To be very specific you need a TV licence if you consume a "broadcast signal". Meaning that anything that is live, or recorded from a live signal, requires a T

To be very specific you need a TV licence if you consume a "broadcast signal". Meaning that anything that is live, or recorded from a live signal, requires a TV licence - whether or not it came from an over-the-air signal or via an IP service. But if you consume a catch-up TV service, or watch DVDs, or use Netflix... then you do not need a TV licence. Aside from the person I know who works at the BBC, no-one I know now has a TV licence, just as no-one I know has a land-line telephone. Modern technology (smart TVs and smart DVD players mostly) have obliterated old style viewing.