01 Procurement
Tender overview
- Buyer
- UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED
- Status
- Complete
- Procurement method
- Competitive flexible procedure
- Category
- services
- CPV classification
- Not supplied
- Tender period
- Not supplied — 16 January 2026
Description
Please note this notice is a copy of notice reference: 2026/S 000-027524 from March 2026, which is being republished to replace an incorrect notice reference: 2026/S 000-077106. This Contract Award Notice confirms the appointment by UKNNL of a single supplier framework agreement to undertake the role of "Strategic Design Partner" to support UKNNL with HALEU Deconversion. The Strategic Design Partner (SDP) Framework is intended to comprise of four stages, these are: Stage 1: Defining Period Stage 2: Preliminary Design Stage 3: Detailed Design Stage 4: Design Support During Manufacture UKNNL will enter into a new call-off for each stage of work, UKNNL reserves the right to not award future call-offs and to amend the call-off schedule for alternative HALEU Deconversion related design work. UKNNL will continually assess Key Performance Indicators to inform decision making surrounding future call-offs.
This page represents one OCDS contracting process. Notices can be revised over time. Values may be estimates, award values or contract values and should be read with their displayed stage and date.
02 Awards and contracts
Published award records
Strategic Design Partner to Support Deconversion - Framework Agreement
- Awarded
- 27 February 2026
- Award value
- £3,500,000
- Suppliers
- 1
- Signed contract
- 13 March 2026
Strategic Design Partner to Support Deconversion - Framework Agreement
- Awarded
- Not supplied
- Award value
- Not supplied
- Suppliers
- 1
- Signed contract
- 8 July 2026
Strategic Design Partner to Support Deconversion - Framework Agreement
- Awarded
- Not supplied
- Award value
- Not supplied
- Suppliers
- 1
- Signed contract
- 13 March 2026
03 Organisations
Buyers, suppliers and other parties
United Kingdom National Nuclear Laboratory
Chadwick House, Birchwood Park, Warrington, UKD61, WA3 6AE, United Kingdom
GB-PPON PVXT-8784-YGNVUNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED
Chadwick House Warrington Road, Warrington, UKD61, WA3 6AE, United Kingdom
Companies House 03857752 →NORTH WEST PROJECTS LIMITED (trading as ACTEMIUM DESIGN UK)
Rutherford Point Eaton Avenue, Chorley, UKD45, PR7 7NA, United Kingdom
Companies House 02089134 →Companies House links appear only for explicit GB-COH identifiers. BritDB does not create company links from a similar name or address.
04 Provenance
Source for this process
Contains public sector information licensed under the Open Government Licence v3.0. Official external links are available only on the source transition page.