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DNWP0016/LOT1B/ Windscale Decommissioning and Enabling Works

Sellafield Ltd

This public procurement record has 1 release in its history.

Award

23 Jul 2026 at 11:15

Award Notice
Summary of the contracting process

Sellafield procured Windscale decommissioning and enabling works, classified as decommissioning services and procured as works. The requirement covers activities at the Windscale site, near postcode CA20 1RG in the North West of England. The scope is centred on decommissioning and associated enabling work for Sellafield. This is a site-based delivery requirement rather than a general consultancy or supply contract, so relevant businesses would need to deliver physical works at or around the Windscale location. The buying organisation is Sellafield, whose address is in Warrington. The procurement is associated with a specific operational site and a defined decommissioning requirement.

The procurement has been awarded and the tender is complete. It used a selective procedure as a call-off from a framework agreement. The tender deadline was 12 June 2026 at 12:00. Sellafield awarded the contract to AtkinsAltrad on 23 July 2026 for £4,438,969.33 including the stated GBP currency. The awarded contract period runs from 27 July 2026 to 31 March 2027. The procurement's estimated value and the awarded value are both £4,438,969.33. The published outcome identifies one supplier and one requirement. The opportunity was assessed through the framework call-off route; the available procurement details do not set out a separate quality, price or other scoring breakdown.

This award demonstrates demand from Sellafield for substantial, site-based decommissioning and enabling works delivered through a framework call-off. A credible future competitor would need practical capability in decommissioning-related works, the capacity to deliver a concentrated package of work at the Windscale site, and the systems needed to operate safely and reliably in a tightly controlled industrial environment. The requirement is of a scale suited to an established contractor or a well-resourced delivery partnership rather than a small standalone business: the procurement records the opportunity as unsuitable for SMEs and voluntary, community or social enterprises. Businesses seeking comparable work should develop relevant site experience, delivery capacity and a route into the applicable framework.

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Notice Information

Notice Title

DNWP0016/LOT1B/ Windscale Decommissioning and Enabling Works

Notice Description

Windscale Decommissioning and Enabling Works

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-b5fd17-0677b468-eb6e-4473-9762-08712dcf40c5
Publication Source
Contracts Finder
Latest Notice
https://www.contractsfinder.service.gov.uk/Notice/b412089a-03a4-485f-a2da-cb4eb7f98785
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
£4,438,969 £1M-£10M
Lots Value
Not specified
Awards Value
£4,438,969 £1M-£10M
Contracts Value
Not specified

Notice Dates

Publication Date
23 Jul 20262 months ago
Submission Deadline
Not specified
Future Notice Date
Not specified
Award Date
23 Jul 20262 months ago
Contract Period
27 Jul 2026 - 31 Mar 2027 6-12 months
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
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
TLD North West (England)
Local Authority
Warrington
Electoral Ward
Birchwood
Westminster Constituency
Warrington North

Supplier Information

Number of Suppliers
1
Supplier Name

AtkinsAltrad

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

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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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