The place is nice, clean and near public transportation. It is a nice walk downhill to the attractions of the city. If you like walking and exploring, this is the right place. It's quiet and dark what is a perk if you are looking to have a restful sleep.
Sadly, there was one confusion. I left some clothes airing at the window because it had a strong cigarette smell (people smoke indoors at some places in Porto). The cleaning lady thought I'd washed clothes and hung there what is not allowed. I explained Maria what happened, but I am not sure she truly believed me.
There is some plumbing problem going on and the bathroom smells a bit too. I recognize that Maria keeps nice scents to cover up the smell, but you may feel it at times. If you are sensitive to smells, you may rethink it.
Other than that, everything is nice and I would go back again.
Blessings