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BUYING ORGANISATION

UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED

Published procurement activity · 83 tenders

ORGANISATION DETAILS

UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED

Buyer information published with procurement notices.

Published identifier
GB-COH 03857752
Address
Warrington, UKD61, WA3 6AE, United Kingdom
First notice
22 Jan 2025
Latest notice
12 Oct 2026
Contracts FinderFind a Tender
All tenders83£64.2mCombined published value
Open11£12.6mCombined published value
Closed1£2.5mCombined published value
Awarded57£12mCombined published value
Cancelled0—No published tender values
ISSUED TENDERS

57 tenders

All · 83Open · 11Closed · 1Awarded · 57Cancelled · 0

Supply of Aerosol Spectrometer

UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED · UKD61

Purchase of two aerosol spectrometer instruments to enable the characterisation of particles associated with the SL DF determination of MSSS and PFCS experimental work.

Sources Find a TenderPublished 12 Oct 2026Reference 095975-2026
£67.9kContract value · excl. VAT£81.4k incl. VAT

NNLC728

UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED · Warrington

This is a four year call off service contract for the scanning electron microscopes - Tescan XEIA (Central Lab) and Tescan Mira (Windscale), using the LUPC High Value Laboratory Equipment (HVLE) framework(LAB3162NW HVLE - Lot 2). It will be based on a 1+1+1+1 arrangement

Sources Contracts FinderPublished 9 Oct 2026Closes 30 Mar 2026Reference fb7df819-be99-41f4-954f-85d13310d337-917262Sector 50430000 — Repair and maintenance services of precision equipment
£444.8kEstimated value

Supply of Equipment for HALEU Deconversion Experimental Programme

UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED · UKD61

This contract appoints a single supplier to supply laboratory scale equipment to support UKNNL's powder capability Research and Development (R&D) work under the HALEU Deconversion Project, funded by DESNZ. UKNNL requires support on the design and manufacture of four pieces of laboratory scale equipment/technologies: • Hopper •

Sources Find a TenderPublished 1 Oct 2026Reference 093011-2026
£63.8kContract value · excl. VAT£76.6k incl. VAT

NIRAB Chair

UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED · UKD61

Contract for the appointment of the NIRAB Chair.

Sources Find a TenderPublished 1 Oct 2026Reference 092961-2026
£46.8kContract value · excl. VAT£56.2k incl. VAT

Muon Technical De-risking Programme

UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED · UKD61

Open the opportunity to review the published procurement information.

Sources Find a TenderPublished 25 Sept 2026Reference 090891-2026
Value not statedNo published estimate

Advisory and Consultancy Services to support WIT 2 Coding.

UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED · UKD61

Advisory and consultancy servies to support UKNNL staff performing internal developments to WIT 2 coding. Work is in support of HALES.

Sources Find a TenderPublished 7 Sept 2026Reference 084305-2026
£30.5kContract value · excl. VAT£36.6k incl. VAT

Institute for Customer Service Membership

UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED · UKD61

Membership of The Institute of Customer Service supports UKNNL's commitment to continuous customer service improvement and excellence. The Institute is the provider of the UK Customer Satisfaction Index (UKCSI), enabling UKNNL to benchmark customer performance against recognised national standards. Continuity of membership maint

Sources Find a TenderPublished 25 Aug 2026Reference 080844-2026
£54kContract value · incl. VAT

Preliminary Design Call-off Contract

UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED · UKD61

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.

Sources Find a TenderPublished 20 Aug 2026Reference 079443-2026
£887.8kContract value · excl. VAT£1.1m incl. VAT

Strategic Design Partner to Support Deconversion - Framework Agreement

UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED · UKD61

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

Sources Find a TenderPublished 20 Aug 2026Reference 079420-2026
£3.5mContract value · excl. VAT£4.2m incl. VAT

Provision of ANSWERS/FISPIN Nuclear Software Codes

UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED · UKD61

This contract is for the renewal of licences for the ANSWERS/FISPIN nuclear software suite, including specialist codes used for nuclear safety analysis, criticality assessments, radiation transport, shielding calculations, and reactor physics modelling. The software supports established analytical methodologies and regulatory-ap

Sources Find a TenderPublished 19 Aug 2026Reference 079231-2026
£603.3kProposed award value · excl. VAT£724k incl. VAT

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.