Decommissioning Nuclear Waste Partnership (DNWP)
Estimated value
—
Awarded value
—
Suppliers
5
Lots
4
Published
03 Nov 2025
Description
Sellafield Ltd is responsible for safely operating and decommissioning Europe's largest, most complex nuclear site, which is home to legacy nuclear facilities that are some of the most hazardous buildings in Western Europe. Sellafield Ltd, through the Decommissioning and Nuclear Waste Partners (DNWP) Framework opportunity, has brought together four partners across four Lots to provide a full suite of expertise and support to deliver decommissioning activities and projects, including asset care. Delivery will be across nuclear facilities on the Sellafield licenced site that are in mix of states including operational, post operation clean out (POCO), decommissioning and demolition. Consequently, the scope of work for the DNWP Framework will include construction delivery, demolition related works, associated technical services (including safety case and design) and waste management with the scope aligned across the following four Lots:<br/><br/><br/>• Lot 1 Remediation Partners<br/>• Lot 2 Pond Retrievals Partner<br/>• Lot 3 Silos Retrievals Partner<br/>• Lot 4 Integrated Nuclear Waste Partner
Scope
- Reference
- ocds-h6vhtk-03ebdd
- Commercial tool
- Standalone contract
- Contract dates
- 05 Oct 2025 to 05 Nov 2040
- Main category
- works
- CPV classifications
- 450000007941000042000000453151007132200071320000452100009839100071321000794000004510000045111200797230007941520045220000444217224511100045111213453510007153000043320000223140007993300045222110
- Contract locations
- North West England
Award criteria
Criteria the buyer will use to evaluate bids.
| Name | Description | Type | Weighting |
|---|---|---|---|
| Technical | 70 | quality | — |
| — | 30 | price | — |
Submission & procedure
- Procedure
- Restricted procedure
Award details· 5 awards
Awarded supplier(s), contract period and value as published in the award notice.
Awarded value
—
Award date
—
Contract start
—
Contract end
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Lots · 4 total
Divisions of the contract. Each lot can be awarded separately.
| Lot | Title | Est. value | Status |
|---|---|---|---|
| 1 | Lot 1 - Remediation | £2.0bn | cancelled |
| 2 | Lot 2 - Retrievals Ponds | £1.0bn | cancelled |
| 3 | Lot 3 - Retrievals Silos | £1.0bn | cancelled |
| 4 | Lot 4 - Integrated Nuclear Waste | £600.0m | cancelled |
Award 1· 1 supplier
Awarded —
Award 2· 1 supplier
Awarded —
Award 3· 1 supplier
Awarded —
Award 4· 1 supplier
Awarded —
Award 5· 1 supplier
Awarded —
Total lots
4
Awarded
4
Estimated total
£4.6bn
Awarded total
—
Lot 1 - Remediation
Start
06 Nov 2025
End
05 Nov 2040
Estimated
£2.0bn
CPV
Lot 2 - Retrievals Ponds
Start
05 Oct 2025
End
05 Nov 2040
Estimated
£1.0bn
CPV
Lot 3 - Retrievals Silos
Start
05 Oct 2025
End
05 Nov 2040
Estimated
£1.0bn
CPV
Lot 4 - Integrated Nuclear Waste
Start
05 Oct 2025
End
05 Nov 2040
Estimated
£600.0m
CPV
Other contracts from Sellafield Limited
Full notice and award history for this contracting authority is on the buyer profile.
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Cross-buyer view of this supplier's public-sector wins.
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|---|---|---|---|
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| CSSF-002 - GDF Criticality Safety Methodology and Assessments | contract | £20k | 18 Jun 2026 |
| CSSF-001 - Support to international post closure criticality safety projects. | contract | £10k | 18 Jun 2026 |
| Alternative Solutions Bulk Order Further Comp (dummy) | contract | £1.3m | 05 Jun 2026 |
| DNWP0053/LOT1A/CALDER F199 Demolition | contract | £153k | 18 May 2026 |