FTA/Generic/Non platform specific receivers, usually used with a motorised dish or multi-sat set up (fixed dish with multiple LNBs for different satellites)
You won't pick up foreign terrestrial channels in the UK.
There's lots of FTA satellite channels in Europe recievable in the UK, but not many in HD, most won't have English audio, or content thats of interest to the average brit..Most of the content thats of interest is on Premium channels.
HD receivers start from around £70 upto £1200+ and for a motorised dish install your looking at spending anything from £200 - £400 (more if you're in London) depending on dish size, quality of kit, where its to be situated/type of mount required etc etc