Here you have all metal bar locations in Google maps, hope this helps 🙂
As you can see on the map, Moncloa and Chamberí are different districts but in spite of Bajos de Argüelles belong to Chamberí and is a popular area, I’ve considered it convenient join them. The metro stop is Argüelles (4 line, brown) or Moncloa (3 line, yellow)
Bajos de Argüelles were the heavy metal and rock heart of Madrid at 80’s, nowdays just a few places are still open but are cheap (when I say cheap is because in Spain doesn’t measure the booze), most of them with clean toilets and close at 2:30 am :
Sinner. Another heavy metal bar, more little than Rebel but the same good atmosphere. Check their photos as well!
Fenrir. Focuses more into folk, power and death metal. Huge place with darts, pool and a large beer selection. Don’t forget to visit their page.
Gatuperio. More heavy metal in this place! The FB page aren’t updated since 2013 but they are still open.
Lemmy bar. Rock and heavy metal pub, as legendary as their name.
Bastard. Specialized in rock, A.O.R., hard rock, heavy, power, thrash, death music. Open friday and saturday till 3:00 am.
Tuareg. Heavy and hard rock. Open from tuesday to sunday till 2:30 am.
Boveda. Recently opened and until 6:00! Rock, punk and heavy metal mostly. From 23:00 pm to 6:00 am, just weekends. Check their pictures in FB!
Near by Bajos de Argüelles
These pubs are in the same area, just 5 or 10 minutes away.
Purple. This bar is the only one in the whole Argüelles where you can listening to metalcore, djent or recent genres from 2000. Check the page! Open till 3:30 am. CLOSED
La leyenda. Venue and pub, varied metal and rock, table football and opened till 3:30 am.
Fun House Madrid. Pub and venue, similar to Wurlitzer in music styles (rock, garage, punk, classics). Open till 5:00 am. Metro station Bilbao (line 1 or 4, light blue and brown)
Trashcan music club. Pub and venue like Fun House Madrid. Mostly Rock and roll, punk, garage and other styles. Open till 6:00 am. Metro station Bilbao (line 1 or 4, light blue and brown)