Digital Realty Sovereign House (LHR20) Data Centre
London Docklands (227 Marsh Wall, E14 9SD), UK · Operational (acquired by Digital Realty, originally designed for office use)
The judgement call
Account-gated at launchStrategic acquisition and conversion of existing properties to expand data centre footprint in prime locations like London Docklands [163, 166]. - Focus on carrier-neutrality and rich connectivity to attract a wide range of clients [160]. - Collaboration with Imperial College London on direct liquid-cooled AI deployment, indicating innovation in cooling solutions [167].
Key engineering challenges
Converting an existing office building into a high-density data centre, adapting its structure and systems for data centre requirements [163]. - Providing robust power and cooling infrastructure (Tier 3 Equivalent) within an existing building footprint [164]. - Establishing a major carrier-neutral and fibre-rich hub with access to key network providers [160, 165]. - Ensuring high levels of security and reliability for critical data centre operations.
Project facts
- Client / owner
- Digital Realty
- Lead contractor
- —
- Lead designers
- —
- Project type
- upgrade; refurbishment
- Scale
- 53,862 sq ft (premium customer space), 66,736 sq ft (total data centre space), 8.0 MW (power capacity) [160, 161, 162].
- Disciplines
- Electrical engineering; mechanical engineering; civil engineering; network engineering; data centre architecture.
- Standards & frameworks
- Tier 3 Equivalent (HIPAA Certified), industry standards for colocation data centres.
Sources: [160] Digital Realty. London LHR20 - 227 Marsh Wall. https://www.digitalrealty.com/data-centers/emea/london/lhr20 (Accessed: 2026-06-10). [161] Datacenters.com. Digital Realty Data Center in London UK. https://www.datacenters.com/digital-realty-london-lhr20 (Accessed: 2026-06-10). [162] Ocolo. London LHR20 - Digital Realty. https://www.ocolo.io/colocation/digital-realty/london-lhr20/ (Accessed: 2026-06-10). [163] Colo-X. Digital Realty Trust, Sovereign House, London - Data centre. https://www.colo-x.com/data-centre/digital-realty-trust-sovereign-house/ (Accessed: 2026-06-10). [164] Upstack. Digital Realty LHR20 Data Center, London, United Kingdom. https://marketplace.upstack.com/data-centers/digital-realty-data-center-london-sovereign-house (Accessed: 2026-06-10). [165] Cloudscene. Sovereign House | London. https://cloudscene.com/data-center/united-kingdom/london/digital-realty-sovereign-house (Accessed: 2026-06-10). [166] Evans Randall. Sovereign House - Docklands, London. http://www.evansrandall.com/sovereign-house/ (Accessed: 2026-06-10). [167] Digital Realty. Digital Realty and Imperial College London Collaborate on First Direct Liquid-Cooled AI Deployment in the UK. https://www.digitalrealty.com/about/newsroom/press-releases/19976/digital-realty-and-imperial-college-london-collaborate-on-first-direct-liquid-cooled-ai-deployment-in-the-uk (Accessed: 2026-06-10). [159] Datacenter Real Estate. Digital Realty’s $2 Billion UK Mega-Campus. https://www.datacenterrealestate.com/news/digital-realty-s-2-billion-uk-mega-campus-a-game-changer-for-european-data-center-investment (Accessed: 2026-06-10).