Skip to content
CARTIS
← Return to profile

Cartis diligence evidence schedule

CyrusOne LON6 Iver Heath

PRJ-0038 · Site · Dromenagh Farm / Sevenhills Road, Iver Heath, Buckinghamshire, United Kingdom

Captured 2026-09-06T04:13:12.254Z · Record last updated 2026-08-22

SHA-256: 8f15db63099afbd35445997494e7e1e4d5259c34a7814a7f8409588227d93df9

Save a diligence baseline

Download the public evidence as it appears now. Compare a previously saved snapshot to see added, removed and changed claims, counterparties, financing and milestones. Files are read in this browser and are not uploaded.

The fingerprint detects file changes; it is not a digital signature or a claim of independently verified authenticity. Keep your downloaded copy with the transaction file.

Scope and capacity

CyrusOne's LON6 campus in Iver Heath has planning permission for a 90 MW IT design across six structures and ten data halls. Its planned Q3 2026 groundbreaking was not confirmed by the cutoff.

Headline: 90 MW Planned / design

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

Project Status · Full planning permission; preconstruction

permitted · CyrusOne LON6 Iver Heath (project)

Claim 5269 · Review: Approved · Claim date: 2025-06-17T00:00:00+00:00

  1. CyrusOne gets approval for £1.2 billion data centre in Buckinghamshire

    Montagu Evans · Document date: 2025-06-30 · Corroborating

    https://www.linkedin.com/posts/montagu-evans_go-ahead-for-our-client-leading-global-centre-activity-7346853175326326784-DqOW
  2. 60,000sqm data centre approved for Iver Heath

    Henley Standard · Document date: 2025-06-17 · Primary

    https://www.henleystandard.co.uk/news/planning/201771/60-000sqm-data-centre-approved-for-iver-heath.html

Target It Capacity · 90 MW

Planned / design or future potential · CyrusOne LON6 Iver Heath (project)

Claim 5270 · Review: Approved · Claim date: 2025-06-13T00:00:00+00:00

Headline treatment: Selected headline

  1. CyrusOne Plans Pioneering New London Facility with Sustainability At Its Core

    CyrusOne · Document date: 2025-06-13 · Corroborating

    https://www.cyrusone.com/resources/press-releases/cyrusone-plans-pioneering-new-london-facility-with-sustainability-at-its-core
  2. CyrusOne announces plans for 90MW data center campus in Buckinghamshire, UK

    Data Center Dynamics · Document date: 2025-06-13 · Corroborating

    https://www.datacenterdynamics.com/en/news/cyrusone-announces-plans-for-90mw-data-center-campus-in-buckinghamshire-uk/
  3. Data Center — London, UK: LON6

    CyrusOne · Document date: Not published · Primary

    https://www.cyrusone.com/data-centers/emea/london-uk-lon6

Technical It Space · 30,000 sqm

forecast · CyrusOne LON6 Iver Heath (project)

Claim 5271 · Review: Approved · Claim date: 2025-06-13T00:00:00+00:00

  1. CyrusOne Plans Pioneering New London Facility with Sustainability At Its Core

    CyrusOne · Document date: 2025-06-13 · Corroborating

    https://www.cyrusone.com/resources/press-releases/cyrusone-plans-pioneering-new-london-facility-with-sustainability-at-its-core
  2. Data Center — London, UK: LON6

    CyrusOne · Document date: Not published · Primary

    https://www.cyrusone.com/data-centers/emea/london-uk-lon6

Data Hall Count · 10 count

design · CyrusOne LON6 Iver Heath (project)

Claim 5272 · Review: Approved · Claim date: Not published

  1. Data Center — London, UK: LON6

    CyrusOne · Document date: Not published · Primary

    https://www.cyrusone.com/data-centers/emea/london-uk-lon6

Physical Data Center Structures · 6 count

design · Permitted LON6 full campus (phase)

Claim 5273 · Review: Approved · Claim date: 2025-06-13T00:00:00+00:00

  1. 60,000sqm data centre approved for Iver Heath

    Henley Standard · Document date: 2025-06-17 · Corroborating

    https://www.henleystandard.co.uk/news/planning/201771/60-000sqm-data-centre-approved-for-iver-heath.html
  2. CyrusOne Plans Pioneering New London Facility with Sustainability At Its Core

    CyrusOne · Document date: 2025-06-13 · Primary

    https://www.cyrusone.com/resources/press-releases/cyrusone-plans-pioneering-new-london-facility-with-sustainability-at-its-core
  3. CyrusOne announces plans for 90MW data center campus in Buckinghamshire, UK

    Data Center Dynamics · Document date: 2025-06-13 · Corroborating

    https://www.datacenterdynamics.com/en/news/cyrusone-announces-plans-for-90mw-data-center-campus-in-buckinghamshire-uk/

Utility Supply Design · 160 MVA

design · CyrusOne LON6 Iver Heath (project)

Claim 5274 · Review: Approved · Claim date: Not published

  1. Data Center — London, UK: LON6

    CyrusOne · Document date: Not published · Primary

    https://www.cyrusone.com/data-centers/emea/london-uk-lon6

Grid Feed Voltage · 132 kV

actual · CyrusOne LON6 Iver Heath (project)

Claim 5275 · Review: Approved · Claim date: Not published

  1. Data Center — London, UK: LON6

    CyrusOne · Document date: Not published · Primary

    https://www.cyrusone.com/data-centers/emea/london-uk-lon6

Planning Permission · Full planning permission in place; conditions/phasing details remain

permitted · Permitted LON6 full campus (phase)

Claim 5276 · Review: Approved · Claim date: 2025-06-30T00:00:00+00:00

  1. CyrusOne gets approval for £1.2 billion data centre in Buckinghamshire

    Montagu Evans · Document date: 2025-06-30 · Corroborating

    https://www.linkedin.com/posts/montagu-evans_go-ahead-for-our-client-leading-global-centre-activity-7346853175326326784-DqOW
  2. 60,000sqm data centre approved for Iver Heath

    Henley Standard · Document date: 2025-06-17 · Primary

    https://www.henleystandard.co.uk/news/planning/201771/60-000sqm-data-centre-approved-for-iver-heath.html

Planned Investment · £>1200000000

Planned / design or future potential · CyrusOne LON6 Iver Heath (project)

Claim 5277 · Review: Approved · Claim date: 2025-06-13T00:00:00+00:00

  1. CyrusOne gets approval for £1.2 billion data centre in Buckinghamshire

    Montagu Evans · Document date: 2025-06-30 · Corroborating

    https://www.linkedin.com/posts/montagu-evans_go-ahead-for-our-client-leading-global-centre-activity-7346853175326326784-DqOW
  2. CyrusOne Plans Pioneering New London Facility with Sustainability At Its Core

    CyrusOne · Document date: 2025-06-13 · Primary

    https://www.cyrusone.com/resources/press-releases/cyrusone-plans-pioneering-new-london-facility-with-sustainability-at-its-core

Biodiversity Net Gain · 71 percent

forecast · CyrusOne LON6 Iver Heath (project)

Claim 5278 · Review: Approved · Claim date: 2025-06-13T00:00:00+00:00

  1. CyrusOne Plans Pioneering New London Facility with Sustainability At Its Core

    CyrusOne · Document date: 2025-06-13 · Corroborating

    https://www.cyrusone.com/resources/press-releases/cyrusone-plans-pioneering-new-london-facility-with-sustainability-at-its-core
  2. Data Center — London, UK: LON6

    CyrusOne · Document date: Not published · Primary

    https://www.cyrusone.com/data-centers/emea/london-uk-lon6

Planned Tree Planting · 670 count

Planned / design or future potential · CyrusOne LON6 Iver Heath (project)

Claim 5279 · Review: Approved · Claim date: 2025-06-13T00:00:00+00:00

  1. CyrusOne Plans Pioneering New London Facility with Sustainability At Its Core

    CyrusOne · Document date: 2025-06-13 · Corroborating

    https://www.cyrusone.com/resources/press-releases/cyrusone-plans-pioneering-new-london-facility-with-sustainability-at-its-core
  2. Data Center — London, UK: LON6

    CyrusOne · Document date: Not published · Primary

    https://www.cyrusone.com/data-centers/emea/london-uk-lon6

Public Access Green Space · 18 acres

forecast · CyrusOne LON6 Iver Heath (project)

Claim 5280 · Review: Approved · Claim date: Not published

  1. Data Center — London, UK: LON6

    CyrusOne · Document date: Not published · Primary

    https://www.cyrusone.com/data-centers/emea/london-uk-lon6

Initial Power Target · 2027-06

Planned / design or future potential · Initial power and first-capacity delivery (phase)

Claim 5282 · Review: Approved · Claim date: 2025-06-13T00:00:00+00:00

  1. CyrusOne Plans Pioneering New London Facility with Sustainability At Its Core

    CyrusOne · Document date: 2025-06-13 · Primary

    https://www.cyrusone.com/resources/press-releases/cyrusone-plans-pioneering-new-london-facility-with-sustainability-at-its-core
  2. CyrusOne announces plans for 90MW data center campus in Buckinghamshire, UK

    Data Center Dynamics · Document date: 2025-06-13 · Corroborating

    https://www.datacenterdynamics.com/en/news/cyrusone-announces-plans-for-90mw-data-center-campus-in-buckinghamshire-uk/

First Capacity Target · 2028-Q1

Planned / design or future potential · Initial power and first-capacity delivery (phase)

Claim 5283 · Review: Approved · Claim date: 2025-06-13T00:00:00+00:00

  1. CyrusOne gets approval for £1.2 billion data centre in Buckinghamshire

    Montagu Evans · Document date: 2025-06-30 · Corroborating

    https://www.linkedin.com/posts/montagu-evans_go-ahead-for-our-client-leading-global-centre-activity-7346853175326326784-DqOW
  2. CyrusOne Plans Pioneering New London Facility with Sustainability At Its Core

    CyrusOne · Document date: 2025-06-13 · Primary

    https://www.cyrusone.com/resources/press-releases/cyrusone-plans-pioneering-new-london-facility-with-sustainability-at-its-core

Counterparties and capital

Buckinghamshire Council · Government Authority · CMP-0174

CyrusOne · Operator · CMP-0172

CyrusOne UK6 Limited · Owner · CMP-0173

Montagu Evans · Contractor · CMP-0177

Scottish and Southern Electricity Networks · Operator · CMP-0175

UK Government departments · Government Authority · CMP-0178

Investment Commitment

£1,200,000,000 · 2025-06-13

More-than amount for local/national economic investment; financing structure and draw schedule undisclosed.

CyrusOne (Sponsor)

Financing record 32; claim-specific source links appear in the exhibit sources where published.

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. Downloaded snapshots are retained by you; Cartis does not archive them automatically.