Award

Dounreay Fast Reactor Heating Upgrade Design

NUCLEAR RESTORATION SERVICES LIMITED

This public procurement record has 1 release in its history.

Award

06 Feb 2026 at 14:43

Summary of the contracting process

The procurement process for the "Dounreay Fast Reactor Heating Upgrade Design" was managed by Nuclear Restoration Services Limited, a sub-central government public authority based in Warrington, UK. The awarded contract involves upgrading the heating system design for the Dounreay Fast Reactor Administration Building, classified under heating-system design services. The procurement was conducted through a limited competition method, suitable for projects below the threshold. The contract is at the award stage, having been signed on 16th January 2026, and is expected to be active until 5th June 2026. This project, situated in the United Kingdom, falls under the services industry category.

This tender presents substantial business growth opportunities, specifically for firms experienced in heating-system design services. It is particularly advantageous for small to medium-sized enterprises (SMEs) with expertise in designing and implementing advanced heating systems in high-profile or complex environments. RDI Renewables Limited, a company located in Thurso, UK, was successfully awarded the contract. Businesses specialising in innovative engineering solutions and efficient energy upgrades will find this tender particularly aligned with their growth strategies. The focus on upgrading a significant facility like the Dounreay Fast Reactor hints at further opportunities in related projects as the energy sector evolves.

Find more tenders on our Open Data Platform.
How relevant is this notice?

D3 Tenders Premium

Win More Public Sector Contracts

AI-powered tender discovery, pipeline management, and market intelligence — everything you need to grow your public sector business.

Notice Title

Dounreay Fast Reactor Heating Upgrade Design

Notice Description

Dounreay Fast Reactor Administration Building Heating Upgrade Design

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-064a43
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/011021-2026
Current Stage
Award
All Stages
Award

Procurement Classification

Notice Type
UK7 - Contract Details Notice
Procurement Type
Standard
Procurement Category
Services
Procurement Method
Limited
Procurement Method Details
Below threshold - limited competition
Tender Suitability
Not specified
Awardee Scale
SME

Common Procurement Vocabulary (CPV)

CPV Divisions

71 - Architectural, construction, engineering and inspection services


CPV Codes

71321200 - Heating-system design services

Notice Value(s)

Tender Value
Not specified
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
£36,000 Under £100K

Notice Dates

Publication Date
6 Feb 20262 weeks ago
Submission Deadline
Not specified
Future Notice Date
Not specified
Award Date
16 Jan 20261 months ago
Contract Period
19 Jan 2026 - 5 Jun 2026 1-6 months
Recurrence
Not specified

Notice Status

Tender Status
Complete
Lots Status
Complete
Awards Status
Active
Contracts Status
Active

Contracting Authority (Buyer)

Main Buyer
NUCLEAR RESTORATION SERVICES LIMITED
Contact Name
Adam Scott
Contact Email
adam.scott@dounreay.com
Contact Phone
01847802631

Buyer Location

Locality
WARRINGTON
Postcode
WA3 6GR
Post Town
Warrington
Country
England

Major Region (ITL 1)
TLD North West (England)
Basic Region (ITL 2)
TLD6 Cheshire
Small Region (ITL 3)
TLD61 Warrington
Delivery Location
Not specified

Local Authority
Warrington
Electoral Ward
Birchwood
Westminster Constituency
Warrington North

Supplier Information

Number of Suppliers
1
Supplier Name

RDI RENEWABLES

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

Download

The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

{
    "tag": [
        "compiled"
    ],
    "id": "ocds-h6vhtk-064a43-2026-02-06T14:43:56Z",
    "date": "2026-02-06T14:43:56Z",
    "ocid": "ocds-h6vhtk-064a43",
    "initiationType": "tender",
    "parties": [
        {
            "id": "GB-PPON-PXPQ-2228-DGTY",
            "name": "Nuclear Restoration Services Limited",
            "identifier": {
                "scheme": "GB-PPON",
                "id": "PXPQ-2228-DGTY"
            },
            "address": {
                "streetAddress": "Hinton House, Birchwood Park Avenue, Risley",
                "locality": "Warrington",
                "postalCode": "WA3 6GR",
                "country": "GB",
                "countryName": "United Kingdom",
                "region": "UKD61"
            },
            "contactPoint": {
                "name": "Adam Scott",
                "email": "adam.scott@dounreay.com",
                "telephone": "01847802631"
            },
            "roles": [
                "buyer"
            ],
            "details": {
                "url": "https://www.gov.uk/government/organisations/nuclear-restoration-services",
                "classifications": [
                    {
                        "id": "publicAuthoritySubCentralGovernment",
                        "scheme": "UK_CA_TYPE",
                        "description": "Public authority - sub-central government"
                    }
                ]
            }
        },
        {
            "id": "GB-FTS-173813",
            "name": "RDI Renewables Limited",
            "address": {
                "streetAddress": "Unit 4B Ormlie Industrial Estate",
                "locality": "Thurso",
                "postalCode": "KW14 7QU",
                "country": "GB",
                "countryName": "United Kingdom",
                "region": "UKM61"
            },
            "contactPoint": {
                "email": "info@rdirenewables.co.uk",
                "telephone": "01847890012"
            },
            "roles": [
                "supplier"
            ],
            "details": {
                "scale": "sme",
                "vcse": false
            }
        }
    ],
    "buyer": {
        "id": "GB-PPON-PXPQ-2228-DGTY",
        "name": "Nuclear Restoration Services Limited"
    },
    "tender": {
        "id": "C25557",
        "legalBasis": {
            "id": "2023/54",
            "scheme": "UKPGA",
            "uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents"
        },
        "title": "Dounreay Fast Reactor Heating Upgrade Design",
        "description": "Dounreay Fast Reactor Administration Building Heating Upgrade Design",
        "status": "complete",
        "procurementMethod": "limited",
        "procurementMethodDetails": "Below threshold - limited competition",
        "lots": [
            {
                "id": "1",
                "status": "complete"
            }
        ]
    },
    "awards": [
        {
            "id": "1",
            "status": "active",
            "mainProcurementCategory": "services",
            "suppliers": [
                {
                    "id": "GB-FTS-173813",
                    "name": "RDI Renewables Limited"
                }
            ],
            "items": [
                {
                    "id": "1",
                    "additionalClassifications": [
                        {
                            "scheme": "CPV",
                            "id": "71321200",
                            "description": "Heating-system design services"
                        }
                    ],
                    "relatedLot": "1"
                }
            ],
            "relatedLots": [
                "1"
            ]
        }
    ],
    "contracts": [
        {
            "id": "1",
            "awardID": "1",
            "title": "Dounreay Fast Reactor Heating System Replacement Design",
            "status": "active",
            "period": {
                "startDate": "2026-01-19T00:00:00Z",
                "endDate": "2026-06-05T23:59:59+01:00"
            },
            "value": {
                "amountGross": 43200,
                "amount": 36000,
                "currency": "GBP"
            },
            "aboveThreshold": false,
            "dateSigned": "2026-01-16T00:00:00Z",
            "documents": [
                {
                    "id": "011021-2026",
                    "documentType": "contractNotice",
                    "noticeType": "UK7",
                    "description": "Contract details notice on Find a Tender",
                    "url": "https://www.find-tender.service.gov.uk/Notice/011021-2026",
                    "datePublished": "2026-02-06T14:43:56Z",
                    "format": "text/html"
                }
            ]
        }
    ],
    "language": "en"
}