United Kingdom

United Kingdom – Data Center Country Overview (Europe)

The United Kingdom is one of Europe’s largest data center markets, driven by strong enterprise demand, cloud adoption, and financial services.

Established hubs and emerging secondary markets continue to attract hyperscale and colocation investments.

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Data Center Projects Locations on Map

11+

No. of
Projects Tracked

1512+

Active Project Value in USD Billion

100+

Upcoming Projects Count

140+

Countries

2000+

No.of
Companies Tracked

5+

Years
from Tracking

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Project Name	Location	Full Builtout	Project Status	Power Capacity	Action
Global Switch London East GS2 \| High-Density Colocation & Infrastructure Expansion	London Docklands (East India Dock), United Kingdom	Expected completion in the late 2020s.	Upgrade/Reconfiguration - Underway	74 MW
Vantage CWL1 Cardiff \| Next-Generation Colocation & Digital Infrastructure Campus	Celtic Way, Newport, South Wales, UK	Estimated completion of all three buildings by 2026-2027	Partially Operational / Expanding	148MW+ (Upgradeable)
Hertfordshire Campus Equinix DC01UK	Hertfordshire, UK	2029	Under Development / Construction Phase	250 MW IT Load
Google Waltham Cross: $1B AI Data Centre Hertfordshire UK	, Waltham Cross, Hertfordshire	2026	Operational (Inaugurated Sept 2025)	Estimated 100 MW Utility Feed
Newport Wales Data Centre \| Microsoft £2.5B AI-Ready Hyperscale Campus (200MW)	Newport, Wales	2028	Under Construction / Fit-out (March 2026)	200 MW
London III West London Data Center \| 56MW Hyperscale AI & Cloud Infrastructure Hub	Digital Park, Crawley, UK	2028	Under Construction / Phased Expansion (April 2026)	56.0 MW
Yondr London Slough Building 3: 40MW Hyperscale Data Center	Slough SL2 5EJ, United Kingdom	May 2026 (Complete 3-Building Campus Operational)	Operational / Ready for Service (Achieved May 7, 2026)	100 MW+ Ultimate Combined Campus Substation Grid Allocation
Vantage Cardiff CWL12	The Celtic Way Glasgow, UK	Estimated 2031	Planned / Site Infrastructure Under Development	120 MW maximum expansion capacity
NTT London LON3: 24MW High-Density Dagenham AI Campus	Yew Tree Ave, Dagenham RM10 7FZ, United Kingdom	Continuous modular data hall expansion scaling sequentially across the campus footprint through 2029	Active / Under Heavy Structural Construction (Tracking June 2026)	24 MW gross utility capacity delivered via fully redundant, dedicated on-site transformer blocks
London Kao Data KL03 40MW AI-Ready Data Center	Park Royal, West London, UK	Q4 2029	Under Development / Planning	40 MW Dedicated Critical Power Allocation
Digital Reef Havering 600MW AI Tech Campus London	499-Acre Fen Lane & North Ockendon Site, Havering Green Belt Corridor, East London	Incremental 12-building campus expansions rolling out sequentially across a 5-to-10-year horizon	Under Construction	200MW Phase 1 configuration (scalable up to 600MW full site allocation)