---
title: "MSSS (Magnox Swarf Storage Silos) Boxes"
ocid: "ocds-h6vhtk-0554ea"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-0554ea"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-0554ea.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-0554ea.json"
source: "Find A Tender Service"
current_stage: "Planning"
buyer: "SELLAFIELD LIMITED"
published: "2025-07-30"
---

# MSSS (Magnox Swarf Storage Silos) Boxes

Buyer: SELLAFIELD LIMITED  
Current stage: Planning  
OCID: ocds-h6vhtk-0554ea

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-0554ea)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-0554ea.json)

## Summary

Sellafield Limited is initiating the procurement process for the Magnox Swarf Storage Silos (MSSS) Boxes, a project estimated at a gross value of £114 million. This planned procurement falls under the industry category of containers for waste material and miscellaneous fabricated products. Located in the UK, specifically in the UKD11 region, the procurement stage is currently at the planning phase, with a future notice date anticipated by 3rd April 2026. Companies should note that the formal contract is scheduled to commence on 2nd April 2027 and will run until 1st April 2032. Sellafield Limited, a public authority under sub-central government classification, manages this procurement, promising a substantial opportunity for suppliers dealing in goods, particularly if they cater to waste material management.

This tender offers significant prospects for businesses looking to engage with public sector projects, particularly those specialising in the production of storage and waste management solutions. Given the scale and duration of the contract, small and medium-sized enterprises (SMEs) are noted for their suitability to participate. Firms with expertise in manufacturing containers and fabricated products are poised to benefit, as they can leverage this opportunity to bolster their market position and expand their reach into government contracts. The procurement method underscores a structured tender process, ideal for businesses aiming to develop long-term partnerships within the nuclear and waste management sectors.

## Notice

Procurement for the MSSS (Magnox Swarf Storage Silo) Boxes

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/044250-2025 |
| Notice type | UK1 - Pipeline Notice |
| Procurement type | Standard |
| Procurement category | Goods |
| Procurement method | Not Specified |
| Procurement method details | Not specified |
| Tender suitability | SME |
| Awardee scale | Not specified |
| All stages | Planning |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 30 Jul 2025 |
| Submission deadline | Not specified |
| Future notice date | 3 Apr 2026 |
| Award date | Not specified |
| Contract period | 1 Apr 2027 - 1 Apr 2032 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £95,000,000 |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Planned |
| Lots status | Planned |
| Awards status | Not specified |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | SELLAFIELD LIMITED |
| Locality | WARRINGTON |
| Post town | Warrington |
| Postcode | WA3 6GR |
| Country | England |
| ITL 1 | TLD North West (England) |
| ITL 2 | TLD6 Cheshire |
| ITL 3 | TLD61 Warrington |
| Local authority | Warrington |
| Electoral ward | Birchwood |
| Westminster constituency | Warrington North |
| Delivery location | TLD11 West Cumbria |

## CPV Codes

### Divisions

- 44 - Construction structures and materials; auxiliary products to construction (except electric apparatus)

### Codes

- 44400000 - Miscellaneous fabricated products and related items
- 44613800 - Containers for waste material

## Release History

- 30 Jul 2025 at 12:03 - PlanningUpdate - UK1 - Pipeline Notice - https://www.find-tender.service.gov.uk/Notice/044250-2025
- 27 Jun 2025 at 10:37 - Planning - UK1 - Pipeline Notice - https://www.find-tender.service.gov.uk/Notice/035699-2025

## Documents

- https://www.find-tender.service.gov.uk/Notice/044250-2025
  30th July 2025 - Pipeline notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/035699-2025
  27th June 2025 - Pipeline notice on Find a Tender

## Notice URLs

- https://www.find-tender.service.gov.uk/Notice/035701-2025?origin=Dashboard
- https://www.gov.uk/government/organisations/sellafield-ltd
- https://www.legislation.gov.uk/ukpga/2023/54/contents

## 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-h6vhtk-0554ea. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-0554ea.json.