Why London?
Along with being the third largest city in Europe, London is the 2nd largest data centre 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 centre 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 900 kW of capacity available with 4 MW coming in 2027 and close proximity to LON-2 & LON-3, all with the same industry leading data centre 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 centre 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 centre campus below or use the form to contact us today for more information.
Iron Mountain Data Centers in LONDON
LON-1 Data Centre:
• 8.7 MW of total power, with 900+ kW currently available and 4 MW coming online soon
• 10,400 m2 (120,000 ft2) former banking data centre 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 fibre links to 100+ networks & clouds
• The industry's most comprehensive security & compliance portfolio, including ISO 45001
Get to know the London market
What Iron Mountain's London Data CentRE Can Do For You
30+ years of data centre & colocation experience
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.
Sustainability
We are firm in our commitment to renewable energy and sustainable data centres. Since 2017 Iron Mountain Data Centers (IMDC) has provided data centers matched by 100% renewable energy.
Network Connectivity
Iron Mountain provides carrier-neutral networking and data centre 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.
Security
We have built highly secure data centres with our customers in mind. Our standardised processes and culture of continuous improvement ensure maximum security and year-on-year enhancements endorsed by internationally recognized third-party certifications.
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 CentRE Locations

