It was our first Airbnb experience and we enjoyed it! We were met by Sergio's wife, she showed us everything we may need. The flat is large and nicely equipped and located - you can reach the city center in half an hour on foot or much quicker by bus/metro. From the bus station in front of the house you can go directly to Camp Nou, Montjuic, Placa Catalunya. In the neighborhood there's a large supermarket and nice pizzeria. Sagrada Familia is also very near. The street is a bit noisy, but so is the city itself, you get used to the noise after one night. As for the 4th floor - for elder people could be really difficult to go up/down every day, for younger ones - good fitness training! The only thing to be aware of - in October the flat is already rather cold (although there are heaters in each room), so take slippers and warm clothes. To sum up - it was a perfect stay! Thank you!