Stayed here
https://goo.gl/maps/nHvyeArr6QN6UTDn8
and here.
https://goo.gl/maps/UTFbk893qAKsQhCf7 - this one has been significantly upgraded since I was there.
Enjoyed both it was about 8 years ago so they may have changed. Would love to go back to Barcelona but I'll probably wait until La Sagrada Familia is completed.