Sizewell C Waterproofing Materials, £2.5m-£5m
Summary
Sizewell C nuclear project invites suppliers for waterproofing materials procurement valued at £2.5 million to £5 million. The contract covers 120,000 m² bonded membrane, 45,000 m² unbonded membrane, waterbar materials, sealants, and accessories for nuclear facility construction. Bids close 23 April 2026 at 5:30pm.
What changed
The Sizewell C nuclear power project has published a supply contract notice for waterproofing materials valued between £2.5 million and £5 million. The procurement includes 120,000 m² bonded membrane, 45,000 m² unbonded membrane, waterbars (hydrophilic, elastomer, and PVC types totaling over 76,000 linear metres), and related accessories such as sealants and compressible seismic design materials. The contract runs from 3 November 2026 to 2 December 2027.
Suppliers of waterproofing and construction materials should review the full tender documentation via the competefor.com portal and prepare submissions before the 23 April 2026 closing deadline. The contract is designated suitable for SMEs but not VCSEs. Interested parties should contact Oliver Stapley at Sizewell C directly for additional information.
What to do next
- Submit bid before 23 April 2026, 5:30pm deadline
- Follow instructions at competefor.com to view full tender details
- Contact Oliver Stapley at oliver.stapley@sizewellc.com for further information
Archived snapshot
Apr 14, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
Published date: 14 April 2026
Open opportunity - This means that the contract is currently active, and the buying department is looking for potential suppliers to fulfil the contract.
Watch this notice Print this notice Closing: 23 April 2026, 5:30pm
Contract summary
Industry
- Waterproofing work - 45261420
Location of contract
Any region
Value of contract
£2,500,000 to £5,000,000
Procurement reference
C4N110888231
Published date
14 April 2026
Closing date
23 April 2026
Closing time
5:30pm
Contract start date
3 November 2026
Contract end date
2 December 2027
Contract type
Supply contract
Contract is suitable for SMEs?
Yes
Contract is suitable for VCSEs?
No
Description
The waterproofing package includes the supply of all materials, namely bonded and unbonded membranes, waterbar materials and accessories, which are assembled and installed to form a specific waterproofing system to meet the design requirements. Dependent on the waterproofing system used, the waterproofing materials can be cast into the concrete when poured or applied post pour. The system design is installed to prevent the ingress of water into.
The requirement includes 120,000 m2 bonded membrane, 45,000 m2 unbonded membrane, 30,000 l/m joint waterbars, 4,500 l/m hydrophilic waterbars, 15,800 l/m elastomer waterbars, 36,540 l/m PVC waterbars as well as related accessories such as 22,000 units of sealants and adhesives and compressible materials to suit seismic design.
More information
Links
- https://www.competefor.com/business/viewOpportunityDetailsSupplier.html?id=110888233
- Tender notice
- Please follow this link to view the notice.
How to apply
Follow the instructions given in the description or the more information section.
About the buyer
Contact name
Oliver Stapley
Address
90 Whitfield Street
London
W1T4EZ
UK
Telephone
07385513532
Share this notice
Watch this notice Print this notice Closing: 23 April 2026, 5:30pm
Related changes
Get daily alerts for Contracts Finder - Open Opportunities
Daily digest delivered to your inbox.
Free. Unsubscribe anytime.
Source
About this page
Every important government, regulator, and court update from around the world. One place. Real-time. Free. Our mission
Source document text, dates, docket IDs, and authority are extracted directly from UK Gov.
The summary, classification, recommended actions, deadlines, and penalty information are AI-generated from the original text and may contain errors. Always verify against the source document.
Classification
Who this affects
Taxonomy
Browse Categories
Get alerts for this source
We'll email you when Contracts Finder - Open Opportunities publishes new changes.
Subscribed!
Optional. Filters your digest to exactly the updates that matter to you.