The UK broadcaster Channel 5 is closing the standard definition (SD) satellite version of its main channel, moving to HD-only distribution on both Sky and Freesat.

From today, 3rd March 2026, viewers receiving Channel 5 via satellite will only be able to access the HD version of the main channel. The SD simulcast is being removed as part of an ongoing industry shift away from legacy transmission formats.

Importantly, this change applies only to Channel 5’s main channel. Sister channels such as 5Action, 5Star and others are not included in this particular SD switch-off and will continue broadcasting as normal for now.

The move brings Channel 5’s flagship service into line with wider trends across UK broadcasting. Over the past two years, several major broadcasters have reduced or completely removed SD satellite feeds. Running parallel SD and HD streams consumes valuable satellite bandwidth and adds transmission costs — something broadcasters are increasingly looking to streamline as viewing habits evolve.

For the vast majority of viewers, the transition will be seamless. Most UK homes already have HD-capable televisions and satellite receivers, and many viewers may not even realise they were watching the HD version already. However, households still relying on older SD-only satellite boxes will need to upgrade to continue watching Channel 5 via Sky or Freesat.

It’s worth noting that this change affects satellite distribution only. Channel 5 remains widely available on Freeview and through streaming platforms, where HD delivery has long been standard.

By switching off its SD satellite feed, Channel 5 is effectively signalling that standard definition broadcasting for its main service is now a thing of the past. As the industry continues its gradual transition toward HD and IP-based delivery, legacy formats are steadily being phased out.

For satellite viewers, the takeaway is clear: the main Channel 5 service is going HD-only — but its sister channels remain unchanged for now.