BT has explained that hikes in broadband, BT Sport and landline prices will help to fund a range of service improvements.
New prices were introduced on January 7th, bumping up BT Infinity 1 customers' bills from £42.99 per month to £44.99 per month, while those on copper-based broadband will now be charged £37.99 per month - up from £35.99 per month.
However, BT has stressed that the price changes will enable it to invest in continued improvements, such as speed boosts, extra cloud storage and greater data allowances.
A spokesman said: "We are investing more than ever in broadband.
"There are also great personalised offers for our broadband customers.
"They can stay on the same broadband deal for the same price as they were paying before this change, if they sign a new contract."
Alternatively, the spokesman suggested that consumers could choose to upgrade to a better product that offers more speed or more data, for their new price, which will be frozen for 18 months.
The company has committed to delivering ultrafast speeds to 12 million premises by the end of 2020.
However, the government recently rejected BT's offer to deliver universal high-speed broadband to all areas of the UK, as an alternative to regulation.
Ministers have instead promised to implement a new broadband Universal Service Obligation (USO) that ensures everyone in Britain has a legal right to request minimum speeds of 10Mbps by 2020.
According to the government, this is the speed that will meet the typical needs of a family that wants to browse the web, stream films and carry out video conferencing at the same time.