Skip to content
CARTIS
← Return to profile

Cartis diligence evidence schedule

Colt London North Data Centre

PRJ-0980 · Site · Welwyn Garden City, England, United Kingdom

Record last updated Oct 28, 2026

Scope and capacity

Colt London North is the operating Welwyn Garden City facility, not a Hayes campus phase. The 35 MW operator boundary is supported by independently documented utility and fibre infrastructure and is not treated as measured utilization. Tenant utilization, contract pricing and undisclosed project financing remain outside the verified public record.

Headline: 35 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.

Claims and exhibit sources

Jump to a claim (18)

Location context · Colt London North | Welwyn Garden City | England | GB

Actual · Colt London North Data Centre (Project)

Claim 66517 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Colt London North Data Centre official profile

    Colt Data Centre Services · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3772 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-north

Lifecycle status · Operating

Actual · Colt London North Data Centre (Project)

Claim 66518 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Colt London North Data Centre official profile

    Colt Data Centre Services · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3772 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-north

Reported capacity · 35 MW

Design · Colt London North Data Centre (Project)

Claim 66519 · Recorded claim type: Design · Review: Approved · Claim date: Not stated

Headline treatment: Selected headline

  1. Colt London North Data Centre official profile

    Colt Data Centre Services · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3772 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-north

Capacity basis · Colt Data Centre Services publishes 35 MW of IT power for this project boundary.

Actual · Colt London North Data Centre (Project)

Claim 66520 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Colt London North Data Centre official profile

    Colt Data Centre Services · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3772 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-north

Location context · Colt London North | Welwyn Garden City | England | GB

Actual · Colt London North Data Centre (Project)

Claim 84554 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Colt London North Data Centre official profile

    Colt Data Centre Services · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3772 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-north

Lifecycle status · Operating

Actual · Colt London North Data Centre (Project)

Claim 84555 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Colt London North Data Centre official profile

    Colt Data Centre Services · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3772 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-north

Reported capacity · 35 MW

Design · Colt London North Data Centre (Project)

Claim 84556 · Recorded claim type: Design · Review: Approved · Claim date: Not stated

Headline treatment: Separate claim, not added to the headline

  1. Colt London North Data Centre official profile

    Colt Data Centre Services · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3772 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-north

Capacity basis · 35 MW is the operator published facility IT-load boundary; it is not measured customer utilization.

Actual · Colt London North Data Centre (Project)

Claim 84557 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Colt London North Data Centre official profile

    Colt Data Centre Services · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3772 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-north

Operator confirmed · Colt Data Centre Services

Actual · Colt London North Data Centre (Project)

Claim 84558 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Colt London North Data Centre official profile

    Colt Data Centre Services · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3772 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-north

Project location · Welwyn Garden City, England, GB

Actual · Colt London North Data Centre (Project)

Claim 84559 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Colt London North Data Centre official profile

    Colt Data Centre Services · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3772 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-north

Current lifecycle · Operating

Actual · Colt London North Data Centre (Project)

Claim 84560 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Colt London North Data Centre official profile

    Colt Data Centre Services · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3772 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-north

Capacity classification · It load

Actual · Colt London North Data Centre (Project)

Claim 84561 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Colt London North Data Centre official profile

    Colt Data Centre Services · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3772 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-north

Capacity basis · 35 MW is the operator published facility IT-load boundary; it is not measured customer utilization.

Actual · Colt London North Data Centre (Project)

Claim 84562 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Colt London North Data Centre official profile

    Colt Data Centre Services · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3772 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-north

Customer utilization · Not publicly disclosed

Actual · Colt London North Data Centre (Project)

Claim 84563 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Colt London North Data Centre official profile

    Colt Data Centre Services · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3772 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-north

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

Actual · Colt London North Data Centre (Project)

Claim 84564 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Colt London Welwyn Garden City facility register

    DataCenterMap · Document date: Aug 29, 2026 · Primary

    Source reference: SRC-4747 · News report · Recorded authority: Secondary

    Source URL

    https://www.datacentermap.com/united-kingdom/london/colt-london3/

Source refresh date · 2026-08-29

Actual · Colt London North Data Centre (Project)

Claim 84565 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Colt London North Data Centre official profile

    Colt Data Centre Services · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3772 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-north

Gross technical area · 21,339 square metres

Actual · Colt London North Data Centre (Project)

Claim 84566 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Colt London North Data Centre official profile

    Colt Data Centre Services · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3772 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-north

Onsite substations · 2 substations

Actual · Colt London North Data Centre (Project)

Claim 84567 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Colt London Welwyn Garden City facility register

    DataCenterMap · Document date: Aug 29, 2026 · Primary

    Source reference: SRC-4747 · News report · Recorded authority: Secondary

    Source URL

    https://www.datacentermap.com/united-kingdom/london/colt-london3/

Counterparties and capital

Colt Data Centre Services · Developer · CMP-1483

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.