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Design support to studies and engineering design

Sellafield Ltd

This public procurement record has 3 releases in its history.

PlanningUpdate

10 Aug 2026 at 11:45

UK1 - Pipeline Notice
PlanningUpdate

14 May 2025 at 10:49

UK1 - Pipeline Notice
Planning

09 May 2025 at 14:42

UK1 - Pipeline Notice
Summary of the contracting process

Sellafield Limited intends to procure design support services for studies and engineering design across the United Kingdom. The work will support early-lifecycle analysis and options appraisal, helping Sellafield make strategic decisions based on factual information, risks, uncertainties and potential value. It will provide strategic advice and direction, and supplement Sellafield’s own design skills through packaged work covering standards, assurance and design improvements. The requirement is focused on specialist nuclear capabilities and on strengthening design capability across relevant disciplines. The planned scope is described as design support services, with delivery associated with Sellafield’s operations and projects in the UK. The procurement’s overall objective and scope remain unchanged following a revised competition strategy.

This procurement is at the planning stage: Sellafield Limited has announced its intention to buy, but has not invited tenders. The planned procurement is for services with an estimated value of £35 million excluding VAT, or £42 million including VAT. It is above the applicable threshold and is expected to use the Crown Commercial Service RM6356 framework agreement. The planned contract period is 1 October 2026 to 30 September 2030. The buyer originally described ten individual mini-competitions, but now intends to run three tranche competitions, each with sub-lots, through the Atamis system. The tranches cover plant-facing design office disciplines, site and project support, and studies, engineering capability and safety case work. Future competition timelines are expected to be issued through Atamis.

This requirement is likely to suit established engineering and design consultancies, specialist nuclear organisations and smaller firms able to provide suitably qualified capability through the framework. Relevant strengths include early-lifecycle studies, options analysis, strategic engineering advice, multidisciplinary design, packaged work, design assurance, standards compliance and design improvement. Suppliers with experience supporting complex nuclear environments and understanding the management of risk, uncertainty and evidence-based decision-making are likely to be well placed. The scope spans civil, structural and architectural design; mechanical, electrical and instrumentation capability; manufactured products; process engineering; remediation and legacy projects; retrievals; infrastructure enabling; studies and engineering; and safety case work. The planned lot is identified as suitable for SMEs, creating scope for specialist providers and capable delivery partners.

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Notice Information

Notice Title

Design support to studies and engineering design

Notice Description

* Studies support enabling Sellafield to inform decisions on strategy to deliver best value. Consideration of options using factual information, risk, uncertainties and certainties. Deliver strategic advice and direction to enable effective business decisions and positive outputs * * Focus on early lifecycle stage analysis to underpin options and provide guidance and realise value * Focussed on specialist and nuclear capabilities. * Supplement Sellafield design capability skills and capabilities including packaged work, including standards, assurance and design improvements. This will be procured via Crown Commercial Service framework RM6356.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-050fd9
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/075650-2026
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
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
£35,000,000 £10M-£100M
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
10 Aug 20261 months ago
Submission Deadline
Not specified
Future Notice Date
11 Aug 2026Expired
Award Date
Not specified
Contract Period
1 Oct 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 Ltd
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
Postcode Area
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)

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