Telehouse has launched the expansion at its Telehouse South facility in London, UK.

The opening of two additional floors will provide an additional 5.4MW of IT capacity, bringing the facility’s total capacity to 7.7MW across three floors.

Telehouse South expansion
– Telehouse

Rather than a ground-up project, the operator is refurbishing the 11-story facility it acquired from Thomson Reuters in 2021 in several phases.

The first phase was completed in less than a year back in March 2022 and saw 2MW go live in the operator’s fifth London facility.

Plans for the expansion of the facility were announced in October 2023, with Skanska named the project's contractor.

The Telehouse South facility will provide 18MW of IT capacity across 12,000 sqm (129,000 sq ft) of colocation space at full build-out.

The building is also connected across two diverse dark fiber routes to the operator’s four existing data centers at its London Docklands campus.

The facility is powered with 100 percent renewable energy using a combination of wind, solar, biomass, and hydro generators. The company added its cooling system uses higher water temperature to operate more efficiently. Telehouse plans on reusing data center waste heat for district heating in the future.

Mark Pestridge, executive vice president & general manager at Telehouse Europe, said: “The opening of two additional floors at Telehouse South marks another significant milestone in our ongoing commitment to meeting the capacity demands of the market and providing unrivaled connectivity services. As businesses continue to navigate the complexities of digital transformation, Telehouse remains dedicated to delivering secure, resilient, and sustainable infrastructure solutions that empower our customers to thrive in today's dynamic environment, while meeting their scalability and connectivity needs of tomorrow.”

Established as Japanese telecom company KDDI’s data center arm in 1989, Telehouse's London North facility was the first purpose-built carrier-neutral data center in Europe, and the company now owns more than 45 colocation facilities in major cities around the world, including four others in London.

East London is a popular location for data center development. In February 2024, Kao Data's investors were looking to develop a data center in the area. Other operators with data centers in East London and specifically in the docklands area include Equinix, Digital Realty, and Global Switch.

Earlier this year, Ada Infrastructure received approval for a 210MW data center in the London Docklands area.