Mu husband and I stayed at Ali's flat for 8 nights. If you are going to London for some days and don't want to spend the outrageous hotel prices, staying in Ali's flat is perfect. Not only is perfectly located, but it has everything you really need while you stay there. Since we arrived we didn't have any communication with Ali, because we really didn't need to. His office is very close to where the flat is located. The day we arrived, we went to the office to get the keys and they were very kind and very welcoming.
Ali's flat is a great option if you visit London for a few days.