Site · Multiple connections
CyrusOne LON1 Slough Data Center
Operating / Stabilized · Slough, England, United Kingdom
Same locality: SloughShared participant: CyrusOne
All records
Data center siteSite record
CyrusOne LON4 Slough Data Center
Slough, England, United KingdomOperating / Stabilized
Capacity
18 MW
Planned critical IT
Lead participant
CyrusOne
Developer
Last updated
Aug 28, 2026
Most recent public record update
About CyrusOne LON4 Slough Data Center
CyrusOne LON4 Slough Data Center, also known as CyrusOne LON4, is a data center project in Slough, England, GB associated with CyrusOne. Purpose-built two-floor facility; 9,526 square metres of technical space; 18 MW IT capacity. West London facility with 27 MVA active-active supply, closed-loop cooling and layered security.
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Capacity
Planned critical ITOperating capacity—An operating IT-capacity figure has not been publicly disclosed.
It Load18 MWDesign · CyrusOne LON4 Slough Data Center
Design18 MWDesign · CyrusOne LON4 Slough Data Center
Development
1 phases · 1 milestonesOperating facility and documented expansionOperational
18 MW is the operator-published facility or campus design boundary. It is not measured tenant utilization or live IT draw.
May 17, 2022
London 4/5 environmental permit issued
CompletedInfrastructure
Electric GridEnergized
West London facility with 27 MVA active-active supply, closed-loop cooling and layered security.
Cooling SystemOperational
Operator describes resilient cooling; Public sources do not establish water use or delivered capacity beyond the cited project specification.
Project map
0 of 1 project point mappedInfrastructure facts
2
Mapped records
1
Capacity figures
0
No map point available
Power & interconnection: 1Cooling & water: 1
Facts & sources
Published claims and their source links.
Location ContextCyrusOne LON4 | Slough | England | GBActual
CyrusOne LON4 | Slough | England | GB
Lifecycle StatusOperationalActual
Operational
Reported Capacity18 MWDesign
18 MW
Capacity BasisCyrusOne describes LON4 as delivering 18 MW of IT capacity.Actual
CyrusOne describes LON4 as delivering 18 MW of IT capacity.
Location ContextCyrusOne LON4 | Slough | England | GBActual
CyrusOne LON4 | Slough | England | GB
Lifecycle StatusOperatingActual
Operating
Reported Capacity18 MWDesign
18 MW
Capacity Basis18 MW facility or campus design capacity.Actual
18 MW facility or campus design capacity.
Project BoundaryCyrusOne LON4Actual
CyrusOne LON4
Location ContextSlough, England, GBActual
Slough, England, GB
Lifecycle StatusOperatingActual
Operating
Development DetailPurpose built two floor facility; 9,526 square metres of technical space; 18 MW IT capacity.Actual
Purpose built two floor facility; 9,526 square metres of technical space; 18 MW IT capacity.
Capacity Basis18 MW facility or campus design capacity.Actual
18 MW facility or campus design capacity.