If you follow the Andalusian gardens and palaces route, you will get to see some nice old houses. In some of them you will be greeted by a local man that will be your guide. I am not sure if the one who showed us this house was an official or an unofficial guide. He was a nice man who spoke some French. He showed us around, and opened a couple of locked doors. At the end of the visit we gave him some dirhams.