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Preliminary Design Call-off Contract

UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED

This public procurement record has 2 releases in its history.

Award

20 Aug 2026 at 13:09

UK7 - Contract Details Notice
Award

20 Aug 2026 at 13:04

UK6 - Contract Award Notice
Summary of the contracting process

United Kingdom National Nuclear Laboratory Limited procured preliminary design services for a deconversion research and development rig associated with high-assay low-enriched uranium (HALEU) deconversion. The requirement was the second call-off under the Strategic Design Partner Framework for HALEU Deconversion. The work falls within engineering services and is to be delivered in the United Kingdom. The buyer is a public authority based in Warrington. The procurement comprised one lot and covered the supplier’s preliminary design work for the deconversion R&D rig, rather than construction or full implementation of the facility. This is a specialist engineering design requirement connected with nuclear research and development, suited to organisations able to work within the buyer’s strategic design partner arrangements.

The procurement is complete and the contract has been awarded. It used a selective procedure as an award under an existing framework, with no reopening of competition for this call-off. North West Projects Limited, trading as Actemium Design UK, was awarded the contract on 1 July 2026. The awarded and contracted value is £887,763.96 excluding VAT, or £1,065,316.76 including VAT. The contract was signed on 9 July 2026. The contract period runs from 13 July 2026 to 24 February 2027, with a possible extension to 31 March 2027 under the NEC4 Professional Services Contract terms. The award period is recorded as starting on 20 August 2026 and ending on 24 February 2027.

This award indicates demand for specialist preliminary engineering design within the National Nuclear Laboratory’s HALEU deconversion programme. Suppliers best placed for comparable future requirements would need demonstrable capability in engineering design for research and development equipment, particularly where work relates to nuclear processes, uranium deconversion or other technically regulated environments. Credibility would also depend on the ability to operate as a strategic design partner and to produce design work suitable for progression into later technical or delivery stages. Experience of structured professional services contracts, including NEC4 PSC arrangements, would be relevant. The scale of the award suggests a substantial, focused design commission suited to an established engineering organisation or a consortium with the necessary nuclear, process and design assurance expertise.

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Notice Information

Notice Title

Preliminary Design Call-off Contract

Notice Description

This contract is the second call-off under the Strategic Design Partner Framework for HALEU Deconversion. The contracted supplier is to undertake Preliminary Design for the Deconversion R&D Rig.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-06e890
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/079443-2026
Current Stage
Award
All Stages
Award

Procurement Classification

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

Common Procurement Vocabulary (CPV)

CPV Divisions

71 - Architectural, construction, engineering and inspection services

CPV Codes

71300000 - Engineering services

Notice Value(s)

Tender Value
Not specified
Lots Value
Not specified
Awards Value
£887,763 £500K-£1M
Contracts Value
£887,763 £500K-£1M

Notice Dates

Publication Date
20 Aug 20266 days ago
Submission Deadline
Not specified
Future Notice Date
Not specified
Award Date
1 Jul 20261 months ago
Contract Period
13 Jul 2026 - 24 Feb 2027 6-12 months
Recurrence
Not specified

Notice Status

Tender Status
Complete
Lots Status
Complete
Awards Status
Active
Contracts Status
Active

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
WARRINGTON
Postcode
WA3 6AE
Postcode Area
Warrington
Country
England
Major Region (ITL 1)
TLD North West (England)
Basic Region (ITL 2)
TLD6 Cheshire
Small Region (ITL 3)
TLD61 Warrington
Delivery Location
Not specified
Local Authority
Warrington
Electoral Ward
Birchwood
Westminster Constituency
Warrington North

Supplier Information

Number of Suppliers
1
Supplier Name

NORTH WEST PROJECTS LIMITED (trading as ACTEMIUM DESIGN UK)

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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