Data centres / UK and Ireland / United Kingdom

COLT Hayes data centre

Hayes, London, United Kingdom.

Stage not knownUnited Kingdom

Location

Hayes, UB4 0SL, United Kingdom

Exact building coordinates are not recorded here.

Location is limited to the place and postcode in the regulator notice. An exact building point or street number has not been established.

Location source. Source dated 11 August 2025. Location evidence checked 10 November 2026.

Read the original Environment Agency notice
Source page date not stated. Use the named operator and installation to investigate this site. This notice is not a commercial booking route or a current operation check.

What we checked

The Environment Agency notice identifies the installation as COLT- Hayes and names Colt Data Centre Services UK Limited as the operator. (source)

Identified through an environmental-permit publication. A permit for a named installation does not establish its current physical operating stage, completed fit-out or compute available to buy.

Operate this site or have better evidence? .

Operator: Colt Data Centre Services UK Limited
Owner: Not stated
Stage: Stage not known

Linked Environment Agency / GOV.UK source articles: Open Government Licence v3.0, except third-party material. Contains public sector information licensed under the Open Government Licence v3.0. Identity and location summaries use the regulator-authored GOV.UK notice only; no conditional-licence public-register data, applicant material, images or numerical specifications are imported. No endorsement or current permit-compliance, operating-stage or availability conclusion.

Printable community case file

COLT Hayes data centre

Record checked 10 November 2026. Prepared from the public ComputeFinder record; follow each cited source before relying on it.

Use this record as a shared case file

This step helps residents, councils and builders move from a project record to the next checkable question. It does not establish local support, opposition, permission beyond the cited decision, or a delivered benefit.

Use this record as a shared case file
Question	What this record currently shows	Useful next step
What stage is evidenced?	Stage not known, date not recorded	Inspect the stage source and limits
Where is the formal decision evidence?	Not recorded here.	First identify whether an application exists and which authority or process applies; then inspect its file, reference, status, consultation window, decision and conditions
How can the public participate?	Not recorded here.	Record the official route, deadline, decision-maker and how responses are considered
Which promises became outcomes?	Review 1 checked statement and mark each as proposal, commitment, permission, construction, operation or delivered outcome.	Keep proposed, committed and delivered states separate, with dates and responsible parties

Evidence carried into this printout

Recorded stage. Stage not known, with no stage source recorded.
Checked statement. The Environment Agency notice identifies the installation as COLT- Hayes and names Colt Data Centre Services UK Limited as the operator. source

Named next steps

Next decision and owner:

Participation route and deadline:

Evidence still required:

Review date:

Open the community questions guide

Permanent case-file link

This is a route into the existing public evidence, not a verified local case study or a substitute for the formal planning file.

What we do not know yet

These facility fields are not recorded here. This does not show that the facility lacks them or that no source exists. A gap means unknown, never zero.

1 of 13 facility fields recorded

1 separately recorded source statement. These are not included in the facility-field count.

1 of 13 facility fields recorded against the existing target. Separately recorded source statements are not counted in this field measure. Still missing:

Owner
Stage
Capacity (MW)
Power source
Grid connection
Cooling
PUE
Water use
Chips
Connectivity
Certifications
Planning reference

Checked on 10 November 2026. Reported and planned figures are shown as such. Not yet reviewed line by line by a second person. If something is wrong or you know more, tell us.

Cite this page

ComputeFinder. (2026, November 10). COLT Hayes data centre: capacity, planning and power. ComputeFinder. Retrieved November 14, 2026, from https://computefinder.net/data-centres/colt-hayes-ub4-london

BibTeX

@misc{computefinder_data_centres_colt_hayes_ub4_london,
  title        = {COLT Hayes data centre: capacity, planning and power},
  author       = {{ComputeFinder}},
  year         = {2026},
  howpublished = {\url{https://computefinder.net/entity/cf-dc-0115}},
  number       = {cf-dc-0115},
  note         = {Page last checked 10 November 2026. Retrieved 14 November 2026.}
}

Stable ID: cf-dc-0115. Permanent link: https://computefinder.net/entity/cf-dc-0115. It keeps working if this page moves.

Page link: https://computefinder.net/data-centres/colt-hayes-ub4-london. Page last checked 10 November 2026. Retrieved 14 November 2026. Cite the provider or the primary source for any fact you rely on.

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Other sites in United Kingdom

All detailed records in United Kingdom / Same recorded stage in United Kingdom

How we label evidence

Official source the body that made the rule or the data says so
Two sources agree independent sources match
One source, not confirmed a single report or claim
Watching a signal, not shown as a fact