Integrated Security Solutions (ISS) Works at Walham and Pentir
NATIONAL GRID ELECTRICITY TRANSMISSION PLC
Description
National Grid Electricity Transmission Plc is seeking experienced and suitably qualified suppliers capable of delivering a fully integrated security solution for critical national infrastructure sites at Walham and Pentir. The requirement is divided into two separate Lots: Lot 1 (Walham) and Lot 2 (Pentir). Suppliers may submit tenders for one or both Lots; however, no supplier will be awarded more than one Lot. Further details in relation to the scope are set out in the Instructions to Tenderers.
- 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
- 45314000 Installation of telecommunications equipment
- 45340000 Fencing, railing and safety equipment installation work
- 79415200 Design consultancy services
- 79933000 Design support services
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Source: Find a Tender Service — UK Cabinet Office. Open Government Licence v3.0. Updated 12 October 2026.