CyrusOne London LON6 Data Centre
Buckinghamshire, UK (near London) · Announced 2025 (planned) · £1.2bn (US$1.6bn) [151]
The judgement call
Account-gated at launchStrong focus on sustainability, biodiversity, and community benefits, setting a new standard for data centre design [151, 153]. - Significant investment in a single facility, indicating confidence in the UK data centre market. - Designed to deliver a substantial amount of IT capacity to meet growing demand.
Key engineering challenges
Designing and constructing a hyperscale data centre with 90 MW IT capacity. - Achieving industry-leading sustainability standards, including BREEAM "Excellent" certification and on-site photovoltaic panels [153]. - Integrating biodiversity initiatives into the data centre design and operation. - Ensuring reliable and efficient power and cooling for high-density IT equipment.
Project facts
- Client / owner
- CyrusOne
- Lead contractor
- —
- Lead designers
- —
- Project type
- new build
- Scale
- 90 MW of IT capacity across 30,000 sq m of technical space [152].
- Disciplines
- Electrical engineering; mechanical engineering; civil engineering; environmental engineering; data centre architecture.
- Standards & frameworks
- BREEAM "Excellent" certification, industry standards for hyperscale data centres.
Sources: [151] Sustainability Magazine. CyrusOne Launches UK’s US$1.6bn Sustainable Data Centre. https://sustainabilitymag.com/articles/cyrusone-launches-90-mw-green-data-centre (Accessed: 2026-06-10). [152] CyrusOne. Data Center -- London, UK: LON6. https://www.cyrusone.com/data-centers/emea/london-uk-lon6 (Accessed: 2026-06-10). [153] CyrusOne. CyrusOne Plans Pioneering New London Facility with Sustainability at its Core. https://www.cyrusone.com/resources/press-releases/cyrusone-plans-pioneering-new-london-facility-with-sustainability-at-its-core (Accessed: 2026-06-10).