---
title: "DDP00763 - RAD Calder R1 Short demolition"
ocid: "ocds-b5fd17-e85b13c1-7f79-4c4c-af15-704bdb7d7e17"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-e85b13c1-7f79-4c4c-af15-704bdb7d7e17"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-e85b13c1-7f79-4c4c-af15-704bdb7d7e17.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-e85b13c1-7f79-4c4c-af15-704bdb7d7e17.json"
source: "Contracts Finder"
current_stage: "Award"
buyer: "SELLAFIELD LTD"
published: "2025-06-03"
---

# DDP00763 - RAD Calder R1 Short demolition

Buyer: SELLAFIELD LTD  
Current stage: Award  
OCID: ocds-b5fd17-e85b13c1-7f79-4c4c-af15-704bdb7d7e17

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## Summary

The public procurement for project "DDP00763 - RAD Calder R1 Short demolition" involves Sellafield Ltd, operating from Whitehaven, UK. The contract pertains to the demolition of Calder Hall Reactor 1 Short Blower House, categorised under demolition work in the CPV scheme. With an estimated project value of £2,000,000, the process follows a selective procurement method via a call-off from a framework agreement. Key dates include a tender period end on 23rd January 2025 and the contract period from 18th June 2025 to 31st March 2026. The procurement has already reached the award stage as of 3rd June 2025, with Integrated Decommissioning Solutions selected as the supplier.

This tender presents significant business growth opportunities, particularly for firms experienced in large-scale demolition works, although the suitability is not tailored towards SMEs or VCSEs. Integrated Decommissioning Solutions' involvement demonstrates the scale and expertise required, offering such capabilities a chance to be engaged in critical infrastructure projects. Businesses with the competence to manage complex demolitions may find similar future tenders beneficial for participating in the nuclear sector's decommissioning efforts, contributing to their growth and portfolio expansion.

## Notice

Demolition of Calder Hall Reactor 1 Short Blower House

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/ca73b7bd-ac95-4180-838d-8fe1a7328c31 |
| 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 | 3 Jun 2025 |
| Submission deadline | 23 Jan 2025 |
| Future notice date | Not specified |
| Award date | 29 May 2025 |
| Contract period | 17 Jun 2025 - 31 Mar 2026 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £2,000,000 |
| Lots value | Not specified |
| Awards value | £2,000,000 |
| 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 | INTEGRATED DECOMMISSIONING SOLUTIONS |

## CPV Codes

### Divisions

- 45 - Construction work

### Codes

- 45111100 - Demolition work

## Release History

- 3 Jun 2025 at 09:53 - Award - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/ca73b7bd-ac95-4180-838d-8fe1a7328c31

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/ca73b7bd-ac95-4180-838d-8fe1a7328c31
  3rd June 2025 - 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-e85b13c1-7f79-4c4c-af15-704bdb7d7e17. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-e85b13c1-7f79-4c4c-af15-704bdb7d7e17.json.