If you're into rock/heavy metal then The Crobar SHOULD be your destination on a Friday night - Just a 5 minute walk from Oxford Street/Tottenham Court Road tube! This bar gets packed and has a great jukebox selection (Could do with some more songs). It's narrow at the bar but once you get into the back room, you've get some breathing space.
The have some live music on occasionally, which is not a bad thing!
Downside is that the bar only opens from 4pm but stays open until 3am. There is no draught beers (Except soft drinks) and you have to pay £10 or more to use your card. Great bar and one for any metal fan! This is a proper rock bar!
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Open Mon-Sat: 4pm-3am