Upsides: the location is perfect right in the center of Valencia also the air-conditioning worked perfectly. Kitchen was good enough although missing some more knives, sharp knives, maybe some variation instead of one blunt meat knife. Also a drying towel for doing the dishes would have been great to have.
Downsides: the apartment is very small and thus the price for the apartment a bit steep. We are 1.86 and 1.75 meters and the bed was quite small. For example my feet would stick out of the bed. Also the space in the shower is very small. Overall it was clean although we had the unpleasant visit of a cockroach which disappeared behind the kitchen-counter. The communication about this was very poorly done. My father made the reservation for me and my girlfriend on his account by accident when reviewing the place on Airbnb (he's not very tech savvy). He tried canceling it but that couldn't be done with a refund. So we decided to come nonetheless. We've sent multiple mails explaining the situation and that they should use my contact information, mail or phone call/text. On the night we made the landlords aware we didn't get a response. Only a friend from the landlords that welcomed us at arrival said he forwarded the message towards the landlords and that we should wait for a response. The next day we got a response that they would come by and set traps. We didn't get a message when it had been placed or what exactly they did place. Nor an explanation about the situation or how to prevent it in the future. We found it to be very unsanitary and something that should not happen when you've paid such a price for such an apartment.