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 action unavailableStrategic 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).