Planning

Porton Main Plenum Replacement

SECRETARY OF STATE FOR HEALTH AND SOCIAL CARE ACTING AS PART OF THE CROWN THROUGH UK HEALTH SECURITY AGENCY

This public procurement record has 2 releases in its history.

PlanningUpdate

18 Nov 2025 at 11:08

UK2 - Preliminary Market Engagement Notice
Planning

18 Nov 2025 at 11:06

UK2 - Preliminary Market Engagement Notice
Summary of the contracting process

The Secretary of State for Health and Social Care, acting through the UK Health Security Agency, is planning a procurement process for a complex refurbishment project at the UKHSA Porton site. The initiative, titled "Porton Main Plenum Replacement," falls under the construction industry category and is located in the UK region (UKK). It is currently in the planning stage, with key preliminary market engagement scheduled to conclude by 24th November 2025. This stage aims to identify capable contractors for refurbishing high-containment laboratories and related facilities, involving significant ductwork replacement, asbestos removal, and new installations. The project is valued at £30 million, with gross estimates reaching £36 million, and anticipates a collaborative delivery model starting on 13th July 2026 and concluding on 12th July 2029.

This tender presents significant opportunities for growth, particularly for businesses experienced in construction work, HVAC packages, and asbestos removal services. The engagement is particularly suited to SMEs skilled in managing complex environments requiring strict biosafety and health compliance. Companies capable of innovating and coordinating around live services to maintain operational integrity could find this project appealing. Participation in the preliminary engagement and completion of the associated questionnaire by the due date could position suitable firms well for the upcoming tendering process. This initiative offers a substantial entry point for those looking to expand their portfolio within the central government public authority sector.

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.

Start Free Trial Book a Demo
All Features Pricing

Notice Information

Notice Title

Porton Main Plenum Replacement

Notice Description

This contract will be for works to replace approximately 4km of supply and extract ductwork, install new air handling units and extract fans, removal and disposal of asbestos contaminated ductwork and other associated works.

Planning Information

The UK Health Security Agency (UKHSA) are looking to conduct preliminary market engagement in advance of a future procurement exercise to appoint a contractor for a complex refurbishment project with the UKHSA Porton site, which houses high-containment laboratories, offices and corridors. The scope of this project includes: - Replacement of approximately 4km of supply and extract ductwork. - Installation of new Air Handling Units (AHUs) and extract fans. - Removal and disposal of asbestos contaminated ductwork (notifiable asbestos work). - Associated works including the replacement of doors, windows, fire access doors, corridor panelling, riser firestopping, and other related items. The key challenges for this requirement are: - Working within high-containment laboratory environments with strict biosafety protocols. - Coordination around live services to maintain operational continuity. - Compliance with asbestos regulations and robust health and safety standards. We anticipate a collaborative delivery model and welcome innovative solutions to manage complexity, phasing and risk. If this requirement is within your companies capabilities and is of interest, please complete the questionnaire that can be found at the below link: https://forms.office.com/e/vTZU59MQDN Questionnaires should be complete by 12 noon on Monday 24th November 2025.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-05e31a
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/074676-2025
Current Stage
Planning
All Stages
Planning

Procurement Classification

Notice Type
UK2 - Preliminary Market Engagement Notice
Procurement Type
Standard
Procurement Category
Works
Procurement Method
Not Specified
Procurement Method Details
Not specified
Tender Suitability
SME
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

42 - Industrial machinery

45 - Construction work

50 - Repair and maintenance services

90 - Sewage, refuse, cleaning and environmental services

CPV Codes

42512300 - HVAC packages

45000000 - Construction work

45210000 - Building construction work

45262660 - Asbestos-removal work

50710000 - Repair and maintenance services of electrical and mechanical building installations

90650000 - Asbestos removal services

Notice Value(s)

Tender Value
£30,000,000 £10M-£100M
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
18 Nov 20253 months ago
Submission Deadline
Not specified
Future Notice Date
2 Feb 2026Expired
Award Date
Not specified
Contract Period
12 Jul 2026 - 12 Jul 2029 3-4 years
Recurrence
Not specified

Notice Status

Tender Status
Planning
Lots Status
Planning
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
SECRETARY OF STATE FOR HEALTH AND SOCIAL CARE ACTING AS PART OF THE CROWN THROUGH UK HEALTH SECURITY AGENCY
Contact Name
Commercial Operations
Contact Email
procurementnotices@ukhsa.gov.uk
Contact Phone
Not specified

Buyer Location

Locality
LONDON
Postcode
E14 4PU
Post Town
East London
Country
England
Major Region (ITL 1)
TLI London
Basic Region (ITL 2)
TLI4 Inner London - East
Small Region (ITL 3)
TLI42 Tower Hamlets
Delivery Location
TLK South West (England)
Local Authority
Tower Hamlets
Electoral Ward
Canary Wharf
Westminster Constituency
Poplar and Limehouse

Further Information

Notice Documents

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-05e31a-2025-11-18T11:08:09Z",
    "date": "2025-11-18T11:08:09Z",
    "ocid": "ocds-h6vhtk-05e31a",
    "initiationType": "tender",
    "parties": [
        {
            "id": "GB-PPON-PBMQ-7576-DVGW",
            "name": "Secretary of State for Health and Social Care acting as part of the Crown through UK Health Security Agency",
            "identifier": {
                "scheme": "GB-PPON",
                "id": "PBMQ-7576-DVGW"
            },
            "address": {
                "streetAddress": "10 South Colonnade",
                "locality": "London",
                "postalCode": "E14 4PU",
                "country": "GB",
                "countryName": "United Kingdom",
                "region": "UKI42"
            },
            "contactPoint": {
                "name": "Commercial Operations",
                "email": "procurementnotices@ukhsa.gov.uk"
            },
            "roles": [
                "buyer"
            ],
            "details": {
                "url": "https://www.gov.uk/government/organisations/uk-health-security-agency",
                "classifications": [
                    {
                        "scheme": "UK_CA_TYPE",
                        "id": "publicAuthorityCentralGovernment",
                        "description": "Public authority - central government"
                    }
                ]
            }
        }
    ],
    "buyer": {
        "id": "GB-PPON-PBMQ-7576-DVGW",
        "name": "Secretary of State for Health and Social Care acting as part of the Crown through UK Health Security Agency"
    },
    "planning": {
        "milestones": [
            {
                "id": "engagement",
                "type": "engagement",
                "description": "The UK Health Security Agency (UKHSA) are looking to conduct preliminary market engagement in advance of a future procurement exercise to appoint a contractor for a complex refurbishment project with the UKHSA Porton site, which houses high-containment laboratories, offices and corridors. The scope of this project includes: - Replacement of approximately 4km of supply and extract ductwork. - Installation of new Air Handling Units (AHUs) and extract fans. - Removal and disposal of asbestos contaminated ductwork (notifiable asbestos work). - Associated works including the replacement of doors, windows, fire access doors, corridor panelling, riser firestopping, and other related items. The key challenges for this requirement are: - Working within high-containment laboratory environments with strict biosafety protocols. - Coordination around live services to maintain operational continuity. - Compliance with asbestos regulations and robust health and safety standards. We anticipate a collaborative delivery model and welcome innovative solutions to manage complexity, phasing and risk. If this requirement is within your companies capabilities and is of interest, please complete the questionnaire that can be found at the below link: https://forms.office.com/e/vTZU59MQDN Questionnaires should be complete by 12 noon on Monday 24th November 2025.",
                "dueDate": "2025-11-24T23:59:59Z",
                "status": "scheduled"
            }
        ],
        "documents": [
            {
                "id": "074673-2025",
                "documentType": "marketEngagementNotice",
                "noticeType": "UK2",
                "description": "Preliminary market engagement notice on Find a Tender",
                "url": "https://www.find-tender.service.gov.uk/Notice/074673-2025",
                "datePublished": "2025-11-18T11:06:38Z",
                "format": "text/html"
            },
            {
                "id": "074676-2025",
                "documentType": "marketEngagementNotice",
                "noticeType": "UK2",
                "description": "Preliminary market engagement notice on Find a Tender",
                "url": "https://www.find-tender.service.gov.uk/Notice/074676-2025",
                "datePublished": "2025-11-18T11:08:09Z",
                "format": "text/html"
            }
        ]
    },
    "tender": {
        "id": "C402063",
        "legalBasis": {
            "id": "2023/54",
            "scheme": "UKPGA",
            "uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents"
        },
        "title": "Porton Main Plenum Replacement",
        "description": "This contract will be for works to replace approximately 4km of supply and extract ductwork, install new air handling units and extract fans, removal and disposal of asbestos contaminated ductwork and other associated works.",
        "items": [
            {
                "id": "1",
                "additionalClassifications": [
                    {
                        "scheme": "CPV",
                        "id": "50710000",
                        "description": "Repair and maintenance services of electrical and mechanical building installations"
                    },
                    {
                        "scheme": "CPV",
                        "id": "45262660",
                        "description": "Asbestos-removal work"
                    },
                    {
                        "scheme": "CPV",
                        "id": "90650000",
                        "description": "Asbestos removal services"
                    },
                    {
                        "scheme": "CPV",
                        "id": "45000000",
                        "description": "Construction work"
                    },
                    {
                        "scheme": "CPV",
                        "id": "45210000",
                        "description": "Building construction work"
                    },
                    {
                        "scheme": "CPV",
                        "id": "42512300",
                        "description": "HVAC packages"
                    }
                ],
                "deliveryAddresses": [
                    {
                        "region": "UKK",
                        "country": "GB",
                        "countryName": "United Kingdom"
                    },
                    {
                        "region": "UKK",
                        "country": "GB",
                        "countryName": "United Kingdom"
                    }
                ],
                "relatedLot": "1"
            }
        ],
        "value": {
            "amountGross": 36000000,
            "amount": 30000000,
            "currency": "GBP"
        },
        "mainProcurementCategory": "works",
        "aboveThreshold": true,
        "lots": [
            {
                "id": "1",
                "suitability": {
                    "sme": true
                },
                "contractPeriod": {
                    "startDate": "2026-07-13T00:00:00+01:00",
                    "endDate": "2029-07-12T23:59:59+01:00"
                },
                "status": "planning"
            }
        ],
        "communication": {
            "futureNoticeDate": "2026-02-02T23:59:59Z"
        },
        "status": "planning",
        "amendments": [
            {
                "id": "074676-2025",
                "description": "Engagement timeline changed to 24/11/25"
            }
        ]
    },
    "language": "en"
}