The Hemel Hempstead 3 Data Center is one of seven facilities operated across Hemel Hempstead, Slough, and Dagenham, providing secure and highly available environments for IT and network infrastructure.
The facility offers a fully built-out whitespace of over 8,900 m² of server space, supporting a maximum IT load of 20MW. It provides flexible housing solutions including full cabinets, partial cabinets, shared rackspace, and cages.
The data center features a 20MW critical IT load supported by a resilient power infrastructure with dual dedicated 11,000V (HV) grid connections (2N) and on-site 2N redundant HV substations. UPS systems have a minimum N+1 redundancy with battery backup, while standby power is N+1 with backup generators. Cooling is centrally managed through the Building Management System (BMS), with room air conditioning units and regulated humidity.
Security is ensured through 24/7 on-site staff, a fenced perimeter, proximity card access, man traps, and biometric identification. The facility is monitored by internal and external IP CCTV systems. Fire protection includes automatic suppression in all hosting suites and plant areas.
The data center is carrier-neutral and provides access to a diverse range of network providers, from global Tier 1 to regional suppliers. It features a Meet-Me-Room (MMR) and redundant Carrier-Meet-Me-Rooms, enabling seamless interconnection and network peering.
Hemel Hempstead 3 adheres to multiple industry standards and holds certifications including DSS PCI, ISO27001, ISO9001, and ISO14001.
The facility offers Remote Hands and 24/7 on-site technical staff to support operations and maintenance.
Our Colocation Plans
Full Rack
- Rack Space46U Full Locking Cabinet
- Power LimitUp to 240V
- Bandwidth1Gbps Unmetered
- Uplink / Port1Gbps Network Uplink
- ManagementKVMoIP & Server Panel
- Support5hrs Free Remote Hands / mo
Custom Solutions
- Rack SpaceMulti-Rack or Private Cage
- Power LimitCustom (Up to 240V+ Phased)
- BandwidthCustom Uplinks (1Gbps+)
- Uplink / PortDark Fiber & Direct Connects
- ManagementDedicated Account Manager
- Support24/7 Priority Remote Hands
Why Choose London Dc 25
London Dc 25 data center is built to meet the demands of modern enterprises, offering robust infrastructure, premium connectivity, and top-tier security. Whether you're deploying a single server or scaling to multiple racks, each facility is engineered for performance, reliability, and flexibility.
Tier III Certified
Redundant infrastructure with 99.99% uptime guarantee
Premium Connectivity
Multiple carrier options and low-latency connections
Advanced Security
Biometric access, 24/7 monitoring, and CCTV surveillance
Prime Location
Central London location with excellent transport links
Expert Support
Local technical team available 24/7 for remote hands
Scalable Solutions
From single rack to private cage configurations
Technical Specifications
Comprehensive infrastructure details for London Dc 25
Total Critical Power
20 MWIndicates the maximum uninterrupted power capacity the facility can support during operation.
UPS Redundancy
N+1Ensures continuous power supply via redundant UPS systems in case of failure.
Standby Power Redundancy
N+1Supports critical systems with backup power sources during outages or maintenance.
Automatic Firesuppression
Instantly detects and suppresses fires without manual intervention.
Fire Suppression System
Provides a comprehensive system to control or extinguish fires automatically.
Meet-Me-Room (MMR)
Enables cross-connection between carriers and customers within the facility.
Fenced Perimeter
Enhances physical security with a secure perimeter barrier.
CCTV Surveillance
Monitors premises in real-time for safety and compliance.
Biometric Access Control
Secures critical areas with fingerprint or retinal scanning systems.
Card Access Control
Allows controlled entry through RFID or magnetic access cards.
Onsite Security Staff
Ensures 24/7 monitoring by trained security personnel.
Total Whitespace
8,900 Sq.m.Indicates available raised floor space for IT infrastructure.
Onsite Technical Staff
Certified technicians available on-site to assist with technical needs.
Key Performance Metrics
Compliance & Certifications
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