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CARTIS

NTT DATA London 1 Data Center Campus

Dagenham, England, United KingdomPartially operational
Evidence
Planned critical IT
64 MW
Updated
Oct 28, 2026

NTT DATA London 1 Data Center Campus, also known as NTT London 1, is a data center project in Dagenham, England, GB associated with NTT DATA. Flagship Dagenham facility; 64 MW critical IT load at full buildout; phased opening from 8 MW. East London campus connected to NTT Global Data Center Interconnect and London carrier ecosystems. 32 MW is the current first-building critical IT design; 64 MW is the full-build two-building envelope.

Capacity

Reported capacity

Design

64 MW

Source

Reported capacity

Planned / design or future potential

32 MW

Source

Operating IT capacity: Not established in published records

A missing figure does not mean zero. Planned, utility and generation figures are not operating IT capacity.

Development

Operating facility and documented expansionPartially operational

32 MW is the current first-building critical IT design; 64 MW is the full-build two-building envelope.

Milestones (1)
London 1 first building opened

Dec 1, 2020 · Recorded actual event

Completed · Commercial operation

Source not linked

Participants

NTT DATA

Developer

Sources by role
Developer (1)

Site & development

Location context

Actual

NTT London 1 | Dagenham | England | GB

Source

Location context

Actual

NTT London 1 | Dagenham | England | GB

Source

Onsite substation

Design

80 MVA

Source

Additional project facts

Lifecycle status

Actual

Partially operational

Source

Capacity basis

Actual

NTT DATA publishes 64 MW of critical IT capacity for this record boundary.

Source

Lifecycle status

Actual

Partially operational

Source

Capacity basis

Actual

32 MW is the current first building critical IT design; 64 MW is the full build two building envelope.

Source

Current server space

Design

12,800 square metres

Source

Infrastructure & permits

Technical details (3)
Electric grid

Energized

East London campus connected to NTT Global Data Center Interconnect and London carrier ecosystems.

Cooling system

Operational

Cooling and efficiency claims remain limited to operator-described designs; no water use or delivered load is inferred.

Electric grid

Energized

80 MVA gross

Gross substation supply is not IT capacity.

Public-source research. Plans may change. See Evidence for sources and qualifications.