Source: https://tendernation.io/opportunities/01a13bcc-4eaa-7312-9a6a-419adf977760/supply-of-hepa-filters closed GB restricted procedure Suitable for SMEs # Supply of HEPA Filters [Sellafield Limited](https://tendernation.io/buyers/sellafield-limited) Estimated value £6,500,000 Published 16 Sept 2026 Deadline Rolling deadline ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Split into 2 lots You can usually bid for just the lots you can deliver. - Sets up a framework Winning a place does not guarantee work: contracts are awarded later as call-offs, and the list usually stays closed for years. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender The Detailed Design, Manufacture, Test, Supply and Delivery of Nuclear Grade Air Filters, including High Efficiency Particulate Air (HEPA) Filters to the NDA Operating Companies; Sellafield Ltd, NRS and NRS Dounreay. All HEPA Filter items produced must meet the relevant Sellafield Ltd specifications. The items will be ordered as required as call off orders and there is no guarantee of volumes. There is a requirement for type testing across the goods specifications. Full specifications and procurement documents for this tender are available to interested parties who register on Atamis project C8489, details on how to do this are contained within this notice. A preliminary Market Engagement (UK2) Notice has not been issued ahead of this Tender (UK4) Notice, this is because a Prior Information Notice (PIN) was issued in January 2025 to inform the market of a Market Engagement Event that was held, a link to this notice is contained in the following link [find-tender.service.gov.uk/Notice/001878-2025](https://www.find-tender.service.gov.uk/Notice/001878-2025) The event was run in May 2025. A copy of the presentation slides delivered during this market engagement event have been uploaded into Atamis Project C8489, under the Documents Folder 0. Market Engagement. ## CPV classification Air filters Source Find a Tender (UK) · Notice ocds-h6vhtk-050366-2026-09-16T14:51:48+01:00 [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-050366-2026-09-16T14:51:48+01:00) 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](https://tendernation.io/register) [Buyer profile Sellafield Limited: past awards and live tenders](https://tendernation.io/buyers/sellafield-limited) [Sector More Industrial machinery tenders](https://tendernation.io/sectors/industrial-machinery) ## More tenders like this [Lifting and handling equipment – Moyens de manutention motorisés · Union des Groupements d'Achats Publics · 57 days left · 15 Dec 2026](https://tendernation.io/opportunities/01a156a9-88ab-73d8-bf7c-44ba9139abc3/france-lifting-and-handling-equipment-moyens-de-manutention-motorises) [Lathes – Strung universal cu diametrul de prelucrare între Ø 320 ÷ Ø 380 mm · S Uzina Mecanica Plopeni SA · 32 days left · 20 Nov 2026](https://tendernation.io/opportunities/01a156a9-89ea-7222-a30a-79ce9a09d1c7/romania-lathes-strung-universal-cu-diametrul-de-prelucrare-intre-o-320-o-3) [Water pumps – ΠΡΟΜΗΘΕΙΑ ΑΝΤΑΛΛΑΚΤΙΚΩΝ ΓΙΑ ΤΙΣ ΥΠΗΡΕΣΙΕΣ ΕΠΙΣΚΕΥΗΣ ΤΩΝ ΥΠΟΒΡΥΧΙΩΝ ΑΝΤΛΗΤΙΚΩΝ ΣΥΓΚΡΟΤΗΜΑΤΩΝ ΥΔΡΕΥΣΗΣ · ΔΗΜΟΤΙΚΗ ΕΠΙΧΕΙΡΗΣΗ ΥΔΡΕΥΣΗΣ-ΑΠΟΧΕΥΤΕΥΣΗΣ ΗΡΑΚΛΕΙΟΥ (Δ.Ε.Υ.Α.Η.) · 35 days left · 23 Nov 2026](https://tendernation.io/opportunities/01a156a9-74e7-7383-82e1-b4c6885044d2/greece-water-pumps-promhthia-antallaktikon-gia-tis-yphresies-episkefhs-ton-y) [Miscellaneous special-purpose machinery – „Wood Vision Lab“ - das Technikum: "Absauganlage" · Wood Vision Lab GmbH · 8 days left · 27 Oct 2026](https://tendernation.io/opportunities/01a156a9-7ec8-7322-8445-8dcef4fed830/austria-miscellaneous-special-purpose-machinery-wood-vision-lab-das-tech) [Centrifuges – Centrifug och styrskåp - Hudiksvalls kommun · Hudiksvalls kommun · 2 days left · 21 Oct 2026](https://tendernation.io/opportunities/01a156a9-8986-70b3-a08f-2e4ab5fe626c/sweden-centrifuges-centrifug-och-styrskap-hudiksvalls-kommun) [Machinery and apparatus for filtering or purifying water – Systém na přípravu ultračisté vody · Vysoká škola báňská - Technická univerzita Ostrava · 35 days left · 23 Nov 2026](https://tendernation.io/opportunities/01a156a9-8de7-7383-a6dd-5533ea57df0c/czechia-machinery-and-apparatus-for-filtering-or-purifying-water-system-na-p)