99 facilities · 11 cities · 36 operators
Greater London data centers
Coloprice tracks 99 data centers across 11 cities in Greater London, United Kingdom: 88 operational, 8 under construction and 3 announced, run by 36 operators.
1,334
MW published (42 of 99 sites)
636
MW under construction or announced
3
sites with a third-party tier certificate
$213
wholesale $/kW/month · price index
Colocation prices and quotes in London →
Cities in this market
Largest operators
All facilities
| Facility | Operator | City | MW | Tier | Status |
|---|---|---|---|---|---|
| Ada Infrastructure Docklands | Ada Infrastructure | London | 210 | — | Under construction |
| VIRTUS Stockley Park Campus | VIRTUS Data Centres | London | 112.5 | — | Operational |
| Colt DCS Hayes Digital Park Expansion | Colt DCS | London | 97 | — | Announced |
| CyrusOne LON6 | CyrusOne | Iver Heath | 90 | — | Under construction |
| Pure Data Centres — London Park Royal | Pure Data Centres Group / SEGRO (JV) | London | 72 | — | Announced |
| Pure Data Centres — London Brent Cross, Building 2 (LON01) | Pure Data Centres Group | London | 70 | — | Under construction |
| VIRTUS Slough Campus | VIRTUS Data Centres | Slough | 63 | — | Operational |
| Vantage LHR1 (London I Campus) | Vantage Data Centers | London | 55 | — | Operational |
| Yondr London Campus - Building 3 | Yondr Group | Slough | 40 | — | Under construction |
| Colt London North Data Centre | Colt DCS | Welwyn Garden City | 35 | — | Operational |
| NTT London 1 Data Center | NTT Global Data Centers | London | 32 | — | Operational |
| Colt DCS London 5 Data Centre | Colt DCS | London | 31.5 | — | Under construction |
| Colt DCS London 4 (Hayes) | Colt DCS | London | 31 | — | Operational |
| Yondr London Campus - Building 1 | Yondr Group | Slough | 30 | — | Operational |
| Yondr London Campus - Building 2 | Yondr Group | Slough | 30 | — | Operational |
| Iron Mountain LON-2 | Iron Mountain | London | 27 | — | Operational |
| Iron Mountain LON-3 | Iron Mountain | London | 25 | — | Under construction |
| NTT Hemel Hempstead 4 Data Center | NTT Global Data Centers | Hemel Hempstead | 24 | — | Operational |
| Kao Data Slough (KLON-06) | Kao Data | Slough | 20 | — | Operational |
| NTT Hemel Hempstead 3 Data Center | NTT Global Data Centers | Hemel Hempstead | 20 | — | Operational |
| Pure Data Centres — London Brent Cross, Building 1 (LON01) | Pure Data Centres Group | London | 20 | — | Operational |
| Vantage LHR2 (London II Campus) | Vantage Data Centers | London | 20 | — | Operational |
| CyrusOne LON4 | CyrusOne | Slough | 18 | — | Operational |
| CyrusOne LON5 | CyrusOne | Slough | 18 | — | Operational |
| Telehouse South | Telehouse | London | 18 | — | Operational |
| Csquare LHR3 | Csquare | Reading | 15 | — | Operational |
| CyrusOne LON2 | CyrusOne | West Drayton | 13.92 | — | Operational |
| VIRTUS LONDON2 (Hayes) | VIRTUS Data Centres | London | 12 | III | Operational |
| ServerFarm LON1 London (Feltham) | ServerFarm | London | 11.4 | — | Operational |
| iomart Central London Data Centre (DC2) | iomart | London | 11 | — | Operational |
| Colt London West Data Centre | Colt DCS | London | 9.4 | — | Operational |
| CyrusOne LON3 | CyrusOne | Slough | 9 | — | Operational |
| CyrusOne LON1 | CyrusOne | Slough | 8.72 | — | Operational |
| Iron Mountain LON-1 | Iron Mountain | London | 8.7 | — | Operational |
| NTT Hemel Hempstead 2 Data Center | NTT Global Data Centers | Hemel Hempstead | 5.8 | — | Operational |
| Stellanor Woking | Stellanor | Woking | 4.5 | — | Operational |
| VIRTUS LONDON1 (Enfield) | VIRTUS Data Centres | London | 4.2 | — | Operational |
| DataBank LHR1 | DataBank | London | 3.6 | — | Operational |
| Pulsant Reading SE-3 | Pulsant | Reading | 2.8 | — | Operational |
| NTT Slough 3 Data Center | NTT Global Data Centers | Slough | 2.7 | — | Operational |
| Pulsant Maidenhead SE-2 | Pulsant | Maidenhead | 1 | — | Operational |
| Pulsant Reading SE-4 | Pulsant | Reading | 0.76 | — | Operational |
| Arelion London HEX | Arelion | London | — | — | Operational |
| Ark Alliance Park (Ealing) | Ark Data Centres | London | — | — | Under construction |
| Ark Meridian Park (Edmonton) | Ark Data Centres | London | — | — | Operational |
| Ark Union Park (Hayes) | Ark Data Centres | London | — | — | Under construction |
| China Mobile International UK Data Centre | China Mobile International | Slough | — | — | Operational |
| China Mobile International United Kingdom 1 Data Centre, Phase 1 | China Mobile International | London | — | III | Operational |
| Cogent London CDC | Cogent Communications | London | — | — | Operational |
| Epsilon Global Hubs London | Epsilon | London | — | — | Operational |
| Equinix LD10 | Equinix | Slough | — | — | Operational |
| Equinix LD11x | Equinix | Slough | — | — | Operational |
| Equinix LD13x | Equinix | Slough | — | — | Operational |
| Equinix LD3 | Equinix | London | — | — | Operational |
| Equinix LD4 | Equinix | Slough | — | — | Operational |
| Equinix LD5 | Equinix | Slough | — | — | Operational |
| Equinix LD6 | Equinix | Slough | — | — | Operational |
| Equinix LD7 | Equinix | Slough | — | — | Operational |
| Equinix LD8 | Equinix | London | — | — | Operational |
| Equinix LD9 | Equinix | London | — | — | Operational |
| Fujitsu Services London North Data Centre | Fujitsu Services | London | — | III | Operational |
| Global Switch London East | Global Switch | London | — | — | Operational |
| Global Switch London North | Global Switch | London | — | — | Operational |
| Global Switch Third London Data Centre | Global Switch | London | — | — | Announced |
| iomart Maidenhead Data Centre (DC5) | iomart | Maidenhead | — | — | Operational |
| iomart North London Data Centre (DC12) | iomart | London | — | — | Operational |
| IP House Data Centre | IP House | London | — | — | Operational |
| Iron Mountain Data Center - London (LON-1) | Iron Mountain | Slough | — | — | Operational |
| Keppel DC GV7 London | Keppel DC REIT | London | — | — | Operational |
| Keppel DC London (Bracknell) | Keppel DC REIT | Bracknell | — | — | Operational |
| LGW14 | Digital Realty (Interxion) | Woking | — | — | Operational |
| LGW15 | Digital Realty (Interxion) | Crawley | — | — | Operational |
| LGW16 | Digital Realty (Interxion) | Crawley | — | — | Operational |
| LHR17 | Digital Realty (Interxion) | West Drayton | — | — | Operational |
| LHR18 | Digital Realty (Interxion) | London | — | — | Operational |
| LHR19 (Cloud House) | Digital Realty (Interxion) | London | — | — | Operational |
| LHR20 | Digital Realty (Interxion) | London | — | — | Operational |
| LHR26 | Digital Realty (Interxion) | Slough | — | — | Operational |
| LHR27 | Digital Realty (Interxion) | Slough | — | — | Operational |
| LON1 | Digital Realty (Interxion) | London | — | — | Operational |
| LON2 | Digital Realty (Interxion) | London | — | — | Operational |
| LON3 | Digital Realty (Interxion) | London | — | — | Operational |
| London Hosting Centre | Telstra Europe | London | — | — | Operational |
| NTT Slough 2 Data Center | NTT Global Data Centers | Slough | — | — | Operational |
| Options IT - Park Royal Datacenter (PRDC) | Options Technology | London | — | — | Operational |
| OVHcloud London Data Center (Erith) | OVHcloud | London | — | — | Operational |
| QiComm Tutis Point | Docklands Data Centre | London | — | — | Operational |
| Rackspace Slough | Rackspace | Slough | — | — | Operational |
| Redcentric Data Centres Woking | Redcentric | Woking | — | — | Operational |
| Stellanor Gatwick | Stellanor | Crawley | — | — | Operational |
| Stellanor London City | Stellanor | London | — | — | Operational |
| Stellanor London East | Stellanor | London | — | — | Operational |
| Stellanor London North | Stellanor | London | — | — | Operational |
| Stellanor London West | Stellanor | London | — | — | Operational |
| Telehouse East | Telehouse | London | — | — | Operational |
| Telehouse North | Telehouse | London | — | — | Operational |
| Telehouse North Two | Telehouse | London | — | — | Operational |
| Telehouse West | Telehouse | London | — | — | Operational |
| Volta Data Centres — Great Sutton Street | Volta Data Centres | London | — | — | Operational |
* self-declared level without a cited certificate. Capacity is operator-published IT power; sites without a figure add nothing to the totals.
Questions about Greater London
How many data centers are in Greater London?
Coloprice tracks 99 data centers across 11 cities in Greater London, United Kingdom: 88 operational, 8 under construction and 3 announced, run by 36 operators.
Which operators have the most data centers in Greater London?
By facilities tracked: Digital Realty (Interxion) (12), Equinix (10), CyrusOne (6), NTT Global Data Centers (6), Stellanor (6), Colt DCS (5).
What is the data center capacity of Greater London?
Facilities that publish IT power add up to 1,334 MW (42 of 99 sites disclose a figure); 636 MW of that is under construction or announced. The largest published site is Ada Infrastructure Docklands with 210 MW.
What does colocation cost in Greater London?
The Coloprice Colocation Price Index puts wholesale colocation in London at $213 per kW per month (H2 2025 – Q2 2026), per CBRE, Global Data Center Trends 2026 (17 June 2026), Fig. 5 — Q1 2026, 250–500 kW.
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