The UK's first 100Mb broadband service will be piloted by 30 homes in Bournemouth, starting in March.
A fibre-optic network will represent the first true super-fast product in the country - over ten times as fast as most standard connections.
The 30 homes which have been chosen to take part on the testing for the Fibrecity project will help demonstrate the improved services which can be enjoyed as a result of the speed boost, such as high-quality online video and "remote home security".
"This is an exciting development for Fibrecity. Since its launch last year, the initiative has progressed according to plan and is on schedule to be completed by 2010," said Elfed Thomas, chief executive of Fibrecity's parent company, H2O Networks Group.
He added: "We are in a very strong position and are having positive discussions with a number of key content providers and that can provide wholesale access to Fibrecity customers."
The Fibrecity network was built using the sewer system to lay fibre-optic cables, which H2O says is up to 90 per cent faster than digging new ducts.