You can also come by metro (Begoña) just 5 minutes on foot. From the Metro San Modesto exit, head for C/ de San Dacio, turn right onto C/ de Ángel Múgica. Later cross C/Francisco Sancha to meet C/de Ameyugo. A few meters away you can turn left onto C/Manuel Tovar, continue straight until number 23.
Or by bus (67, 83, 124, 125, 135, 137, 165, 714), just a 5 minutes walk.