Skip to content
CARTIS

Colt London 5 Data Centre

Hayes, England, United KingdomPreconstruction
Evidence
Planned critical IT
31.5 MW
Updated
Oct 28, 2026

Colt London 5 Data Centre is a separately identified Hayes building with 31.5 MW of future IT design. Shared campus power, permits and later buildings are not rolled into this facility headline. Tenant utilization, contract pricing and undisclosed project financing remain outside the verified public record.

Capacity

Reported capacity

Design

31.5 MW

Source

Reported capacity

Planned / design or future potential

31.5 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

Development, permitting and phased deliveryAnnounced or preconstruction

Colt London 5 Data Centre is a separately identified Hayes building with 31.5 MW of future IT design. Shared campus power, permits and later buildings are not rolled into this facility headline. Tenant utilization, contract pricing and undisclosed project financing remain outside the verified public record.

Participants

Colt Data Centre Services

Developer

Sources by role
Developer (1)

Site & development

Location context

Actual

Colt London 5 | Hayes | England | GB

Source

Location context

Actual

Colt London 5 | Hayes | England | GB

Source

Project location

Actual

Hayes, England, GB

Source

Additional project facts

Lifecycle status

Actual

Preconstruction

Source

Capacity basis

Actual

Colt Data Centre Services publishes 31.5 MW of IT power for this project boundary.

Source

Lifecycle status

Actual

Preconstruction

Source

Capacity basis

Actual

31.5 MW is the published future facility or full build IT boundary; it is not operating load.

Source

Operator confirmed

Actual

Colt Data Centre Services

Source

Current lifecycle

Actual

Under development

Source

Capacity classification

Actual

Future potential

Source

Capacity basis

Actual

31.5 MW is the published future facility or full build IT boundary; it is not operating load.

Source

Customer utilization

Actual

Not publicly disclosed

Source

Identity boundary

Actual

This facility or named campus is tracked separately from adjacent buildings and broader operator portfolios

Source

Source refresh date

Actual

2026-08-29

Source

Shared hayes campus

Actual

London Hayes

Source

Infrastructure & permits

Technical details (3)
Electric grid

Planned or represented

31.5 MW

31.5 MW is the published future facility or full-build IT boundary; it is not operating load.

Fiber

Planned or represented

Carrier-neutral or resilient fibre connectivity is described for the individual facility.

Cooling system

Planned or represented

Cooling architecture supports the stated lifecycle; actual tenant draw and instantaneous load remain undisclosed.

Building · Issued

Colt London 5 Data Centre

London Borough of Hillingdon

Jun 5, 2025

Sources (1)

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

Related projects (4)
Colt London 4 Data Centre

Under construction · Hayes, England, United Kingdom

Same locality: Hayes · Shared participant: Colt Data Centre Services

Compare in a collection
Colt London 6, 7 and 8 Data Centres

Preconstruction · Hayes, England, United Kingdom

Same locality: Hayes · Shared participant: Colt Data Centre Services

Compare in a collection
CyrusOne LON2 Heathrow Data Center

Operating · Hayes, England, United Kingdom

Same locality: Hayes

Compare in a collection
VIRTUS London 2 Hayes Data Centre

Operating · Hayes, England, United Kingdom

Same locality: Hayes

Compare in a collection