This is a list of current high definition channels that are available in the United Kingdom, together with those coming in the future, and those that have ceased broadcasting.
All HD channels in the UK broadcast at 1080i, apart from Sky Sports Main Event UHD channel and the BT Sport Ultimate 4K.
[1] HD channels can dynamically switch between 1080i/25 and 1080p/25 when broadcast via Freeview HD.[2]
Sport Ultra HD was the UK's first Ultra HD channel and it's exclusive to BT TV.
Feature of the Freeview HD spec that allows the broadcaster to dynamically select between 1080p / 25fps and 1080i / 25fps transmission.