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Data Centre Axis
Greater London · market

Data centres in London

Review selected facility locations for data centres in London and evaluate project requirements across site sourcing, capacity procurement, and capital transactions through Data Centre Axis consultancy and advisory.

London geographic locator within United Kingdom, showing approximate market reference points rather than individual facilities.
Approximate market locator; not a facility location or available-capacity map. Outlines: Natural Earth (public domain).
27
facilities in the directory
92 MW
published IT capacity reported by 6 of 27 facilities

Indicative estimates · public sources

Market context

The London data centre market

Our selected directory lists facilities in London, including Equinix LD8, Telehouse North London, Telehouse South, VIRTUS LONDON1 Enfield, VIRTUS LONDON5 Stockley Park, Interxion LON1 London, Global Switch London East, NTT London 1, Colt London City, CyrusOne LON1, and iomart Central London (DC2). These entries reflect directory listings rather than operational capacity or availability audits. When comparing facilities, what contracted power, delivery schedules, and technical specifications match your deployment programme?

27 known data centres in London

Full directory

Selected facilities across lifecycle stages in London, compiled from public records rather than an exhaustive census. Capacity reflects published operator data.

Global Switch London East

Operating

London, United Kingdom

Global Switch 87 MW operator-published capacity

Colt London 4

Under construction

London, United Kingdom

Colt DCS 31 MW operator-published capacity

VIRTUS LONDON5 Stockley Park

Operating

London, United Kingdom

VIRTUS Data Centres 24 MW operator-published IT capacity

Telehouse South

Operating

London, United Kingdom

Telehouse 18 MW operator-published capacity

CyrusOne LON4

Operating

London, United Kingdom

CyrusOne 18 MW operator-published IT capacity

CyrusOne LON5

Operating

London, United Kingdom

CyrusOne 18 MW operator-published IT capacity

CyrusOne LON2

Operating

London, United Kingdom

CyrusOne 14 MW operator-published IT capacity

CyrusOne LON1

Operating

London, United Kingdom

CyrusOne 9 MW operator-published IT capacity

CyrusOne LON3

Operating

London, United Kingdom

CyrusOne 9 MW operator-published IT capacity

Equinix LD8

Operating

London, United Kingdom

Equinix

Telehouse North London

Operating

London, United Kingdom

Telehouse

VIRTUS LONDON1 Enfield

Operating

London, United Kingdom

VIRTUS Data Centres

Interxion LON1 London

Operating

London, United Kingdom

Digital Realty

Digital Realty London LHR18

Operating

London, United Kingdom

Digital Realty

Digital Realty London LHR19

Operating

London, United Kingdom

Digital Realty

Digital Realty London LHR20

Operating

London, United Kingdom

Digital Realty

Digital Realty London LON2

Operating

London, United Kingdom

Digital Realty

Digital Realty London LON3

Operating

London, United Kingdom

Digital Realty

NTT London 1

Operating

London, United Kingdom

NTT

Colt London City

Operating

London, United Kingdom

Colt DCS

Colt London North

Operating

London, United Kingdom

Colt DCS

Colt London West

Operating

London, United Kingdom

Colt DCS

Telehouse North Two

Operating

London, United Kingdom

Telehouse

Telehouse West

Operating

London, United Kingdom

Telehouse

CyrusOne LON6

Planned

London, United Kingdom

CyrusOne

iomart Central London (DC2)

Operating

London, United Kingdom

iomart

iomart North London (DC12)

Operating

London, United Kingdom

iomart
Power · grid · water

What limits new data centre capacity in London

Compare parcel suitability, connection evidence, timing and cooling requirements together when assessing options for new London capacity.

Where parcel-specific data is required, examine formal electricity connection documentation, allocated power, required network works, energisation schedules, and connection costs. In addition, review water availability, heat-rejection limits, and cooling design parameters to confirm the site meets your planned operational load.

Indicative · compiled from public sources

The London data centre pipeline

Planning, grid and tender activity in Greater London, aggregated by build stage from public records, reflecting masked regional activity rather than verified opportunities.

Enquire about capacity
By signal type1 tracked
Planning
1
Planning Greater London · GB
50–100 MW

Type, region and capacity band only. Review site records and sources through private intelligence access.

Data centres in London, answered

How many data centres are in London?

Data Centre Axis tracks 27 selected directory records (which may be campuses, buildings or construction stages) in London in its public directory; 6 of them publish IT capacity, totalling about 92 MW. Planning and grid-stage projects in London are followed directly from public records: contact the team to review data for a specific site or local requirement.

What types of data centre are in London?

When evaluating options in London, buyers compare whether facilities offer retail colocation, wholesale space or hyperscale deployments. Technical questions examine whether site engineering supports their required rack power density and cooling design.

What is the largest data centre in London?

Among operating facilities in the directory with published IT capacity, VIRTUS LONDON5 Stockley Park operated by VIRTUS Data Centres has the largest published figure, at about 24 MW. Facilities without published capacity, planned or non-operating records, and other capacity bases are not ranked.

Which operators run data centres in London?

Operator names recorded in the selected directory for London include Global Switch, Colt DCS, VIRTUS Data Centres, Telehouse. These entries reflect selected facility records rather than a complete local operating census, with the profiles directory providing separate context.

How do I find, lease or buy data centre capacity in London?

To evaluate data centre capacity or land opportunities in London, provide your target IT load, site power, schedule and technical constraints. Requirements guide location discussions using market research across facilities, planning, grid and connectivity in London. Where candidate sites or facilities align with your brief, Data Centre Axis facilitates direct introductions to the relevant operator or site owner.

Source or assess a site in London.

Discuss your data centre requirement with Data Centre Axis for market signals, candidate-site data and sourcing advisory.

Verified 18 October 2026. London market figures are indicative estimates compiled from public sources; scope and source notes are in the methodology.