1. Location is reported correctly, house is clean
2. The host is nice and cooperative and check-in instructions are clear, and it goes very smooth
3. The walls are thin, and we can hear noise from other rooms, which can be disturbing during night. It gets cold and bedsheet is enough to cover.
4. The apartment is 12 minutes walk from Metro- Barajas.
5. The metro to Airport-T4, T2, T3 costs €4.5
6. Taxi from this apartment to T4 costs around €12. T4 is not walkable from this place. There is no footpath
7. As other people mentioned, one could walk to T3, and then take a shuttle to T4.