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LON-1 data center
Former banking data center in Slough's premier corridor built for enterprise-grade colocation with LINX connectivity
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Iron Mountain London LON-1 data center
Located in the densely interconnected Slough data center corridor just west of the M25, LON-1 delivers enterprise-grade colocation with the reliability and security standards originally built for Fortune 1000 banking operations. This former banking data center facility has been extensively upgraded to offer 10,400 square meters (112,000 square feet) of space across four data halls with 8,75 MW of power capacity and N+1 block redundancy. LON-1 offers carrier-neutral, cloud-neutral connectivity, providing direct access to the LINX internet exchange, 15 on-site carriers, and dark fiber connections to over 100 network service providers, cloud platforms, and IT service providers.
- 14,000square meters (112,000 square feet)
- 8,75 MWtotal power capacity
- 4,5 AcresCampus size
- 15+ CarriersOn-site network providers
Why leading enterprises choose our London data center (LON-1)
LON-1 data center overview
- Size: 10,400 square meters (112,000 square feet) facility with four data halls on secure 4,5-acre campus in Slough data center corridor
- Power: 8,75 MW of total power capacity with N+1 block redundancy
- Infrastructure: Built to Fortune 1000 banking specifications with traditional raised floor construction
- Deployment Options: Colocation cabinets, dedicated cages and private suites for enterprise configurations
- Campus: Secure 4,5-acre site in Berkshire with diverse fiber entry points
- Cooling: N+1 block redundant cooling systems for continuous operations
- Utility: Slough Heat and Power
- Former Credit Suisse facility extensively upgraded and extended for enterprise requirements
- Diverse power feeds
- Potential for high-density configurations up to 15 kW (upon review)
- Matched by 100% renewable energy
- Security: Three-factor access (badge + PIN + biometrics) to data center floors with 24/7/365 on-site monitoring
- Smart Hands: Remote support services by skilled local professionals
- Migration: Professional equipment deployment and installation coordination services
- NOC Support: Customer portal access for service requests and account management
- Facilities: Shared work areas, complimentary conference rooms, guest Wi-Fi, and refreshment facilities
- Logistics: Secure equipment staging, delivery coordination, and temporary storage services
- Building Access: Two-factor facility access (badge + PIN) with 24/7/365 availability
- Loading: Industrial loading docks with lift gates accommodating box trucks to articulated lorries
- Service area: London, England; United Kingdom; EMEA region and beyond
- Distance: 30 km from central London
- Carrier Hotel: Coriander Ave, Poplar, London E14 2AA, UK & 2 Buckingham Ave, Slough SL1 4NB, UK
- Latency: Less than 1ms latency to LD4 carrier hotel
- Airport: <15 minutes from Heathrow Airport
- Location: Slough, Berkshire in the heart of the Slough data center corridor
- Strategic position west of M25 motorway with excellent transport connectivity
- Access via M4 and M25 motorways for rapid connectivity
- One of Europe's most densely interconnected data center corridors
- Proximity to London's major business and financial districts
- Adjacent to major European fiber routes and network infrastructure
- Access to skilled technical workforce across the Greater London region
- Address: 724-729 Dundee Road, Slough, SL1 4JU, UK
Network Infrastructure:
- LINX On-Site: Direct connectivity to London Internet Exchange (LINX)
- Carrier-Neutral Facility: 15+ carriers, including BT Group, Cogent, Colt, euNetworks, GTT Communications, Hurricane Electric, Arelion, and Zayo
- Diverse Entry Points: Multiple fiber entry points with diverse routing paths for maximum redundancy
- Fiber Infrastructure: Multiple fiber providers, including C&W Communications, Verizon, Virgin Media, Vodafone, and Zayo
- Network-Rich Environment: Dark fiber access to 100+ network service providers, cloud platforms, and IT service providers
Network Services:
- Cloud On-Ramps: Less than 1ms latency to LD4 carrier hotel connecting to major cloud providers (AWS, Microsoft Azure, Google Cloud)
- Cross Connects: Secure campus-wide connections to ecosystem of carriers, partners, and customers in Meet-Me-Rooms
- Direct Internet Access (DIA) & IP Transit: Redundant paths to multiple upstream providers, including Arelion, Lumen & Zayo, with burstable service supporting BGP and TCP/IP v4 or v6
- Metro Waves: Dedicated, diverse optical 10Gb and 100Gb waves to regional interconnection points
- Virtual Cross Connects/Private Network Transport: Point-to-point L2 connectivity between Iron Mountain data centers (Campus | Metro | National | International)
- Peering: Optimize network traffic and reduce costs through direct LINX exchange connections
Comprehensive certifications meeting the most stringent regulatory and industry standards
Global Standards (ISO Certifications):
- ISO 27001 (Information Security Management)
- ISO 50001 (Energy Management Systems)
- ISO 14001 (Environmental Management)
- ISO 45001 (Occupational Health & Safety)
- ISO 22301 (Business Continuity)
Industry Standards:
- SOC 2 Type II certification for service organization controls
- SOC 3 certification for trust services criteria
- PCI-DSS certification for payment card industry data security
- HITRUST certification
Ready to experience the LON-1 advantage?
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Frequently asked questions
What makes LON-1 unique among London area data centers?
LON-1 was originally built to Fortune 1000 banking standards for Credit Suisse, providing infrastructure reliability and security that exceeds typical colocation facilities. The facility combines this banking-grade foundation with extensive upgrades, carrier-neutral connectivity to 15+ on-site providers, direct LINX exchange access, and a strategic location in the heart of the Slough data center corridor—one of Europe's most densely interconnected network hubs. This heritage makes LON-1 an ideal location for financial services organizations that require the highest levels of physical security, operational resilience, and regulatory compliance for their mission-critical infrastructure.
What other data center facilities does Iron Mountain operate in the UK and Europe?
Iron Mountain operates two additional london facilities (LON-2 and LON-3), along with data centers in Amsterdam, Frankfurt, and Madrid. This European footprint enables customers to deploy distributed architectures with consistent service levels, private network connectivity between facilities, and access to our full portfolio of colocation, connectivity, and cloud services. Visit our UK data centres page to explore all locations.
How much power and space is available at LON-1?
LON-1 is a 10,400 square meter (approximately 112,000 square feet) facility with four data halls and 8,75 MW of total power capacity. The facility provides flexible deployment options from individual colocation cabinets to dedicated cages on traditional raised floor infrastructure. Power delivery features N+1 block redundancy to ensure continuous operations.
What security and compliance measures are in place at LON-1?
LON-1 implements multi-layered physical security, including two-factor access (badge + PIN) to enter the facility and three-factor authentication (badge + PIN + biometrics) to access data halls through security vestibules. The facility maintains comprehensive compliance certifications, including SOC 2 Type II, SOC 3, PCI-DSS, HITRUST, and multiple ISO standards (27001, 22301, 50001, 14001, 45001). All security and compliance controls are regularly audited to ensure they meet the rigorous standards required by financial services, healthcare, and other regulated industries.
How does LON-1 support sustainability and environmental goals?
Iron Mountain Data Centers is committed to environmental responsibility and helping customers achieve their sustainability objectives. LON-1 holds ISO 14001 (Environmental Management) and ISO 50001 (Energy Management) certifications. Customers can access our Green Power Pass program to report renewable energy usage and carbon reductions based on Iron Mountain's renewable energy contracts. As a top 10 EPA Green Power Partner in tech/telecom and signatory to the Renewable Energy Buyers Principles, we're invested in sustainable operations across our global portfolio.
What connectivity options are available at your London data centre (LON-1)?
LON-1 offers extensive carrier-neutral connectivity, including 15 on-site carriers, direct connectivity to the LINX internet exchange, and dark fiber access to over 100 additional network service providers, cloud platforms, and IT service providers. The facility supports IP transit with redundant upstream providers, 10Gb and 100Gb metro wave services, campus cross-connects, and private network transport to other Iron Mountain data centers. With less than 1ms latency to the LD4 carrier hotel, LON-1 provides optimal access to cloud on-ramps from major providers including AWS, Azure, and Google Cloud.