{"id": "GB:gb:ea:EPR-GP3721SQ", "slug": "colt-london-4-hayes-d4082bc8c6b6", "kind": "data-centres", "name": "Colt London 4, Hayes", "url": "https://eloragrid.ai/land-grid/data-centres/united-kingdom/colt-london-4-hayes-d4082bc8c6b6", "map_url": "https://eloragrid.ai/land-grid?region=GB&record=gb%3Aea%3AEPR-GP3721SQ", "country": "GB", "country_name": "United Kingdom", "region": "", "region_name": "", "locality": "Hillingdon", "address": "Colt - Hayes, Colt - Hayes, BEACONSFIELD ROAD, HAYES, HILLINGDON, UB4 0SL", "operator": "COLT DATA CENTRE SERVICES UK LIMITED", "status": "Construction", "geometry": {"type": "Point", "coordinates": [-0.39424390366257533, 51.50965895777335]}, "location_uncertainty": {"precision": "approximate official installation point", "radius_m": 350}, "summary": "Colt London 4, Hayes is a data centre project in Colt - Hayes, Colt - Hayes, BEACONSFIELD ROAD, HAYES, HILLINGDON, UB4 0SL. The reported operator is COLT DATA CENTRE SERVICES UK LIMITED.", "paragraphs": [{"heading": "About this location", "text": "Colt London 4, Hayes is a data centre project in Colt - Hayes, Colt - Hayes, BEACONSFIELD ROAD, HAYES, HILLINGDON, UB4 0SL. The reported operator is COLT DATA CENTRE SERVICES UK LIMITED."}, {"heading": "Status evidence", "text": "Current first-party London 4 page explicitly says under construction; permit permission reconciled separately."}, {"heading": "Location evidence", "text": "Published EA site grid reference TQ1153380192 transformed OSGB36 to WGS84; 350 m screening radius covers point placement uncertainty, not a surveyed boundary. Site address/postcode checked for locality consistency."}], "facts": [{"label": "Reported operator", "value": "COLT DATA CENTRE SERVICES UK LIMITED"}, {"label": "Source date", "value": "2025-08-11"}, {"label": "Location uncertainty", "value": "350 m radius; not a surveyed boundary"}], "metrics": [], "sources": [{"title": "Colt - Hayes", "url": "https://environment.data.gov.uk/public-register/industrial-installations/registration/EPR-GP3721SQ", "note": "2025-08-11"}, {"title": "Hyperscale Data Centre Services in London Hayes | Colt DCS Skip Navigation Careers English English Japanese German Frenc", "url": "https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4", "note": ""}], "opportunity": null, "reviewed_on": "2026-11-10", "updated_at": "2026-11-11T23:27:37.525957+00:00", "rights": "Elora editorial summaries; linked sources and geographic data retain their respective rights. No blanket third-party licence is granted."}