Estimated Value
Up to £6,500,000
Deadline
26 October 2026
15 days remaining
Published
16 September 2026
Type
Not specified
Overview
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 https://www.find-tender.service.gov.uk/Notice/001878-2025 The event was run in May 2025.
Key points
- Mini Pleat HEPA Filters. Unmodified. Type I & II
- Large Circular Filters (Internal and External Seal) stainless steel case
- Large Circular Filters (Internal Seal) PU case.
- In line canister filters (flanged) •
- Push through HEPA filters (stainless steel case)
Key points
- Deep pleat HEPA Filters (with and without features)
- Mini-pleat filters modified with lifting features & attachments
- Large Circular HEPA filters mild steel (Internal & external Seal)
- In line Canister HEPA Filters (screwed)
- In line Canister HEPA Filters (painted mild steel)
- Specialist HEPA Filters & accessories
- Small HEPA Filters
Additional details
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.
AI AnalysisMembers
Requirements, key tasks and tips for reading this tender — included with Tendarix membership.
£4.99/month after a 7-day free trial. Cancel anytime before it ends and you pay nothing.
Likely incumbents
Suppliers who won similar work from this buyer in the last 5 years.
- 1
Spencer Graham Coaches Limited
2 contracts wonlatest 30 Apr 2025ends 31 Oct 2025£294,409
total awarded
- 2
Reays Coaches Limited
2 contracts wonlatest 28 Apr 2025ends 30 Sept 2025£100,000
total awarded
- 3
Confederation of British Industry
1 contract wonlatest 5 Jun 2025£120,966
total awarded
Spencer Graham Coaches Limited is the most likely incumbent based on recency and category match. To win, bidders typically need a clearly differentiated proposition or a price advantage.
Before you bid, buyers check
two years of filed accountsyour financial standingturnover vs contract valueyour Companies House recordcash flow for 30-day termscredit scores and ratios
Actions
Start free trialto open noticeCreate an account and start a 7-day free trial to open the buyer’s own notice and tender documents, plus fit scoring and the Bid Writer. Then £4.99/month — cancel anytime.
Open Bid WriterIndependent software, web & cloud studio. We design, build and grow digital products that quietly outlast their category.
How to Apply
Step-by-step submission guide
Submission Portal
Find a Tender
Open the original notice
Click the button below to view the full notice on Find a Tender Service (FTS)
Check the procedure type
The "Procedure" section tells you if it's Open (one stage) or Restricted (SQ then ITT). This changes how you apply
Access the eSourcing portal
FTS notices link to the buyer's eSourcing platform — register there to access documents
Complete the Selection Questionnaire
Higher-value contracts often require an SQ first — this pre-qualifies you before the full bid stage
Submit electronically
Upload your completed response through the eSourcing platform before the closing date and time
FTS contracts are above UK procurement thresholds. Late submissions are strictly rejected — submit at least 24 hours before the deadline to avoid portal issues.
Useful Resources
Create an account and start a 7-day free trial to open the buyer’s own notice and tender documents, plus fit scoring and the Bid Writer. Then £4.99/month — cancel anytime.
Buyer Profile
Sellafield Ltd (West Cumbria Hse)Key Dates
Published
16 September 2026
Submission deadline
26 October 2026
Notice type
tender
Source
find a tender
Related Tenders
Asset management and property management
You are invited to submit a response to this Request to Participate (RtP) for the provision of Asset Management and Property Management Services. This procurement is being conducte
4 John street, maryport - lintel replacement and rendering
Replacement of a rotten timber lintel with a new steel or concrete lintel for a property located within a conservation area. To include renewal of lime stucco render to the front e
Provision of linen and laundry services
Provision of Linen and Laundry Services for NHS Trusts within Lancashire and South Cumbria. The Contracting Authorities are seeking a supplier or suppliers to provide comprehensive
Tfgm single view of the network
Transport for Greater Manchester (TfGM) is seeking a cloud-hosted, AI-assisted Intelligent Transport Systems decision-support platform. The platform is intended to bring together a