---
title: "DNWP0072/LOT1A/ THB Demolition Phases 1-5"
ocid: "ocds-b5fd17-de7488b3-b470-45bd-a2af-3068f4309119"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-de7488b3-b470-45bd-a2af-3068f4309119"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-de7488b3-b470-45bd-a2af-3068f4309119.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-de7488b3-b470-45bd-a2af-3068f4309119.json"
source: "Contracts Finder"
current_stage: "Award"
buyer: "Sellafield Ltd"
published: "2026-10-01"
---

# DNWP0072/LOT1A/ THB Demolition Phases 1-5

Buyer: Sellafield Ltd  
Current stage: Award  
OCID: ocds-b5fd17-de7488b3-b470-45bd-a2af-3068f4309119

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## Summary

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.

## Notice

DNWP0072/LOT1A/ THB Demolition Phases 1-5

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/d88889a4-324c-4b59-9f88-23990596d35a |
| 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 |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 1 Oct 2026 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 30 Sep 2026 |
| Contract period | 30 Sep 2026 - 9 Sep 2028 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £14,848,364 |
| Lots value | Not specified |
| Awards value | £14,848,364 |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Not specified |
| Awards status | Active |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | Sellafield Ltd |
| Locality | WHITEHAVEN |
| Postcode area | Carlisle |
| Postcode | CA28 7SJ |
| Country | England |
| ITL 1 | TLD North West (England) |
| ITL 2 | TLD1 Cumbria |
| ITL 3 | TLD13 Cumberland |
| Local authority | Cumberland |
| Electoral ward | Kells and Sandwith |
| Westminster constituency | Whitehaven and Workington |
| Delivery location | TLD North West (England) |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | Amec Nuclear UK Ltd |

## CPV Codes

### Divisions

- 98 - Other community, social and personal services

### Codes

- 98391000 - Decommissioning services

## Release History

- 1 Oct 2026 at 14:00 - Award - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/d88889a4-324c-4b59-9f88-23990596d35a

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/d88889a4-324c-4b59-9f88-23990596d35a
  1st October 2026 - Awarded contract notice on Contracts Finder

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-b5fd17-de7488b3-b470-45bd-a2af-3068f4309119. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-de7488b3-b470-45bd-a2af-3068f4309119.json.