I can't say enough positive things about our stay here.
First of all, Claudia is quite possibly the most perfect Airbnb post. Responds to messages quickly, and when we checked in, he left a bottle of water for us, and a map with recommendations of restaurants, and where various venues were.
The flat in itself was beautiful. I feel the pictures don't do it justice. A brilliant space, with great facilities.
Would not hestiate to reccomend this spot to anyone looking in Porto.