39 facilities · 12 cities
ISO 14001 data centers in United Kingdom
Facilities in United Kingdom that publish ISO 14001 certification. Environmental management system. Increasingly requested in European tenders and by companies with public emissions targets.
39 of the 196 facilities we track in United Kingdom publish ISO 14001 — 9 operators, 103 MW of published IT capacity, 39 operational. Cities: London, Slough, West Drayton, Cardiff, Corsham, Farnborough, Woking, Crawley, Chessington, Manchester, Swinton, Salford.
For context, wholesale colocation in United Kingdom is benchmarked at $213 per kW per month (CBRE, Global Data Center Trends 2026 (17 June 2026), Fig. 5 — Q1 2026, 250–500 kW), and commercial electricity at $0.454 per kWh — certification rarely changes the rack rate, but it narrows the shortlist.
| Facility | Operator | City | MW | Status |
|---|---|---|---|---|
| Iron Mountain LON-2 | Iron Mountain | London | 27 | Operational |
| CyrusOne LON4 | CyrusOne | Slough | 18 | Operational |
| CyrusOne LON5 | CyrusOne | Slough | 18 | Operational |
| CyrusOne LON2 | CyrusOne | West Drayton | 13.92 | Operational |
| CyrusOne LON3 | CyrusOne | Slough | 9 | Operational |
| CyrusOne LON1 | CyrusOne | Slough | 8.72 | Operational |
| Iron Mountain LON-1 | Iron Mountain | London | 8.7 | Operational |
| Vantage CWL1 Cardiff Campus | Vantage Data Centers | Cardiff | — | Operational |
| Ark Spring Park | Ark Data Centres | Corsham | — | Operational |
| Ark Cody Park | Ark Data Centres | Farnborough | — | Operational |
| Equinix LD8 | Equinix | London | — | Operational |
| Telehouse North | Telehouse | London | — | Operational |
| Telehouse North Two | Telehouse | London | — | Operational |
| Equinix LD4 | Equinix | Slough | — | Operational |
| Equinix LD3 | Equinix | London | — | Operational |
| Equinix LD6 | Equinix | Slough | — | Operational |
| Equinix LD7 | Equinix | Slough | — | Operational |
| Equinix LD9 | Equinix | London | — | Operational |
| Equinix LD10 | Equinix | Slough | — | Operational |
| Equinix LD11x | Equinix | Slough | — | Operational |
| Equinix LD13x | Equinix | Slough | — | Operational |
| Equinix LD5 | Equinix | Slough | — | Operational |
| LON1 | Digital Realty (Interxion) | London | — | Operational |
| LON2 | Digital Realty (Interxion) | London | — | Operational |
| LON3 | Digital Realty (Interxion) | London | — | Operational |
| LHR18 | Digital Realty (Interxion) | London | — | Operational |
| LHR19 (Cloud House) | Digital Realty (Interxion) | London | — | Operational |
| LHR20 | Digital Realty (Interxion) | London | — | Operational |
| LGW14 | Digital Realty (Interxion) | Woking | — | Operational |
| LGW15 | Digital Realty (Interxion) | Crawley | — | Operational |
| LGW16 | Digital Realty (Interxion) | Crawley | — | Operational |
| LHR13 | Digital Realty (Interxion) | Chessington | — | Operational |
| LHR17 | Digital Realty (Interxion) | West Drayton | — | Operational |
| Telehouse East | Telehouse | London | — | Operational |
| Telehouse West | Telehouse | London | — | Operational |
| Volta Data Centres — Great Sutton Street | Volta Data Centres | London | — | Operational |
| Equinix MA3 - Manchester | Equinix | Manchester | — | Operational |
| Equinix MA5 - Manchester | Equinix | Swinton | — | Operational |
| AtlasEdge Manchester (MAN001) | AtlasEdge | Salford | — | Operational |
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See also: all data centers in United Kingdom · ISO 14001 worldwide · colocation pricing
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