Prince Charles Cinema is one of a kind. Do not go there for blockbusters. But please do if you would like to see a proper classic (or three at one go like in “Godfather Trilogy”) or another movie, which is not as popular as the ones from posters in the Tube, but it does not mean it is any less good though.http://www.princecharlescinema.com/
Prices are reasonable, unless you get a membership for a tenner annually – then it becomes really cheap.
Enjoy your popcorn,