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CyrusOne LON5 Slough Data Center

PRJ-0833 · Site · Slough, England, United Kingdom

Record last updated Oct 28, 2026

Scope and capacity

CyrusOne LON5 Slough Data Center, also known as CyrusOne LON5, is a data center project in Slough, England, GB associated with CyrusOne. Purpose-built two-floor facility; 6,452 square metres of technical space; 18 MW IT capacity. West London facility with 27 MVA active-active supply, closed-loop cooling and layered security.

Headline: 18 MW Planned critical IT

Numbers refer to their stated physical boundaries and are not added together. Source dates, claim dates and record updates have different meanings. Missing dates and locators are not inferred.

Location context · CyrusOne LON5 | Slough | England | GB

Actual · CyrusOne LON5 Slough Data Center (Project)

Claim 61879 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. CyrusOne CyrusOne LON5 profile

    CyrusOne · Document date: Aug 27, 2026 · Primary

    Source reference: SRC-3446 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.cyrusone.com/data-centers/emea/london-uk-lon5

Lifecycle status · Operational

Actual · CyrusOne LON5 Slough Data Center (Project)

Claim 61880 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. CyrusOne CyrusOne LON5 profile

    CyrusOne · Document date: Aug 27, 2026 · Primary

    Source reference: SRC-3446 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.cyrusone.com/data-centers/emea/london-uk-lon5

Reported capacity · 18 MW

Design · CyrusOne LON5 Slough Data Center (Project)

Claim 61881 · Recorded claim type: Design · Review: Approved · Claim date: Not stated

Headline treatment: Selected headline

  1. CyrusOne CyrusOne LON5 profile

    CyrusOne · Document date: Aug 27, 2026 · Primary

    Source reference: SRC-3446 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.cyrusone.com/data-centers/emea/london-uk-lon5

Capacity basis · CyrusOne describes LON5 as delivering 18 MW of IT capacity.

Actual · CyrusOne LON5 Slough Data Center (Project)

Claim 61882 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. CyrusOne CyrusOne LON5 profile

    CyrusOne · Document date: Aug 27, 2026 · Primary

    Source reference: SRC-3446 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.cyrusone.com/data-centers/emea/london-uk-lon5

Location context · CyrusOne LON5 | Slough | England | GB

Actual · CyrusOne LON5 Slough Data Center (Project)

Claim 97175 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. CyrusOne CyrusOne LON5 profile

    CyrusOne · Document date: Aug 27, 2026 · Primary

    Source reference: SRC-3446 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.cyrusone.com/data-centers/emea/london-uk-lon5

Lifecycle status · Operating

Actual · CyrusOne LON5 Slough Data Center (Project)

Claim 97176 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. CyrusOne CyrusOne LON5 profile

    CyrusOne · Document date: Aug 27, 2026 · Primary

    Source reference: SRC-3446 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.cyrusone.com/data-centers/emea/london-uk-lon5

Reported capacity · 18 MW

Planned / design or future potential · CyrusOne LON5 Slough Data Center (Project)

Claim 97177 · Recorded claim type: Design · Review: Approved · Claim date: Not stated

Headline treatment: Separate claim, not added to the headline

  1. CyrusOne CyrusOne LON5 profile

    CyrusOne · Document date: Aug 27, 2026 · Primary

    Source reference: SRC-3446 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.cyrusone.com/data-centers/emea/london-uk-lon5

Capacity basis · 18 MW facility or campus design capacity.

Actual · CyrusOne LON5 Slough Data Center (Project)

Claim 97178 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. CyrusOne CyrusOne LON5 profile

    CyrusOne · Document date: Aug 27, 2026 · Primary

    Source reference: SRC-3446 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.cyrusone.com/data-centers/emea/london-uk-lon5

Project boundary · CyrusOne LON5

Actual · CyrusOne LON5 Slough Data Center (Project)

Claim 97180 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. CyrusOne London 4/5 environmental permit EPR/EP3508PS/A001

    UK Environment Agency · Document date: May 17, 2022 · Primary

    Source reference: SRC-5344 · Government record · Recorded authority: Official primary

    Source URL

    https://www.gov.uk/government/publications/sl1-4aa-cyrusone-uk4-limited-environmental-permit-issued-eprep3508psa001

Location context · Slough, England, GB

Actual · CyrusOne LON5 Slough Data Center (Project)

Claim 97181 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. CyrusOne London 4/5 environmental permit EPR/EP3508PS/A001

    UK Environment Agency · Document date: May 17, 2022 · Primary

    Source reference: SRC-5344 · Government record · Recorded authority: Official primary

    Source URL

    https://www.gov.uk/government/publications/sl1-4aa-cyrusone-uk4-limited-environmental-permit-issued-eprep3508psa001

Lifecycle status · Operating

Actual · CyrusOne LON5 Slough Data Center (Project)

Claim 97182 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. CyrusOne London 4/5 environmental permit EPR/EP3508PS/A001

    UK Environment Agency · Document date: May 17, 2022 · Primary

    Source reference: SRC-5344 · Government record · Recorded authority: Official primary

    Source URL

    https://www.gov.uk/government/publications/sl1-4aa-cyrusone-uk4-limited-environmental-permit-issued-eprep3508psa001

Development detail · Purpose built two floor facility; 6,452 square metres of technical space; 18 MW IT capacity.

Actual · CyrusOne LON5 Slough Data Center (Project)

Claim 97183 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. CyrusOne London 4/5 environmental permit EPR/EP3508PS/A001

    UK Environment Agency · Document date: May 17, 2022 · Primary

    Source reference: SRC-5344 · Government record · Recorded authority: Official primary

    Source URL

    https://www.gov.uk/government/publications/sl1-4aa-cyrusone-uk4-limited-environmental-permit-issued-eprep3508psa001

Capacity basis · 18 MW facility or campus design capacity.

Actual · CyrusOne LON5 Slough Data Center (Project)

Claim 97184 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. CyrusOne London 4/5 environmental permit EPR/EP3508PS/A001

    UK Environment Agency · Document date: May 17, 2022 · Primary

    Source reference: SRC-5344 · Government record · Recorded authority: Official primary

    Source URL

    https://www.gov.uk/government/publications/sl1-4aa-cyrusone-uk4-limited-environmental-permit-issued-eprep3508psa001

Counterparties and capital

CyrusOne · Developer · CMP-0172

This schedule captures public Cartis research. It is not a title, lien or legal-opinion report. Document page/section locators and claim review timestamps are included only when published; this version has no separate locator or claim-review-time feed.