The remote communities of Grimsay and Great Bernera enjoy some of the UK's fastest speeds.
The Ultrafast 1 and Ultrafast 2 packages offer average download speeds of 145Mbps and 285Mbps.
Around 2000 more homes and businesses will be connected up to BT's Openreach network as a result.
Measures include an annual review to asses whether they're still paying for the appropriate package.
Their Fibre First project aims to connect up 4 million premises by March 2021.
The provider will upgrade its network to the DOCSIS 3.1 standard.
The network will launch on the Jubilee line in 2020.
Our guide to student broadband, what it is and what subscriptions you should look out for.
The ultrafast service is expected to launch sometime later this year.
The service will be available in 25 towns and cities across the UK by the end of 2019.
Eligible properties will have a legal right to request access to broadband speeds of at least 10Mb.
It was previously only available to those with BT's Ultrafast Fibre packages.
Customers must also be notified of the best alternative deals available.
It's expected that 70% of NHS organisations will be connected by August 2020.
This financial boost will help support the upcoming rollout of their high-speed technology.
The village of Cornish Hall End will be the first to receive gigabit services.
BT, Sky, Virgin Media, TalkTalk and Zen Internet have all signed the agreement which was created by regulator Ofcom.
Gigaclear has provided Green Meadows Park in Gloucestershire with access to speeds of up to 900Mb.