---
title: "Provision of Specialist Nuclear Technical Services"
ocid: "ocds-h6vhtk-066005"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-066005"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-066005.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-066005.json"
source: "Find A Tender Service"
current_stage: "Planning"
buyer: "UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED"
published: "2026-03-31"
---

# Provision of Specialist Nuclear Technical Services

Buyer: UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED  
Current stage: Planning  
OCID: ocds-h6vhtk-066005

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## Summary

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.

## Notice

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.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/029429-2026 |
| 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 |
| All stages | Planning |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 31 Mar 2026 |
| Submission deadline | Not specified |
| Future notice date | 23 Mar 2026 |
| Award date | Not specified |
| Contract period | 30 Jun 2026 - 30 Jun 2034 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £10,000,000 |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Planned |
| Lots status | Planned |
| Awards status | Not specified |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED |
| Locality | WARRINGTON |
| Post town | Warrington |
| Postcode | WA3 6AE |
| Country | England |
| ITL 1 | TLD North West (England) |
| ITL 2 | TLD6 Cheshire |
| ITL 3 | TLD61 Warrington |
| Local authority | Warrington |
| Electoral ward | Birchwood |
| Westminster constituency | Warrington North |
| Delivery location | Not specified |

## CPV Codes

### 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

### 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

## Release History

- 31 Mar 2026 at 08:41 - Planning - UK2 - Preliminary Market Engagement Notice - https://www.find-tender.service.gov.uk/Notice/029429-2026
- 2 Mar 2026 at 15:52 - Planning - UK1 - Pipeline Notice - https://www.find-tender.service.gov.uk/Notice/018596-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/029429-2026
  31st March 2026 - Preliminary market engagement notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/018596-2026
  2nd March 2026 - Pipeline notice on Find a Tender

## Notice URLs

- http://www.uknnl.com
- https://www.legislation.gov.uk/ukpga/2023/54/contents
- https://www.ticketsource.com/national-nuclear-laboratory/t-xddqmao

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-066005. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-066005.json.
