Notice

SL1 4PF, Iron Mountain (UK) Data Centre Limited: environmental permit issued – EPR/TP3120LE/A001

View the permit issued for LON3 Data Centre, Slough under the Industrial Emissions Directive.

• From: Environment Agency
• Published: 15 January 2026

Applies to England

Documents

Permit: Iron Mountain (UK) Data Centre Limited

PDF, 463 KB, 21 pages

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Decision Document: Iron Mountain (UK) Data Centre Limited

PDF, 213 KB, 17 pages

This file may not be suitable for users of assistive technology.

Request an accessible format

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email enquiries@environment-agency.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Details

The Environment Agency publish permits that they issue under the Industrial Emissions Directive (IED).

This decision includes the permit and decision document for:

• Operator name: Iron Mountain (UK) Data Centre Limited

• Installation name: LON3 Data Centre

• Permit number: EPR/TP3120LE/A001

Published 15 January 2026