CryrusOne LON5
Slough, Slough, United Kingdom
Source: OpenStreetMap
CryrusOne LON5 is a mapped data center in Slough, United Kingdom, operated by CyrusOne LLC. DataCentersExposed has documented a 74,590 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 Eric Keller · Updated Aug 23, 2026
Overview
source: linkCyrusOne LON5 is a mapped data center in Slough, United Kingdom, operated by CyrusOne LLC. Available records put its footprint at 74,590 square feet. The site is identified in those records simply as a CyrusOne data center, with no parent company disclosed above the operator.
Operator chain
- Ultimate parentCyrusOne LLC
- Files asCyrusOne LLC
- This facilityCryrusOne LON5
The grid behind this site
source: Ember · EurostatNational grid context, not this facility's own metering. Full country picture: United Kingdom data centers.
In the news
source: Google News (local + English)- Real estate giant Prologis makes bid for UK’s Segro to capitalize on data center pipelineData Center Dynamics· Jun 24, 2026
- Public inquiry opens into 147MW Slough data center schemeData Center Dynamics· Oct 16, 2025
- CyrusOne plans to build £1.2bn Buckinghamshire data centreProperty Week· Jun 16, 2025
- CyrusOne announces plans for 90MW data center campus in Buckinghamshire, UKData Center Dynamics· Jun 13, 2025
- Yondr launches second data center in Slough, UKBeBeez International· Apr 11, 2025
- US companies to invest £6.3bn in UK data centersData Center Dynamics· Oct 14, 2024
Environmental permits
source: Permit register- CYRUSONE UK4 LIMITEDEPR/EP3508PSEPR permit · holder "CYRUSONE UK4 LIMITED" · Slough · Combustion; Any Fuel =>50MW - 1.1 A(1) a) · within ~2 km of the mapped site