The house is in a perfect location to visit Porto and Vila Nova de Gaia. It is at the top of the stairs (and funicular) down to the Ribera district, and a short walk to most of the sites and wonderful neighborhoods of these cities. The house is large: it can accommodate a large family or close group up to 9 people on three floors. Rua Arnoldo Gamma is a popular street because of its access to the Ribera, and it can be a bit noisy, but treat it as part of the experience of living in a lovely, lively city. The host, Irene, and site manager, Rui, were both very helpful.
I highly recommend this home for a great Porto vacation.