Interesting I was flying into Ireland yesterday and was working Dublin who had band boxed frequencies. However, because some commercial channel was breaking into one of theirs - I think everyone ended up on 124.65 (memory might be wrong on exact freq) - female controller doing a fab job though.
Some years ago I lived directly under the ILS to 27R at LHR just by the outer marker. The radio in the kitchen always got break through if tuned to BBC Radio 4 - usually along the lines of "Speedbird 123 cleared to land" etc as the aircraft passed directly overhead. Changed radios but same thing occurred. No other radio's or TV's in the house were affected and only the aircraft transmission was picked up and only when tuned to Radio 4 FM.