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CyrusOne LON6 Iver Heath

Dromenagh Farm / Sevenhills Road, Iver Heath, BKM, United KingdomEntitled / Permitted
Capacity
90 MW
Planned / design
Lead participant
CyrusOne
Operator
Last updated
Aug 22, 2026
Most recent public record update

About CyrusOne LON6 Iver Heath

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.

Capacity

Planned / design
Operating capacity—An operating IT-capacity figure has not been publicly disclosed.
Design90 MWForecast · CyrusOne LON6 Iver Heath

Development

2 phases · 4 milestones
Permitted LON6 full campusAnnounced Or Preconstruction

Six physical structures containing ten 9 MW data halls; no construction start established.

6 buildings

Initial power and first-capacity deliveryPlanned

Delivery sub-phase is not quantified in MW.

Jun 12, 2025
LON6 permission reported
Completed
Sep 30, 2026
LON6 groundbreaking target
Forecast
Jun 30, 2027
LON6 initial power target
Forecast
Mar 31, 2028
LON6 first-capacity target
Forecast

Infrastructure

Electric GridPlanned Or Represented

160 MVA

grid supply — 160 MVA; design.

Renewable Energy SupplyPlanned Or Represented

64 percent regulated office energy

rooftop solar — 64 percent_regulated_office_energy; design target.

Heat ReusePlanned Or Represented

heat export; design capability.

Cooling SystemPlanned Or Represented

air cooled free cooling; design.

Project map

0 of 1 project point mapped
Infrastructure facts
4
Mapped records
1
Capacity figures
2

No map point available

Power & interconnection: 2Cooling & water: 2

Facts & sources

Published claims and their source links.

14 facts
Project Status
Full planning permission; preconstruction
Permitted
Montagu EvansCyrusOne gets approval for £1.2 billion data centre in BuckinghamshireHenley Standard60,000sqm data centre approved for Iver Heath
Target It Capacity
90 MW
Forecast
CyrusOneCyrusOne Plans Pioneering New London Facility with Sustainability At Its CoreData Center DynamicsCyrusOne announces plans for 90MW data center campus in Buckinghamshire, UKCyrusOneData Center — London, UK: LON6
Technical It Space
30,000 sqm
Forecast
CyrusOneCyrusOne Plans Pioneering New London Facility with Sustainability At Its CoreCyrusOneData Center — London, UK: LON6
Data Hall Count
10 count
Design
CyrusOneData Center — London, UK: LON6
Physical Data Center Structures
6 count
Design
Henley Standard60,000sqm data centre approved for Iver HeathCyrusOneCyrusOne Plans Pioneering New London Facility with Sustainability At Its CoreData Center DynamicsCyrusOne announces plans for 90MW data center campus in Buckinghamshire, UK
Utility Supply Design
160 MVA
Design
CyrusOneData Center — London, UK: LON6
Grid Feed Voltage
132 kV
Actual
CyrusOneData Center — London, UK: LON6
Planning Permission
Full planning permission in place; conditions/phasing details remain
Permitted
Montagu EvansCyrusOne gets approval for £1.2 billion data centre in BuckinghamshireHenley Standard60,000sqm data centre approved for Iver Heath
Planned Investment
£>1200000000
Transaction Scope
Montagu EvansCyrusOne gets approval for £1.2 billion data centre in BuckinghamshireCyrusOneCyrusOne Plans Pioneering New London Facility with Sustainability At Its Core
Biodiversity Net Gain
71 percent
Forecast
CyrusOneCyrusOne Plans Pioneering New London Facility with Sustainability At Its CoreCyrusOneData Center — London, UK: LON6
Planned Tree Planting
670 count
Forecast
CyrusOneCyrusOne Plans Pioneering New London Facility with Sustainability At Its CoreCyrusOneData Center — London, UK: LON6
Public Access Green Space
18 acres
Forecast
CyrusOneData Center — London, UK: LON6
Initial Power Target
2027-06
Forecast
CyrusOneCyrusOne Plans Pioneering New London Facility with Sustainability At Its CoreData Center DynamicsCyrusOne announces plans for 90MW data center campus in Buckinghamshire, UK
First Capacity Target
2028-Q1
Forecast
Montagu EvansCyrusOne gets approval for £1.2 billion data centre in BuckinghamshireCyrusOneCyrusOne Plans Pioneering New London Facility with Sustainability At Its Core