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.

Data Center Projects Locations on Map



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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)
Digital Realty London Docklands: 30MW Financial Interconnection Hub 1 Muirfield Crescent (Cloud House) & 227 Marsh Wall (Sovereign House), London E14, UK Operational Operational 30.0 MW total critical IT load across campus facilities
Digital Realty London LHR20 Data Center (Sovereign House) 227 Marsh Wall, London E14 9SD, United Kingdom Operational Operational 4.8 MW – 8.0 MW critical IT load
Ada Infrastructure London Docklands: 210MW AI Data Campus St. Vincent Ferrer Lane, Silvertown, London E16 2AP, United Kingdom Active multi-phase development (Phase 1 delivery 2027) Under Construction (Broke ground March 2026) 210.0 MW total critical IT load (3 x 70 MW buildings)
Pure DC Brent Cross LON01 Expansion (LON01B2) Harp View, 12 Priestley Way, Brent Cross, London NW2 7AL, United Kingdom Q2 2029 (LON01B2 completion / 90 MW campus target) Under Construction (Active live campus expansion; West Cold Shell phase awarded) 90.0 MW campus total IT load (70 MW added via LON01B2)
Equinix LD11x Expansion: London Slough Hyperscale xScale Hub 765/767 Henley Road, Slough Trading Estate, Slough, SL1 4JW, United Kingdom Q4 2023 – 2025 (Full 19 MW Capacity Expansion) Operational / Fully Energized Phase Expansion ~24+ MW Utility Capacity / 19 MW Critical IT Load
Digital Realty LON2 London: City Campus Financial Interconnection Hub 11 Hanbury Street (Block C), London E1 6QR, United Kingdom Operational Operational / Active Multi-Tenant & High-Density Density Upgrades 16 MW Utility / Substation Power Allocation
Iron Mountain LON-2 London Slough: 27MW Hyperscale Data Center 110 Buckingham Avenue, Slough Trading Estate, Slough SL1 4PF, United Kingdom Operational Operational / Fully Commissioned Wholesale Facility 27 MW Critical IT Power Capacity / 32+ MW Utility Substation Feed
Colt DCS London Hayes Campus Expansion: 160MW Hyperscale & AI Hub Hayes Digital Park, London Borough of Hillingdon, West London, United Kingdom 2029–2032+ (Phased delivery across London 6, 7, and 8) Approved / Pre-Construction Phase (Construction Start: 2026) 97 MW Expansion Capacity / 160 MW Total Campus Capacity
Colt DCS Leeds Data Centre Campus: High-Density UK Digital Hub Leeds Metropolitan Area, West Yorkshire, United Kingdom Targeted 2027–2028 Active Development / Planned Regional Expansion ~20 MW – 40 MW Grid Supply Capacity
Colt LHR2 London West Data Center Campus: 9.4MW Park Royal Hub 13 Volt Avenue, Park Royal, London NW10 6PW, United Kingdom Operational Operational 15.0 MVA Total Utility Supply Provision
Yondr Group LON2 Slough Data Center: 30MW Hyperscale & AI Hub Slough Trading Estate Area, Slough, Berkshire, SL1 4DX, United Kingdom Active Multi-Phase Development Under Development / Active Phased Construction 30 MW Secured Utility Power Allocation
Kao Data Manchester Campus (KMAN-01): 40MW AI & Hyperscale Hub Kenwood Point, Kenwood Road, Reddish, Stockport, SK5 6PH, United Kingdom Active Development Campus Active Development / Under Construction 40 MW Secured Critical IT Utility Allocation
Pulsant Manchester NW-1 Data Center: Regional Edge Colocation Hub UK 1-2 Ball Green, Cobra Court, Trafford Park, Stretford, Manchester M32 0QT, United Kingdom Fully Operational Active Facility Fully Operational Regional Edge Data Center ~1.6 MW Total Facility Primary Power Connection
Vantage CWL21 Cardiff Data Center: 28MW Sustainable Hyperscale Hub UK Imperial Park, Celtic Way, Marshfield, Newport / Cardiff CF3 0XW, United Kingdom Active Greenfield Campus Development Active Development / Phased Delivery ~35.0 MVA Primary Grid Utility Connection Allocation
Vantage CWL44 Bridgend Data Center: 20MW Hyperscale & AI Campus South Wales UK Bridgend Industrial Estate / Waterton Industrial Estate, Bridgend CF31 3WT, South Wales, United Kingdom Active Greenfield Campus Development Active Development / Planned Greenfield Campus ~25.0 MVA Primary Grid Utility Connection Allocation
VIRTUS Cardiff Data Center Campus: Hyperscale & AI Expansion Hub Wales UK Cardiff Metropolitan Corridor, South Wales, United Kingdom Active Regional Campus Pipeline Active Development / Master-Planned Regional Expansion Scalable Primary High-Voltage Utility Substation Supply Allocation
Serverfarm London LON1 Data Center: 11.4MW AI-Ready Colocation Hub Feltham UK Unit 4, Westgate Estate, Staines Road, Feltham TW14 8RS, London, United Kingdom Fully Operational Active Facility Fully Operational Enterprise, Cloud & AI Colocation Hub ~15.0 MVA Total Primary Grid Utility Connection Power Allocation
DataVita dv2 Data Centre Chapelhall: York Road Edge Hub Scotland Specs Unit 1, York Road, Chapelhall Industrial Estate, Chapelhall, Airdrie, ML6 8NW, Scotland, United Kingdom Active Commercial Operations & Corporate HQ Operational ~3.5 MVA Utility Substation Allocation
IFB Altens Data Centre Aberdeen: Scotland Managed Hosting Specs 54 Hareness Road, Altens Industrial Estate, Aberdeen, AB12 3LE, Scotland, United Kingdom Active Commercial Colocation & Managed Cloud Hub Operational ~1 MVA Utility Substation Connection
IFB Union Street Data Centre Aberdeen: Central Scotland Colocation Specs 387 Union Street, Aberdeen, AB11 6BX, Scotland, United Kingdom Active Commercial Colocation & Network Facility Operational ~0.8 MVA Utility Grid Provision
Brightsolid Aberdeen Data Centre: Whitemyres Ave Tier III Specs Whitemyres Avenue / Lang Stracht, Mastrick, Aberdeen, AB16 6HQ, Scotland, United Kingdom Active Commercial Operations & Colocation Hub Operational ~2.5 MVA Utility Grid Allocation / 2.0 MVA Backup Generation
Blackdog Data Center Campus Aberdeen: Multi-Gigawatt AI Hub Scotland Specs A92 & Aberdeen Western Peripheral Route (AWPR / A90 Junction), AB23 8AR Blackdog, Aberdeenshire, Scotland, United Kingdom Multi-Phase Gigawatt Master Campus Rollout Proposed / Planning Permission in Principle (Masterplan Entitlements) 600 MW Initial Substation/Power Allocation (Scalable to Multi-GW)
iomart Glasgow Data Centre DC1: Middlesex Street Colocation Specs 88 Middlesex Street, Kinning Park, Glasgow, G41 1EE, Scotland, United Kingdom Operational Colocation & Managed Services Hub Operational 1.0 MVA Total Grid Provisioning