---
title: "DNWP0061/LOT1A/CALDER R1 & R2 Filter Room Full Deplant"
ocid: "ocds-b5fd17-f5d7189f-49c2-4dbd-b9e6-a3927b2aae7f"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-f5d7189f-49c2-4dbd-b9e6-a3927b2aae7f"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-f5d7189f-49c2-4dbd-b9e6-a3927b2aae7f.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-f5d7189f-49c2-4dbd-b9e6-a3927b2aae7f.json"
source: "Contracts Finder"
current_stage: "Award"
buyer: "SELLAFIELD LTD"
published: "2026-06-23"
---

# DNWP0061/LOT1A/CALDER R1 & R2 Filter Room Full Deplant

Buyer: SELLAFIELD LTD  
Current stage: Award  
OCID: ocds-b5fd17-f5d7189f-49c2-4dbd-b9e6-a3927b2aae7f

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-b5fd17-f5d7189f-49c2-4dbd-b9e6-a3927b2aae7f)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-b5fd17-f5d7189f-49c2-4dbd-b9e6-a3927b2aae7f.json)

## Summary

Sellafield Ltd, situated in Whitehaven, is the buying organisation for a public procurement contract titled "DNWP0061/LOT1A/CALDER R1 & R2 Filter Room Full Deplant". This contract falls under the decommissioning services category, with a focus on works and is located in the North West region of the United Kingdom. The procurement process utilised a selective method through a call-off from a framework agreement. The tender concluded with the awarding stage on 23 June 2026, with the contract period running from 23 June 2026 to 17 June 2027, and a total value of £184,647.16. Key dates to note include the end of the tender period on 2 March 2026.

This tender provides significant business growth opportunities, especially for firms specialising in decommissioning services. The successful supplier is Amentum Clean Energy Limited, indicating that companies with experience in clean energy and decommissioning might find similar future tenders fitting their capabilities. Though the suitability criteria did not favour SMEs or VCSEs, larger firms with the necessary expertise and capacity within this specific industry sector are well-suited to take advantage of such opportunities. Engaging in this contract could enhance a company's portfolio of governmental projects and expand their reach in the UK market.

## Notice

DNWP0061/LOT1A/CALDER R1 & R2 Filter Room Full Deplant

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/93dc2ea6-807d-454f-b5d1-5da730ac0f45 |
| 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 | 23 Jun 2026 |
| Submission deadline | 2 Mar 2026 |
| Future notice date | Not specified |
| Award date | 22 Jun 2026 |
| Contract period | 22 Jun 2026 - 17 Jun 2027 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £184,647 |
| Lots value | Not specified |
| Awards value | £184,647 |
| 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 |
| Post town | 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 | AMENTUM CLEAN ENERGY |

## CPV Codes

### Divisions

- 98 - Other community, social and personal services

### Codes

- 98391000 - Decommissioning services

## Release History

- 23 Jun 2026 at 10:10 - Award - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/93dc2ea6-807d-454f-b5d1-5da730ac0f45

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/93dc2ea6-807d-454f-b5d1-5da730ac0f45
  23rd June 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-f5d7189f-49c2-4dbd-b9e6-a3927b2aae7f. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-f5d7189f-49c2-4dbd-b9e6-a3927b2aae7f.json.