Ark Union Park (Hayes)
Under constructionArk Union Park (Hayes) is a data center in London, United Kingdom, operated by Ark Data Centres, currently under construction.
Ark Data Centres campus under development at Bulls Bridge Industrial Estate in Hayes, West London — a 56,000 sqm AI-ready site with on-site solar and rainwater harvesting.

- Operator
- Ark Data Centres
- City
- London, United Kingdom
- Power, MW
- —
- Cooling
- Liquid
- Floor space
- 56,000 m²
- AI-ready
- Yes
- Market benchmark
- $213 per kW per month wholesale · London, United Kingdom
- Index rate for the market, not this operator’s price list
- Address
- Bulls Bridge Industrial Estate, Hayes, UB3 4DG · Open in maps ↗
1 sources · data pending on-site verification
Coloprice Score
12 out of 100
limited data · #114 of 196 in United Kingdom
- Resilience0/35
- Compliance0/20
- Transparency5/20
- Scale4/15
- Maturity3/10
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Data release:
More data centers in London
| Facility | Operator | Power, MW | Tier | Status |
|---|---|---|---|---|
| Ark Union Park (Hayes) | Ark Data Centres | — | — | Under construction |
| Colt DCS Hayes Digital Park Expansion | Colt DCS | 97 | — | Announced |
| Colt DCS London 4 (Hayes) | Colt DCS | 31 | — | Operational |
| Equinix LD8 | Equinix | — | — | Operational |
| Global Switch London East | Global Switch | — | — | Operational |
| Global Switch London North | Global Switch | — | — | Operational |
Source — Verified against operator sources · data pending on-site verification