# LON3 Data Centre

LON3 Data Centre is a data centre project in LON3 Data Centre, 111 Buckingham Avenue, Slough, Berkshire, SL1 4PF. The reported operator is IRON MOUNTAIN (UK) DATA CENTRE LIMITED.

Canonical: https://eloragrid.ai/land-grid/data-centres/united-kingdom/lon3-data-centre-ada14596c33f
Status: Operating
Operator: IRON MOUNTAIN (UK) DATA CENTRE LIMITED
Evidence reviewed: 2026-11-10

## About this location

LON3 Data Centre is a data centre project in LON3 Data Centre, 111 Buckingham Avenue, Slough, Berkshire, SL1 4PF. The reported operator is IRON MOUNTAIN (UK) DATA CENTRE LIMITED.

## Status evidence

Current first-party London page describes the existing Slough campus and LON-1/LON-2/LON-3 facilities; retained permit identifies the Slough site. Current page undated; reviewed2026-11-10 separately from historical permit issue date.

## Location evidence

Published EA site grid reference SU9585781041 transformed OSGB36 to WGS84; 350 m screening radius covers point placement uncertainty, not a surveyed boundary. Site address/postcode checked for locality consistency.

## Electrical work and project likelihood

Probability not assessed. Planning stage is not a calibrated probability.

## Sources

- [LON3 Data Centre, 111 Buckingham Avenue, Slough, Berkshire, SL1 4PF](https://environment.data.gov.uk/public-register/industrial-installations/registration/EPR-TP3120LE) — 2026-01-15
- [Iron Mountain London facility roster](https://www.ironmountain.com/data-centers/locations/emea/london) — 

Elora editorial summaries; linked sources and geographic data retain their respective rights. No blanket third-party licence is granted.

Nearby infrastructure does not establish an electrical connection, available capacity or an open tender.