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Iron Mountain London (LON-1/LON-2) data center, Slough, UK
724-729 Dundee Road, Slough SL1 4JU, UK
Iron Mountain Data Centers·Operating·36 MW
Iron Mountain runs two data centers in Slough, LON-1 and LON-2, with a combined 36 megawatts of power across more than 35,000 square meters. LON-1, at 724-729 Dundee Road, was originally built for one of the world's largest banking institutions before Iron Mountain took it over. LON-2 is a newer, greenfield building nearby at 110 Buckingham Avenue.
LON-1 alone holds 8.75 megawatts of that total; the site sits west of the M25 in Slough's data center corridor with an on-site link to the LINX internet exchange. A third building, LON-3, at 111 Buckingham Avenue, is being held for future development and is not yet built.
The facts on file
- Company
- Iron Mountain Data Centers
- Address
- 724-729 Dundee Road, Slough SL1 4JU, UK
- Region
- UK
- Country
- United Kingdom
- Status
- Operating
- Power
- 36 MW
- Site location
- Exact parcel not confirmed, so the pin is approximate.
- Record checked
- Sep 29, 2026
Sources
Everything above comes from these. Open one and check it yourself.
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- CyrusOne London LON1listed on the England pageunder 1 km
- China Mobile International London (Slough)under 1 km
- CyrusOne London LON4-LON5listed on the England page1 km
- CyrusOne Iver Heath (LON6)listed on the England page8 km
- Greystoke · Iver, Buckinghamshire9 km
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