Sky continued to build on its broadband subscriber base during the second quarter of 2011, attracting another 174,000 customers.
Some 711,000 households have now joined the broadband provider in the last 12 months - representing the fastest rate of growth since 2008.
In total, Sky now has 3.3 million broadband customers in the UK, having signed up an average of 77 per hour in the five years since services launched back in July 2006.
The launch of standalone broadband and home phone packages – independent of a satellite TV subscription – has seen Sky increase its user base at a rapid rate.
Around 100,000 non-TV customers have joined Sky for broadband and calls since summer 2010, taking advantage of the firm's high-capacity unbundled network.
High levels of network investment have also boosted the quality of service provided to Sky broadband customers, with unlimited, fast and reliable broadband now available to 79 per cent of homes.
The broadband provider now plans to increase coverage to 83 per cent by unbundling another 400 telephone exchanges around the UK – creating further opportunities for revenue growth.
Stephen van Rooyen, Deputy Managing Director of Sky’s Customer Group, commented that broadband customers "are voting with their feet".
"The vast majority simply want a reliable, unlimited service that offers genuine value for money," he stated.
"By listening to what customers really want, we have enjoyed our fastest growth in three years."
Mr van Rooyen noted that there are still millions of Sky TV customers who could save money by switching their home phone and broadband to the firm as well.
"Given the strength of our products and brand, we think there is a big opportunity to grow our new standalone services too," he added.