Freeview costs you nothing other than maybe a one-off twenty quid box out of Argos. No aerial other than normal telly aerial required. You probably got one already. Shop around and you can get an HD Freeview box for about the same price (got mine for that exact price out of Richer Sounds in...
Got my terrestrial aerial sorted out bigtime last week by supergeek Jonny who trades as Aerials&More and is based in Patcham. Highly recommended and top value for money :thumbsup: