Google Waltham Cross
AI data center in Waltham Cross (Cheshunt), Hertfordshire, United Kingdom, operated by Google.
Google's first UK-owned data centre, opened in September 2025 north of London as part of a GBP 5B UK investment. Epoch AI estimates about 88 MW of IT power, fully built.
Power: what each source says
Epoch AI estimates 88 MW IT / 124 MW facility as of 2026-04-23.
Figures labelled Epoch AI are estimates from satellite imagery, permits and filings. Company figures come from the operator, owner or its filings. IT power is what the servers draw; in Epoch AI’s figures for these campuses it runs about 15–35% below total facility power.
Tenants
Campus facts
- Operator
- Google 1
- Owner / developer
- Google 1
- City
- Waltham Cross (Cheshunt) 1
- State / region
- Hertfordshire 1
- Country
- United Kingdom 1
- First power
- 2025-09 1
- Chips
- Google TPU v6e (Epoch AI) 1
- GPUs / accelerators
- Not published
- Cooling
- Not published
- Power source
- grid with contracted renewables (Shell Energy, Engie) 1
- Coordinates
- 51.69° N, 0.03° W (town level)
- Verified
Sources
- Epoch AI data center profile: Google Waltham Cross (CC-BY 4.0) (licence: CC BY 4.0) accessed 2026-11-09
- Google: site page or announcement accessed 2026-11-09
- Epoch AI, AI data centers dataset (CC-BY 4.0, updated 2026-11-06) (licence: CC BY 4.0) accessed 2026-11-09