Planning

Provision of Specialist Nuclear Technical Services

UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED

This public procurement record has 2 releases in its history.

Planning

31 Mar 2026 at 08:41

Planning

02 Mar 2026 at 15:52

Summary of the contracting process

The United Kingdom National Nuclear Laboratory Limited (UKNNL), a public authority operating under sub-central government jurisdiction, has initiated the planning stage for a tender titled "Provision of Specialist Nuclear Technical Services." This procurement process aims to establish a Nuclear Technical Services Framework to support UKNNL operations, extending from June/July 2026 to June/July 2030, with a possible extension to June/July 2034. The framework will address several lots, including Health Physics, Human Factors, and Environmental Services, among others. A market engagement session is scheduled for 16th April 2026 to brief potential suppliers on the framework's scope, with ticket sales closing on 15th April 2026. Located in Warrington, UK, the procurement categorised under services will involve regions across the whole of the United Kingdom.

This tender opens significant opportunities for businesses specialising in nuclear safety and technical services, particularly those in Health and Safety, Environmental Services, and Nuclear Consultancy. Leveraging a competitive flexible procedure, it is designed to be inclusive for SMEs and VCSEs, providing these smaller entities with a platform to expand within the nuclear sector. Companies with expertise in fire safety, quality assurance, and security services are also well-positioned to tender. This framework not only promises a wide range of collaborative opportunities but also offers a financial pool of £12 million, thus inviting a diverse array of service providers to engage with a prominent UK government agency.

Find more tenders on our Open Data Platform.
How relevant is this notice?

Notice Title

Provision of Specialist Nuclear Technical Services

Notice Description

UKNNL would like to invite suppliers to apply to join a new Open Framework to support with the supply of Nuclear Technical Services for the United Kingdom National Nuclear Laboratory.

Planning Information

UKNNL would like to invite suppliers to a market engagement session on Mircosoft Teams to find out more about the upcoming Open Framework Tender for a Nuclear Technical Services Framework. The framework will run from June/July 2026 until June/July 2030 with the option to extend the framework by a further 4 years, until June/July 2034. The session will run on Thursday 16th April 2026 from 13:30, lasting approximately 1 hour. The session will provide an overview of all the Lots included and the work envisaged in each lot, information on how the framework admittance will work and provide suppliers an understanding of the call-off mechanisms within the Framework. The Lots under this Framework are: • Lot 1 Health Physics • Lot 2 Human Factors • Lot 3 Radiological, Chemotoxic, • Lot 4 Criticality Safety, Shielding • Lot 5 Nuclear Safety Case Management /Advice • Lot 6 Fire Safety Assessment (Conventional & Nuclear) • Lot 7 Environmental • Lot 8 Quality and Assurance • Lot 9 Security • Lot 10 Cross Discipline Suppliers will also be issued with a draft Framework Specification and Rate Card to provide feedback on. To book a place and receive the Specification and Rate Card drafts please use this link: https://www.ticketsource.com/national-nuclear-laboratory/t-xddqmao Ticket Sales close on the 15th April 2026.

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-066005
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/029429-2026
Current Stage
Planning
All Stages
Planning

Procurement Classification

Notice Type
UK2 - Preliminary Market Engagement Notice
Procurement Type
Framework
Procurement Category
Services
Procurement Method
Not Specified
Procurement Method Details
Competitive flexible procedure
Tender Suitability
SME, VCSE
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

71 - Architectural, construction, engineering and inspection services

73 - Research and development services and related consultancy services

90 - Sewage, refuse, cleaning and environmental services

98 - Other community, social and personal services


CPV Codes

71317100 - Fire and explosion protection and control consultancy services

71317200 - Health and safety services

71317210 - Health and safety consultancy services

71620000 - Analysis services

73000000 - Research and development services and related consultancy services

90700000 - Environmental services

98113100 - Nuclear safety services

Notice Value(s)

Tender Value
£10,000,000 £10M-£100M
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
31 Mar 20261 months ago
Submission Deadline
Not specified
Future Notice Date
23 Mar 2026Expired
Award Date
Not specified
Contract Period
30 Jun 2026 - 30 Jun 2034 Over 5 years
Recurrence
Not specified

Notice Status

Tender Status
Planned
Lots Status
Planned
Awards Status
Not Specified
Contracts Status
Not Specified

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
Post Town
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

Further Information

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

Download

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.

{
    "tag": [
        "compiled"
    ],
    "id": "ocds-h6vhtk-066005-2026-03-31T09:41:51+01:00",
    "date": "2026-03-31T09:41:51+01:00",
    "ocid": "ocds-h6vhtk-066005",
    "initiationType": "tender",
    "planning": {
        "documents": [
            {
                "id": "018596-2026",
                "documentType": "plannedProcurementNotice",
                "noticeType": "UK1",
                "description": "Pipeline notice on Find a Tender",
                "url": "https://www.find-tender.service.gov.uk/Notice/018596-2026",
                "datePublished": "2026-03-02T15:52:54Z",
                "format": "text/html"
            },
            {
                "id": "029429-2026",
                "documentType": "marketEngagementNotice",
                "noticeType": "UK2",
                "description": "Preliminary market engagement notice on Find a Tender",
                "url": "https://www.find-tender.service.gov.uk/Notice/029429-2026",
                "datePublished": "2026-03-31T09:41:51+01:00",
                "format": "text/html"
            }
        ],
        "milestones": [
            {
                "id": "engagement",
                "type": "engagement",
                "description": "UKNNL would like to invite suppliers to a market engagement session on Mircosoft Teams to find out more about the upcoming Open Framework Tender for a Nuclear Technical Services Framework. The framework will run from June/July 2026 until June/July 2030 with the option to extend the framework by a further 4 years, until June/July 2034. The session will run on Thursday 16th April 2026 from 13:30, lasting approximately 1 hour. The session will provide an overview of all the Lots included and the work envisaged in each lot, information on how the framework admittance will work and provide suppliers an understanding of the call-off mechanisms within the Framework. The Lots under this Framework are: * Lot 1 Health Physics * Lot 2 Human Factors * Lot 3 Radiological, Chemotoxic, * Lot 4 Criticality Safety, Shielding * Lot 5 Nuclear Safety Case Management /Advice * Lot 6 Fire Safety Assessment (Conventional & Nuclear) * Lot 7 Environmental * Lot 8 Quality and Assurance * Lot 9 Security * Lot 10 Cross Discipline Suppliers will also be issued with a draft Framework Specification and Rate Card to provide feedback on. To book a place and receive the Specification and Rate Card drafts please use this link: https://www.ticketsource.com/national-nuclear-laboratory/t-xddqmao Ticket Sales close on the 15th April 2026.",
                "dueDate": "2026-04-15T23:59:59+01:00",
                "status": "scheduled"
            }
        ]
    },
    "parties": [
        {
            "id": "GB-COH-03857752",
            "name": "UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED",
            "identifier": {
                "scheme": "GB-COH",
                "id": "03857752"
            },
            "additionalIdentifiers": [
                {
                    "scheme": "GB-PPON",
                    "id": "PVXT-8784-YGNV"
                }
            ],
            "address": {
                "streetAddress": "Chadwick House Warrington Road",
                "locality": "Warrington",
                "postalCode": "WA3 6AE",
                "country": "GB",
                "countryName": "United Kingdom",
                "region": "UKD61"
            },
            "contactPoint": {
                "email": "Emma.Kirkpatrick@uknnl.com"
            },
            "roles": [
                "buyer"
            ],
            "details": {
                "url": "http://www.uknnl.com",
                "classifications": [
                    {
                        "id": "publicAuthoritySubCentralGovernment",
                        "scheme": "UK_CA_TYPE",
                        "description": "Public authority - sub-central government"
                    }
                ]
            }
        }
    ],
    "buyer": {
        "id": "GB-COH-03857752",
        "name": "UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED"
    },
    "tender": {
        "id": "NNL631F",
        "legalBasis": {
            "id": "2023/54",
            "scheme": "UKPGA",
            "uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents"
        },
        "title": "Provision of Specialist Nuclear Technical Services",
        "description": "UKNNL would like to invite suppliers to apply to join a new Open Framework to support with the supply of Nuclear Technical Services for the United Kingdom National Nuclear Laboratory.",
        "items": [
            {
                "id": "1",
                "additionalClassifications": [
                    {
                        "scheme": "CPV",
                        "id": "71317100",
                        "description": "Fire and explosion protection and control consultancy services"
                    },
                    {
                        "scheme": "CPV",
                        "id": "71317200",
                        "description": "Health and safety services"
                    },
                    {
                        "scheme": "CPV",
                        "id": "71317210",
                        "description": "Health and safety consultancy services"
                    },
                    {
                        "scheme": "CPV",
                        "id": "71620000",
                        "description": "Analysis services"
                    },
                    {
                        "scheme": "CPV",
                        "id": "73000000",
                        "description": "Research and development services and related consultancy services"
                    },
                    {
                        "scheme": "CPV",
                        "id": "90700000",
                        "description": "Environmental services"
                    },
                    {
                        "scheme": "CPV",
                        "id": "98113100",
                        "description": "Nuclear safety services"
                    }
                ],
                "deliveryAddresses": [
                    {
                        "region": "UK",
                        "country": "GB",
                        "countryName": "United Kingdom"
                    },
                    {
                        "region": "UK",
                        "country": "GB",
                        "countryName": "United Kingdom"
                    }
                ],
                "relatedLot": "1"
            }
        ],
        "value": {
            "amountGross": 12000000,
            "amount": 10000000,
            "currency": "GBP"
        },
        "procurementMethodDetails": "Competitive flexible procedure",
        "mainProcurementCategory": "services",
        "aboveThreshold": true,
        "techniques": {
            "hasFrameworkAgreement": true
        },
        "lots": [
            {
                "id": "1",
                "suitability": {
                    "sme": true,
                    "vcse": true
                },
                "contractPeriod": {
                    "startDate": "2026-07-01T00:00:00+01:00",
                    "endDate": "2034-06-30T23:59:59+01:00"
                },
                "status": "planned"
            }
        ],
        "communication": {
            "futureNoticeDate": "2026-03-23T23:59:59Z"
        },
        "status": "planned"
    },
    "language": "en"
}