The 100 Mbps service will go on sale from December.
The average download speed in the United Kingdom was 5.2Mbps in May 2010, up from 4.1Mbps in April 2009. Nearly a quarter (24 percent) of U.K. residential broadband connections had a headline speed of above 10Mbps in May 2010, compared to eight percent in April 2009, according to Ofcom, the U.K. communications regulator.