Communication with customer service behind this listing was great, from making sure the baby cot was ready by our arrival (at no charge) to uploading the passport that wasn't recognised by the app to figuring out how to unlock the cooking surface. The app worked well as a key to both doors. The building had no lift so getting the buggy and bags up to the 2nd floor was a challenge. The apartment was cosy but cold, we had to keep two air conditioners on at 28C in order to not freeze at bedtime. The sound insulation was poor, we were woken up by general waste and recycling being lifted and driven away by noisy trucks in the early morning hours. The fridge door hit the side of the cupboard and didn't close every time, there were no towel hooks in the showers and the main shower door had no rubber seal at the bottom so we had a big flood once. Kids watched a bit of Netflix but mostly we were out exploring Madrid. I recommend you install a Glovo app for deliveries from the local supermarket.