Source: https://tendernation.io/opportunities/01a13bc7-d5d2-705e-824e-ef5796c114e2/porton-main-plenum-replacement [Skip to main content](#main-content) pendingGBopen procedureSuitable for SMEs # Porton Main Plenum Replacement [Secretary of State for Health and Social Care acting as part of the Crown through UK Health Security Agency](https://tendernation.io/buyers/secretary-of-state-for-health-and-social-care-acting-as-part-of-the-crown-through-uk-health-security-agency) Estimated value £30,000,000 Published 18 Nov 2025 Deadline Rolling deadline ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Open procedure Anyone can submit a full tender; there is no shortlisting stage. [More contracts for small businesses and VCSEs](/opportunities/for-small-businesses)## About this tender 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. ## CPV classification Repair and maintenance services of electrical and mechanical building installationsAsbestos-removal workAsbestos removal servicesConstruction workBuilding construction workHVAC packages Source Find a Tender (UK) · Notice ocds-h6vhtk-05e31a-2025-11-18T11:08:09Z [View official notice ](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-05e31a-2025-11-18T11:08:09Z) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free ](/register) [Buyer profileSecretary of State for Health and Social Care acting as part of the Crown through UK Health Security Agency: past awards and live tenders](https://tendernation.io/buyers/secretary-of-state-for-health-and-social-care-acting-as-part-of-the-crown-through-uk-health-security-agency)[SectorMore Repair & maintenance services tenders](https://tendernation.io/sectors/repair-maintenance) ## More tenders like this [Fire Safety Equipment Maintenance and Repairs Ashford Borough Council 24 days left 10 Nov 2026](https://tendernation.io/opportunities/01a14571-3623-737d-a51d-7934161519b0/fire-safety-equipment-maintenance-and-repairs)[Arboricultural services - Tree works operations London Borough Of Islington 6 days left 23 Oct 2026](https://tendernation.io/opportunities/01a13b64-8536-7181-9418-13e510ec7107/arboricultural-services-tree-works-operations)[Repair and maintenance services – Dynamic purchasing system (DIO) purchase of handicraft services Værnesregionen Innkjøp 2189 days left 14 Oct 2032](https://tendernation.io/opportunities/01a14210-0124-70ed-af0a-f1a9457d69ac/norway-repair-and-maintenance-services-dynamic-purchasing-system-dio-purch)[Repair, maintenance and associated services of vehicles and related equipment – ICP20270002 - AQUISIÇÃO DE SERVIÇOS DE MANUTENÇÃO E ASSISTÊNCIA TÉCNICA A VIATURAS MULTIMARCA DA FROTA AUTOMÓVEL DO SESARAM, EPERAM Serviço de Saúde da Região Autónoma da Madeira, EPERAM 31 days left 16 Nov 2026](https://tendernation.io/opportunities/01a1420f-fdf2-70e3-a17b-2e7fcf2c0177/portugal-repair-maintenance-and-associated-services-of-vehicles-and-related-e)[Repair and maintenance services – Marché Maintenance multitechnique ENSAIT Ensait 32 days left 18 Nov 2026](https://tendernation.io/opportunities/01a14210-00d9-72e7-9aac-e2b22316d4c8/france-repair-and-maintenance-services-marche-maintenance-multitechnique-ens)[Repair and maintenance services of electrical distribution equipment – OSALLISTUMISPYYNTÖ: Suurjännitteisen verkon kunnossapitopalvelut (sähköasemat) Caruna Oy 14 days left 30 Oct 2026](https://tendernation.io/opportunities/01a14210-0b7a-73db-8966-5ecaa31e0540/finland-repair-and-maintenance-services-of-electrical-distribution-equipment)