasons
Published justification: 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).

Notice history

2 events · 1 release on Find a Tender · since 2 Feb 2026

Transparency notice published
2 Feb 2026, 15:27 GMT
UK5
Contract signature expected
23 Feb 2026, 23:59 GMT
scheduled

Commercial outcome & contract awards

Published awards, contracts and bid statistics, not a forecast

Awards 1some still in standstill

Awarded value £27,5001 award exc. VAT

Awarded to	Value	Date	Status
Build Test Solution2 Mar 2026 – 31 Mar 2026	£27,500	—	Standstill

Contracting authority & participating public bodies

Department for Energy Security & Net Zero

Contracting authorityPublic authority - central government GB-PPON: PDHQ-2163-WYMH 55 Whitehall, London, London, SW1A 2HPContact email

Bidders & participating suppliers

1 commercial party on the notice

Build Test SolutionAwarded supplier Building 8, The old Depot, Weedon, East Midlands, NN7 4PSContact email

Official documents & specifications (1)

Official links; attachments are not copied

Notices published for this procedure

Transparency notice awardTransparency noticeUK5Transparency notice on Find a Tender2 Feb 2026, 15:27 GMT