This apartment is wonderful place. The photos are very accurate. Although it is small, it is well laid out, with the living room being a good place to do work/relax, and the terrace is such a wonderful place to soak up the sun, have a meal, or just relax. The bed is comfortable and the apartment is quiet, which is great, because the city is abuzz with people walking and laughing almost the entire night. Carlos is a great host, you can reach him easily and he is very accommodating. Yes, we were greeted also with fresh fruit and a chilled bottle of Cava in the fridge!
The location is close to the Barcelona Cathedral, the harbor, and in the heart of the Gothic District, which is the coolest area to explore (in my opinion). We didn't use the stove, just the fridge and microwave. The kitchen is well-equipped with spices, pots and pans, plates, cutlery, storage containers, glassware. The coffee maker wasn't what I expected - it was a stove-top kind of item (look up "Moka Pot"), but we were just as happy to walk half a block to a sweet local cafe where we could sip our cafes con leches and people watch.
Pluses were the washing machine and the elevator. If you wash your clothes, thank me for providing the clothespins! Bought them around the corner at the Supermercat! The elevator is small, but thank God we didn't have to drag our luggage up 5 flights of stairs.
I would highly recommend Carlos's apartment for your stay in Barcelona!