ISS Works at Walham and Pentir
National Grid Electricity Transmission Plc is seeking an experienced and suitably qualified suppliers capable of delivering a fully integrated security solution for critical national infrastructure sites at Walham and Pentir.
Buyer
NATIONAL GRID ELECTRICITY TRANSMISSION PLC
Value
Not provided
Published
17 Aug 2026
Closes
28 Sept 2026
Procurement details
Source
Find a Tender
Region
Westminster
Procurement method
Selective
Category
Works
Contract starts
Not provided
Contract ends
Not provided
CPV classifications
32235000
Closed-circuit surveillance system
34928200
Fences
35120000
Surveillance and security systems and devices
44221300
Gates
45220000
Engineering works and construction works
45232220
Substation construction work
45312100
Fire-alarm system installation work
45312200
Burglar-alarm system installation work
Lots
ISS Walham, Gloucestershire
Lot 1
Value not provided
National Grid Electricity Transmission Plc is seeking an experienced and suitably qualified supplier capable of delivering a fully integrated security solution for a critical national infrastructure site at Walham.
Delivery: UK · United Kingdom
ISS Pentir, Gwynedd
Lot 2
Value not provided
National Grid Electricity Transmission Plc is seeking an experienced and suitably qualified supplier capable of delivering a fully integrated security solution for a critical national infrastructure site at Pentir.
Delivery: UK · United Kingdom
Document metadata
Please complete the Microsoft Form to submit an Expression of Interest to receive tender notice documentation. The information collected will be used as part of...
Please complete the Microsoft Form to submit an Expression of Interest to receive tender notice documentation. The information collected will be used as part of the first-stage SAP Ariba onboarding process for National Grid. All fields are...
biddingDocuments
Not provided
Unlock document linkPlanned procurement notice on Find a Tender
Planned procurement notice on Find a Tender
plannedProcurementNotice · UK3 · text/html
17 Aug 2026
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