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Design support to retrievals

SELLAFIELD LIMITED

This public procurement record has 2 releases in its history.

PlanningUpdate

10 Aug 2026 at 10:43

UK1 - Pipeline Notice
Planning

13 May 2025 at 13:06

UK1 - Pipeline Notice
Summary of the contracting process

The public procurement process titled "Design support to retrievals" involves the buyer, Sellafield Limited, located in Warrington, United Kingdom. This procurement falls under the category of design support services for the nuclear industry, focusing on providing oversight and support for the Magnox Swarf Storage Silo and Pile Fuel Cladding Silo projects. The procurement is currently in the planning stage, with significant changes having been made to the initial procurement strategy to enhance efficiency. The revised strategy will implement a three-tranche competition phase, each managed as a separate competition with various sub-lots. The key date for future notice is set for 11 August 2026, with the contract period expected to run from 1 October 2026 to 30 September 2030.

This tender offers substantial opportunities for businesses specialising in nuclear and specialist design support services. It is well-suited for SMEs and VCSEs due to its suitability criteria. The procurement via the Crown Commercial Service framework RM6356 allows businesses to engage in a structured procurement process. This engagement also provides an avenue for firms to expand their expertise and credibility within the niche nuclear sector. Companies with experience in civil, structural, mechanical, electrical, instrumentation, and safety case studies are encouraged to participate. The planned tranche-based competition approach provides additional opportunities to secure sub-contracts under different specialisations, fostering substantial growth avenues for businesses eager to partner with a prominent public authority like Sellafield Limited.

How relevant is this notice?

Notice Information

Notice Title

Design support to retrievals

Notice Description

* Intelligent client support and oversight * Front End pre-Outline Business Case development and early design strategy * Niche nuclear and specialist support to: Magnox Swarf Storage Silo and Pile Fuel Cladding Silo; two areas of site focused on retrieving and storing historic waste. This will be procured via Crown Commercial Service framework RM6356.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-05120d
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/075647-2026
Current Stage
Planning
All Stages
Planning

Procurement Classification

Notice Type
UK1 - Pipeline Notice
Procurement Type
Framework
Procurement Category
Services
Procurement Method
Not Specified
Procurement Method Details
Not specified
Tender Suitability
SME, VCSE
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

79 - Business services: law, marketing, consulting, recruitment, printing and security

CPV Codes

79933000 - Design support services

Notice Value(s)

Tender Value
£36,000,000 £10M-£100M
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
10 Aug 2026Yesterday
Submission Deadline
Not specified
Future Notice Date
11 Aug 2026Expired
Award Date
Not specified
Contract Period
30 Sep 2026 - 30 Sep 2030 4-5 years
Recurrence
Not specified

Notice Status

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

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
SELLAFIELD LIMITED
Additional Buyers

SELLAFIELD LIMITED - HINTON

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 6GR
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

Notice Documents

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

JSON Markdown

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. 

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                "description": "This UK1 change notice is issued to notify the market of a change to the procurement strategy associated with the Design Support Procurement (DSP). The procurement approach was originally communicated was to conduct ten (10) individual mini- competitions, each established as a separate competition within the ATAMIS portal and published under the corresponding UK1 notice on Find a Tender Services (FTS) - UK -0180, UK0202, UK-0170,UK-0172, UK-0179, UK-0168, UK-0204, UK-0169, UK-0178, and UK-0184. Following a review of the procurement delivery strategy, the contracting authority has revised its approach to improve procurement efficiency, and project delivery. The revised strategy is to undertake the procurement through a three (3) tranche competition phase, with each tranche having sub lots. Each tranche will be managed as a separate competition within Atamis under the following ref: Atamis ref C31873, C31949, & C31950. This change affects the structure of the call-off competitions only and does not alter the overall procurement objectives, scope, requirements, or the overall operation of DSP. All procurement activity will continue to be conducted in accordance with the provisions of the DSP and the Procurement Act 23. All future competition documentation, procurement timelines, and communications relating to the revised tranche - based competition will be issued via Atamis. This change notice is published to ensure transparency and to formally notify the market of the revised procurement strategy Tranche Contract: Tranche One 1. Plant Facing Design Office (PFDO) civil, structural and architectural 2. PFDO multi-discipline mechanical, electrical and instrumentation 3. PFDO manufactured products 4. PFDO process Tranche Two 5. Site project office client 6. Remediation / legacy projects 7. Retrievals client 8. Infrastructure front-end enabling Tranche Three (3) 9. Studies and engineering capability 10. Safety Case"
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