HD or High Definition is the latest TV picture enhancement giving up to 5 times as much picture information as standard TV.

To receive HD you must have either a receiver or decoder box and an ‘HD ready’ screen.

Free-to-air receivers pick up satellite transmissions so you will need a satellite dish.

The BBC and ITV are transmitting in HD and other channels will show various programmes in HD.

The decoders for free channels start from £220 including standard installation.

If you wish to subscribe to HD channels take a look at Sky+HD