HEx1 Phase 1A - Define
About This Opportunity
Award notice from Sellafield Ltd (United Kingdom) — HEx1 Phase 1A - Define. architecture & engineering. Awarded to AtkinsRealis (GBP 2.9M, Nov 2025).
This is a services contract in the architecture and engineering, construction and civil works and trade and industry sectors, with a focus on Feasibility Studies, Project Management and Industrial Machinery. Located in United Kingdom, Europe, this opportunity is open to firms and consortiums, with an estimated budget of GBP 4.0 million.
Published through UK Contracts Finder, a national government procurement portal. Public procurement tenders follow the country's national bidding regulations and may have specific eligibility and documentation requirements for services in the architecture and engineering sector. Service contracts are typically evaluated on both technical quality and price, and may require bidders to demonstrate relevant experience and qualified personnel. This contract has already been awarded. The information is published for transparency and market intelligence purposes.
Description
The scope of the Phase 1A Define contract is to provide:
Independent integration of the Phase 1A design for the Heat Exchanger lifting scheme and equipment including lifting collars and cradles;
Ongoing support to Sellafield during the manufacturing phase, ultimately providing UKCA Marking, Declarations of Conformity and completed Technical File to the Employer on key products.. CPV: Design support services (79933000). Procedure: Call-off from a framework agreement
Data provenance
This notice is sourced from UK Contracts Finder and was originally published on December 8, 2025. Last refreshed 5 days ago. Reference: CF-0265600D4L000000iAvzUAE. BidsFactory mirrors official procurement notices and links back to the source for full legal text.
About Sellafield Ltd
Sellafield Ltd has issued 70 procurement notices on BidsFactory, including 0 currently open and 69 awarded contracts. Activity concentrates in Information & Communication Technology, General Supplies & Services, and Architecture & Engineering Services. All notices are published for United Kingdom. Notices are distributed via UK Contracts Finder. Most recent publication: June 17, 2026.
Frequently asked questions about this tender
Who is the contracting authority?
This notice was issued by Sellafield Ltd in United Kingdom. The authority is responsible for evaluating bids, awarding the contract, and managing performance.
What type of contract is this?
This is a Services contract in the Architecture & Engineering Services sector. The classification helps bidders match the opportunity to their qualifications and registered scope of supply.
How much was the contract awarded for?
AtkinsRealis was awarded the contract for £2,913,847. The figure reflects the value disclosed by the contracting authority in the award notice.
Where will the contract be performed?
The contract is for delivery in United Kingdom. Foreign bidders should review local registration, taxation, and any in-country presence requirements before submitting.
How can I submit a bid?
Visit UK Contracts Finder to access the full notice, required documents, and submission instructions. Quote reference CF-0265600D4L000000iAvzUAE when communicating with the contracting authority.
Is this tender still open?
No — the contract has already been awarded to AtkinsRealis. The award notice is archived on BidsFactory for transparency and market intelligence.
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