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DataCentersExposed
Mapped (unverified)

Virtus London 3

Slough, Slough, United Kingdom

Source: OpenStreetMap

Virtus London 3 is a mapped data center in Slough, United Kingdom, operated by VIRTUS Data Centres and ultimately owned by STT GDC. DataCentersExposed has documented a 26,663 sq ft footprint and 1 environmental-permit record at this site. It runs on United Kingdom's grid, which was 36% fossil-fuelled at 217 gCO₂e/kWh in 2025 (Ember).

Reporting by · Updated Jun 14, 2026

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Real parent
STT GDC
Operator
VIRTUS Data Centres
Est. capacity
~5-15 MW
Footprint
26,663 sq ft
Grid carbon
217 gCO₂/kWh
Clean electricity
64%
Region
Slough
Attribution & capacity confidence:mediumprimary source
Status · click to filter

Most sites are mapped — located but awaiting a second source. How we verify

Dot size = disclosed capacity (MW). Smallest = undisclosed, not small.

Overview

source: link

Virtus London 3 is a mapped data center in Slough, United Kingdom, run by VIRTUS Data Centres and owned through its ultimate parent, STT GDC. Records put its footprint at 26,663 square feet. The site is one of Virtus's data center holdings in the area.

Operator chain

The grid behind this site

source: Ember · Eurostat
Grid carbon intensity
217 gCO₂/kWh
Clean electricity
64%
Fossil electricity
36%

National grid context, not this facility's own metering. Full country picture: United Kingdom data centers.

In the news

source: Google News (local + English)

Environmental permits

source: Permit register
  • VIRTUS HOLDCO LIMITEDEPR/BP3945QX
    EPR permit · holder "VIRTUS HOLDCO LIMITED" · Slough · Combustion; Any Fuel =>50MW - 1.1 A(1) a) · within ~2 km of the mapped site

Methodology & sources

Every row carries a confidence level (high / medium / low) and a source URL. Spot an error? Tell us.