Fibre optic broadband connections of up to 300 Megabits per second will be available on demand in 2013, BT says.
That is three times the maximum 100 Mbps speed the company currently offers using the technology and it described the development as a "game changer".
According to Ofcom the current UK broadband average is 7.6 Mbps.
BT said it hoped to create a "mass market" for high speed broadband among small and medium sized businesses following trials in Cornwall.
The company made the announcement following successful trials of so-called fibre to the premise (FTTP) in St Agnes.
"By December 2014, two-thirds of the country will have access to ultra-fast fibre if they want it" said Mike Galvin of Openreach, part of the BT group.
The firm plans to roll out the system starting next year.
Optical fibre links to street cabinets are widespread, but the connection from cabinet to premises is in most cases copper cable, limiting the speed of the connection.
FTTP will require a fibre-optic connection to the premise from the street cabinet to be installed.
But that may not mean digging up the road.
"It could be overhead, might be on a pole, might be in... Source/Origin >> Read More