Environment Agency issues permit for Iron Mountain LON3 Data Center

          UK Government
          
            · January 15, 2026
          
          · ✓ verified

The Environment Agency has issued an environmental permit to Iron Mountain (UK) Data Center Limited for the LON3 Data Center in Slough.

Permit issued: Environmental permit EPR/TP3120LE/A001 granted to Iron Mountain (UK) Data Center Limited for LON3 Data Center; decision and permit documents published on 15 January 2026 (Permit PDF: 463 KB, 21 pages; Decision document PDF: 213 KB, 17 pages).
Regulatory context and access: Applies to England under the Industrial Emissions Directive (IED); documents available on GOV.UK and accessibility requests can be made via enquiries@environment-agency.gov.uk.