UK Data Centre Trends Tracker with Coverage of 235 Facilities Offered by 100+ Providers News provided by Share this article Share this article ResearchAndMarkets.com's offering. The 9th edition of the UK Data Centre Trends Tracker reveals that Data Centre C expansion for the second half of 2019 keeps in line with that of the first half of 2019, at around 27,000 m2. New space announced for starting the new decade comes from NTT, Virtus and xScale. Data Centre floor space in London has the largest share of 32 percent followed by Slough and then Cardiff. Slough has less than half the raised floor space of that of London of 280k m2.