Source: https://tendernation.io/opportunities/01a13bb1-b5d1-7148-925a-91df8ee13a04/decommissioning-nuclear-waste-partnership-dnwp awarded GB restricted procedure # Decommissioning Nuclear Waste Partnership (DNWP) [Sellafield Limited](https://tendernation.io/buyers/sellafield-limited) Estimated value £4,600,000,000 Published 3 Nov 2025 Deadline Closed 9 Oct 2023 ## Who can bid - Split into 4 lots You can usually bid for just the lots you can deliver. - Sets up a framework Winning a place does not guarantee work: contracts are awarded later as call-offs, and the list usually stays closed for years. ## About this tender 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:• Lot 1 Remediation Partners• Lot 2 Pond Retrievals Partner• Lot 3 Silos Retrievals Partner• Lot 4 Integrated Nuclear Waste Partner ## CPV classification Construction work Business and management consultancy services Industrial machinery Electrical engineering installation works Engineering design services for the construction of civil engineering works Engineering design services Building construction work Decommissioning services Engineering design services for mechanical and electrical installations for buildings Business and management consultancy and related services Engineering works and construction works Mechanical engineering installation works Waste disposal site construction work Site preparation work Demolition, site preparation and clearance work Site preparation and clearance work Waste analysis services Design consultancy services Construction consultancy services Design support services Designs Construction equipment Source Find a Tender (UK) · Notice ocds-h6vhtk-03ebdd-2025-11-03T09:20:34Z [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-03ebdd-2025-11-03T09:20:34Z) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free](https://tendernation.io/register) [Buyer profile Sellafield Limited: past awards and live tenders](https://tendernation.io/buyers/sellafield-limited) [Sector More Construction work tenders](https://tendernation.io/sectors/construction-work) ## More tenders like this [Bannister Sports Centre Athletic Track Soft Market Testing Exercise · Harrow Council · 38 days left · 26 Nov 2026](https://tendernation.io/opportunities/01a1540d-d9e4-71cb-ad57-1603e9042fec/bannister-sports-centre-athletic-track-soft-market-testing-exercise) [Building Minor Works · Derbyshire Support and Facilities Services Limited · 26 days left · 13 Nov 2026](https://tendernation.io/opportunities/01a15408-9087-7003-bd47-df7bc19d7ff7/building-minor-works) [DGT Helipad Design and Construction · Dartford and Gravesham NHS Trust · 28 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a15408-969e-7140-a307-fe72fa7128be/dgt-helipad-design-and-construction) [Boiler Replacement Programme · Derbyshire Support and Facilities Services Limited · 26 days left · 13 Nov 2026](https://tendernation.io/opportunities/01a15408-9933-7015-97a0-37aa8d57c009/boiler-replacement-programme) [Construction of the Chiropractic Car Park, Treforest Campus · University of South Wales · 39 days left · 27 Nov 2026](https://tendernation.io/opportunities/01a15408-a995-70e5-b8b1-7c6a14e2e878/construction-of-the-chiropractic-car-park-treforest-campus) [Boiler chemical and Softener Services · Maidstone and Tunbridge Wells NHS Trust · 28 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a1539a-d092-736b-88d2-6bdc251cddb6/boiler-chemical-and-softener-services)