BUYING ORGANISATION
United Kingdom National Nuclear Laboratory
Published procurement activity · 14 tenders
ORGANISATION DETAILS
United Kingdom National Nuclear Laboratory
Buyer information published with procurement notices.
- Published identifier
- GB-PPON PVXT-8784-YGNV
- Address
- Warrington, UKD61, WA3 6AE, United Kingdom
- First notice
- 15 Jan 2025
- Latest notice
- 9 Apr 2026
Find a Tender
All tenders14£18.2mCombined published valueOpen5£15.9mCombined published valueClosed2£840kCombined published valueAwarded1£350kCombined published valueCancelled0—No published tender values United Kingdom National Nuclear Laboratory · UKD61
The aim of this procurement is to procure a nuclear subject matter expert (SME) support to support Capex readiness and benefit reviews within the Project Management Authority (PMA) function. This will initially be a 12-month contract to undertake – • Project readiness/deliverability reviews • Detailed scoping and feasibility ass
Sources Find a TenderPublished 9 Dec 2025Reference ocds-h6vhtk-05f1ca-2025-12-09T14:00:54ZSector 72224000 — Project management consultancy services
£300kEstimated value
United Kingdom National Nuclear Laboratory · UKD61
Request for information from companies with experience in muon technology.
Sources Find a TenderPublished 14 Nov 2025Reference ocds-h6vhtk-05e1c7-2025-11-14T15:30:29ZSector 73000000 — Research and development services and related consultancy services
£360kEstimated value · incl. VAT
United Kingdom National Nuclear Laboratory · UKD61
UKNNL is in collaboration with Westinghouse on Springfields Fuels (SFL) site in the development and substantiation of a commercial scale process for the manufacture of fuel salt for the Integral Molten Salt Reactor (IMSR) for a client. As part of the customer requirements, the fuel salt material must be provided to a set specifi
Sources Find a TenderPublished 7 Nov 2025Reference ocds-h6vhtk-05d2b2-2025-11-07T09:36:39ZSector 09340000 — Nuclear fuels
£150kEstimated value
United Kingdom National Nuclear Laboratory · UKD61
The United Kingdom National Nuclear Lab (UKNNL) requires the provision of and Advanced Thermal Hydraulics Modelling Tool.
Sources Find a TenderPublished 12 Jun 2025Reference ocds-h6vhtk-0547ba-2025-06-12T16:19:56+01:00Sector 34150000 — Simulators
£60kEstimated value · incl. VAT
United Kingdom National Nuclear Laboratory · UK
United Kingdom National Nuclear Laboratory (UKNNL) intends on establishing a DPS route to market for the Operations, Site Work and Facilities Management requirement, across 8 Lots.
Site Preparation
Building and Facility Construction and Maintenance Services
Industrial Production and Manufacturing Services
Heating, Ventilation an
Sources Find a TenderPublished 17 Jan 2025Closes 8 Jan 2029Reference ocds-h6vhtk-049a1d-2025-01-17T14:46:27ZSector 45000000 — Construction work
£15mEstimated value
Organisation details and tender classifications reflect information published by the original procurement sources. Similar buyer names are grouped only where an official identifier or compatible name and postcode provide a safe link.