Virgin Media announced the successful trial of 1.5Gb cable broadband in London's Old Street 'Silicon Roundabout'.
Virgin said the 1.5Gb downstream/150Mb upstream trial uses the same infrastructure and technology as the company uses to provide home customers with 100Mb speeds.
The 1.5Gb trial is said to be the world's fastest cable connection and more than 240 times faster than the national average connection speed.
TechHub, described as a community and workspace for technology entrepreneurs, is participating in the trial and played host to an event where TechHub members showcased their products. Virgin's 1.5Gb broadband connection was also demonstrated.
TechHub boss Elizabeth Varley said: "TechHub members are having great fun with the super speeds and are looking forward to trying out new ideas and applications."
"Superfast broadband is critical to continued innovation across the UK and Virgin Media's 1.5Gb trial is a great opportunity to explore the future potential."