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DNWP0072/LOT1A/ THB Demolition Phases 1-5

Sellafield Ltd

This public procurement record has 1 release in its history.

Award

01 Oct 2026 at 14:00

Award Notice
Summary of the contracting process

Sellafield Limited procured demolition works for phases 1–5 of the THB project. The scope is identified as decommissioning, with delivery at the Sellafield site in Cumbria, including the CA20 1PG area. This is a site-specific demolition and decommissioning requirement rather than a general building demolition contract. Sellafield Limited, based in Whitehaven, is the buyer. The work is classified as works and concerns the phased removal of facilities or assets at the site. The procurement title identifies the project and phases, but the available description does not add technical detail on the structures, demolition methods or individual work packages.

The procurement is complete and has been awarded to Amentum Clean Energy Limited. Sellafield Limited placed the contract through a selective call-off from a framework agreement. The award was made on 30 September 2026, for £14,848,364.58. The contract period runs from 30 September 2026 to 9 September 2028. The original tender response deadline was 25 September 2026 at 12:00. The process is identified as one lot, covering THB demolition phases 1–5. The recorded suitability assessment says the work is not suitable for SMEs or voluntary, community and social enterprises. No award evaluation criteria are recorded in the procurement data.

For demolition and decommissioning contractors, this award demonstrates substantial, phased site work at Sellafield, delivered through a framework call-off. A credible competitor for a comparable requirement would need the capacity to undertake multi-phase demolition at a major nuclear site and to manage the associated site-specific operational and safety demands. The selected supplier, Amentum Clean Energy Limited, provides a benchmark for the type of contractor Sellafield appointed. The scale and framework route favour established suppliers able to meet the buyer’s requirements for this specialist site, rather than small firms or voluntary-sector organisations bidding alone. The award also provides evidence that Sellafield buys demolition as a defined project package, so firms with relevant decommissioning experience and the resources to deliver a large, coordinated programme are best placed when this requirement returns to market.

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Notice Information

Notice Title

DNWP0072/LOT1A/ THB Demolition Phases 1-5

Notice Description

DNWP0072/LOT1A/ THB Demolition Phases 1-5

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-b5fd17-de7488b3-b470-45bd-a2af-3068f4309119
Publication Source
Contracts Finder
Latest Notice
https://www.contractsfinder.service.gov.uk/Notice/d88889a4-324c-4b59-9f88-23990596d35a
Current Stage
Award
All Stages
Award

Procurement Classification

Notice Type
Award Notice
Procurement Type
Framework
Procurement Category
Works
Procurement Method
Selective
Procurement Method Details
Call-off from a framework agreement
Tender Suitability
Not specified
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

98 - Other community, social and personal services

CPV Codes

98391000 - Decommissioning services

Notice Value(s)

Tender Value
£14,848,364 £10M-£100M
Lots Value
Not specified
Awards Value
£14,848,364 £10M-£100M
Contracts Value
Not specified

Notice Dates

Publication Date
1 Oct 20265 days ago
Submission Deadline
Not specified
Future Notice Date
Not specified
Award Date
30 Sep 20261 weeks ago
Contract Period
30 Sep 2026 - 9 Sep 2028 1-2 years
Recurrence
Not specified

Notice Status

Tender Status
Complete
Lots Status
Not Specified
Awards Status
Active
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
WHITEHAVEN
Postcode
CA28 7SJ
Postcode Area
Carlisle
Country
England
Major Region (ITL 1)
TLD North West (England)
Basic Region (ITL 2)
TLD1 Cumbria
Small Region (ITL 3)
TLD13 Cumberland
Delivery Location
TLD North West (England)
Local Authority
Cumberland
Electoral Ward
Kells and Sandwith
Westminster Constituency
Whitehaven and Workington

Supplier Information

Number of Suppliers
1
Supplier Name

Amec Nuclear UK Ltd

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

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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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