I would highly recommend staying at Nahir's place. The loft is a relatively small space but it has been very carefully designed to include everything that you need. You do need to be somewhat nimble to get up and down the ladder that leads to the bed, which is large and extremely comfortable. The garden outside is also lovely and overall the experience is quite unique. If you have a suitcase, you might have some trouble rolling it over some of the stone streets. It is quite easy to walk to all of the places that a tourist might visit in Porto, and Nahir was helpful in providing directions and recommendations. She is clearly a very experienced host!