Planning

Porton Main Plenum Replacement

  • Secretary of State for Health and Social Care acting as part of the Crown through UK Health Security Agency

UK2: Preliminary market engagement notice - Procurement Act 2023 - view information about notice types

Notice identifier: 2025/S 000-074673

Procurement identifier (OCID): ocds-h6vhtk-05e31a

Published 18 November 2025, 11:06am

Last edited 18 November 2025, 11:08am

Show all versions Hide all versions


This is an old version of this notice. View the latest version.

Scope

Reference

C402063

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.

Total value (estimated)

  • £30,000,000 excluding VAT
  • £36,000,000 including VAT

Above the relevant threshold

Contract dates (estimated)

  • 13 July 2026 to 12 July 2029
  • 3 years

Main procurement category

Works

CPV classifications

  • 50710000 - Repair and maintenance services of electrical and mechanical building installations
  • 45262660 - Asbestos-removal work
  • 90650000 - Asbestos removal services
  • 45000000 - Construction work
  • 45210000 - Building construction work
  • 42512300 - HVAC packages

Contract locations

  • UKK - South West (England)

Engagement

Engagement deadline

28 November 2025

Engagement process 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.


Participation

Particular suitability

Small and medium-sized enterprises (SME)


Submission

Publication date of tender notice (estimated)

2 February 2026


Contracting authority

Secretary of State for Health and Social Care acting as part of the Crown through UK Health Security Agency

  • Public Procurement Organisation Number: PBMQ-7576-DVGW

10 South Colonnade

London

E14 4PU

United Kingdom

Region: UKI42 - Tower Hamlets

Organisation type: Public authority - central government