Why London?
Along with being the third largest city in Europe, London is the 2nd largest data center market in the world with over 1 GW of capacity in market. Most of this capacity is located in the Slough corridor, in close proximity to major internet exchanges, including LINX, as well as other network providers.
ExpanSION, ComplianCE and InterconnectION
Our data center portfolio in London spans LON-1, LON-2 and LON-3 for a grand total of 40.000 m2 (430.000+ ft2) of space and 60+ MW of power campus wide with access to over 100 NSPs, clouds and IT service providers as well as the London Internet Exchange (LINX).
LON-1 currently has capacity available while LON-3 is expected to bring 27 MW online later in 2026, all with the same industry leading data center compliance offered across all global Iron Mountain data center locations.
A data center partner you can trust
At Iron Mountain Data Centers, we offer custom data center solutions to fit your needs. Colocate with us in London and unlock new possibilities for your business in one of Europe’s most dynamic and fast-growing markets.
Learn more about our London data center campus below or use the form to contact us today for more information.
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Iron Mountain Data Centers in LONDON
LON-1 Data Center:
• 8.7 MW of total power, with 600+ kW currently available and 3 MW coming online soon
• 10.400 m2 (111.944 ft2) former banking data center built to meet exacting standards
• Ideal for enterprise & cloud requirements with 100% matched renewable power
• Currently undergoing major refresh which will lower PUE and future proof efficiency
• Direct access to London Internet Exchange (LINX)
• Dual fiber links to 100+ networks & clouds
• The industry's most comprehensive security & compliance portfolio, including ISO 45001
LON-3 Data Center:
• 25 MW of total power upon completion, contact us for early contracting
• 5.220 m2 (55.972 ft2) data center scheduled for completion in 2026
• Ideal for AI, cloud & hyperscale requirements with 100% matched renewable power
• Direct access to London Internet Exchange (LINX)
• Dual fiber links to 100+ networks & clouds
• 100% matched renewable power
• The industry's most comprehensive security & compliance portfolio
Get to know the London market
What Iron Mountain's London Data Center Can Do For You
30+ years of data center & colocation experience
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Global Portfolio
With facilities in Asia Pacific, EMEA and North America, we are one of the fastest-growing colocation providers in a fast-growing sector, extending our campuses and expanding into new markets to support our customers’ ambitions.
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Sustainability
We are firm in our commitment to renewable energy and sustainable data centers. Since 2017 Iron Mountain Data Centers (IMDC) has provided data centers matched by 100% renewable energy.
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Network Connectivity
Iron Mountain provides carrier-neutral networking and data center interconnect solutions to help you reach your destination efficiently. Our services include cross connects, virtual cross connects, direct internet access, metro waves, peering, internet exchanges, and Cloud On-Ramp.
Ecosystem
We’re cloud-agnostic and carrier-neutral because we want to give you the power to choose how to build your digital world. Our data center ecosystem houses the carriers, clouds, exchanges, service providers and partners you need to succeed.
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Security
We have built highly secure data centers with our customers in mind. Our standardized processes and culture of continuous improvement ensure maximum security and year-on-year enhancements endorsed by internationally recognized third-party certifications.
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Compliance
Iron Mountain has the most comprehensive compliance program in the colocation industry. We have a coordinated approach to global compliance, and all customers receive set levels of compliance across our portfolio, with additional region-specific certifications as needed.
All Data Center Locations
