Cartis diligence evidence schedule
Colt London 4 Data Centre
PRJ-0985 · Site · Hayes, England, United Kingdom
Record last updated Oct 28, 2026
Scope and capacity
Colt London 4 Data Centre is a separately identified Hayes building with 31 MW of future IT design. Shared campus power, permits and later buildings are not rolled into this facility headline. Tenant utilization, contract pricing and undisclosed project financing remain outside the verified public record.
Headline: 31 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 (17)
Location context · Colt London 4 | Hayes | England | GB
Actual · Colt London 4 Data Centre (Project)
Claim 66537 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- Colt London 4 Data Centre official profile
Colt Data Centre Services · Document date: Aug 28, 2026 · Primary
Source reference: SRC-3778 · Fact sheet · Recorded authority: Official primary
Source URL
https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4
https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4
Lifecycle status · Construction
Actual · Colt London 4 Data Centre (Project)
Claim 66538 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- Colt London 4 Data Centre official profile
Colt Data Centre Services · Document date: Aug 28, 2026 · Primary
Source reference: SRC-3778 · Fact sheet · Recorded authority: Official primary
Source URL
https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4
https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4
Reported capacity · 31 MW
Design · Colt London 4 Data Centre (Project)
Claim 66539 · Recorded claim type: Design · Review: Approved · Claim date: Not stated
Headline treatment: Selected headline
- Colt London 4 Data Centre official profile
Colt Data Centre Services · Document date: Aug 28, 2026 · Primary
Source reference: SRC-3778 · Fact sheet · Recorded authority: Official primary
Source URL
https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4
https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4
Capacity basis · Colt Data Centre Services publishes 31 MW of IT power for this project boundary.
Actual · Colt London 4 Data Centre (Project)
Claim 66540 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- Colt London 4 Data Centre official profile
Colt Data Centre Services · Document date: Aug 28, 2026 · Primary
Source reference: SRC-3778 · Fact sheet · Recorded authority: Official primary
Source URL
https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4
https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4
Location context · Colt London 4 | Hayes | England | GB
Actual · Colt London 4 Data Centre (Project)
Claim 84623 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- Colt London 4 Data Centre official profile
Colt Data Centre Services · Document date: Aug 28, 2026 · Primary
Source reference: SRC-3778 · Fact sheet · Recorded authority: Official primary
Source URL
https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4
https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4
Lifecycle status · Construction
Actual · Colt London 4 Data Centre (Project)
Claim 84624 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- Colt London 4 Data Centre official profile
Colt Data Centre Services · Document date: Aug 28, 2026 · Primary
Source reference: SRC-3778 · Fact sheet · Recorded authority: Official primary
Source URL
https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4
https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4
Reported capacity · 31 MW
Planned / design or future potential · Colt London 4 Data Centre (Project)
Claim 84625 · Recorded claim type: Design · Review: Approved · Claim date: Not stated
Headline treatment: Separate claim, not added to the headline
- Colt London 4 Data Centre official profile
Colt Data Centre Services · Document date: Aug 28, 2026 · Primary
Source reference: SRC-3778 · Fact sheet · Recorded authority: Official primary
Source URL
https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4
https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4
Capacity basis · 31 MW is the published future facility or full build IT boundary; it is not operating load.
Actual · Colt London 4 Data Centre (Project)
Claim 84626 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- Colt London 4 Data Centre official profile
Colt Data Centre Services · Document date: Aug 28, 2026 · Primary
Source reference: SRC-3778 · Fact sheet · Recorded authority: Official primary
Source URL
https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4
https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4
Operator confirmed · Colt Data Centre Services
Actual · Colt London 4 Data Centre (Project)
Claim 84627 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- Colt London 4 Data Centre official profile
Colt Data Centre Services · Document date: Aug 28, 2026 · Primary
Source reference: SRC-3778 · Fact sheet · Recorded authority: Official primary
Source URL
https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4
https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4
Project location · Hayes, England, GB
Actual · Colt London 4 Data Centre (Project)
Claim 84628 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- Colt London 4 Data Centre official profile
Colt Data Centre Services · Document date: Aug 28, 2026 · Primary
Source reference: SRC-3778 · Fact sheet · Recorded authority: Official primary
Source URL
https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4
https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4
Current lifecycle · Under development
Actual · Colt London 4 Data Centre (Project)
Claim 84629 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- Colt London 4 Data Centre official profile
Colt Data Centre Services · Document date: Aug 28, 2026 · Primary
Source reference: SRC-3778 · Fact sheet · Recorded authority: Official primary
Source URL
https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4
https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4
Capacity classification · Future potential
Actual · Colt London 4 Data Centre (Project)
Claim 84630 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- Colt London 4 Data Centre official profile
Colt Data Centre Services · Document date: Aug 28, 2026 · Primary
Source reference: SRC-3778 · Fact sheet · Recorded authority: Official primary
Source URL
https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4
https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4
Capacity basis · 31 MW is the published future facility or full build IT boundary; it is not operating load.
Actual · Colt London 4 Data Centre (Project)
Claim 84631 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- Colt London 4 Data Centre official profile
Colt Data Centre Services · Document date: Aug 28, 2026 · Primary
Source reference: SRC-3778 · Fact sheet · Recorded authority: Official primary
Source URL
https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4
https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4
Customer utilization · Not publicly disclosed
Actual · Colt London 4 Data Centre (Project)
Claim 84632 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- Colt London 4 Data Centre official profile
Colt Data Centre Services · Document date: Aug 28, 2026 · Primary
Source reference: SRC-3778 · Fact sheet · Recorded authority: Official primary
Source URL
https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4
https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4
Identity boundary · This facility or named campus is tracked separately from adjacent buildings and broader operator portfolios
Actual · Colt London 4 Data Centre (Project)
Claim 84633 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- Colt DCS plans three additional Hayes data centers
Data Center Dynamics · Document date: Jun 5, 2025 · Primary
Source reference: SRC-4753 · News report · Recorded authority: Secondary
Source URL
https://www.datacenterdynamics.com/en/news/colt-dcs-plans-three-new-data-centers-in-hayes-uk/
https://www.datacenterdynamics.com/en/news/colt-dcs-plans-three-new-data-centers-in-hayes-uk/
Source refresh date · 2026-08-29
Actual · Colt London 4 Data Centre (Project)
Claim 84634 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- Colt London 4 Data Centre official profile
Colt Data Centre Services · Document date: Aug 28, 2026 · Primary
Source reference: SRC-3778 · Fact sheet · Recorded authority: Official primary
Source URL
https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4
https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4
Shared hayes campus · London Hayes
Actual · Colt London 4 Data Centre (Project)
Claim 84636 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- Colt DCS plans three additional Hayes data centers
Data Center Dynamics · Document date: Jun 5, 2025 · Primary
Source reference: SRC-4753 · News report · Recorded authority: Secondary
Source URL
https://www.datacenterdynamics.com/en/news/colt-dcs-plans-three-new-data-centers-in-hayes-uk/
https://www.datacenterdynamics.com/en/news/colt-dcs-plans-three-new-data-centers-in-hayes-uk/
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.