being very honest, Sergey's flat was just perfect for me. It is a very quiet and cosy flat but at the same time very close to a major shopping area (Oerlikon), all public transport you need, and the airport. The flat is ideal for a single person or couple, with easy access to both city centre and airport. Very good kitchen and bathroom and you feel at home, so I'd say the flat is ideal both for short- or long-term visits. Sergey is very easy to communicate with and check in/out is extremely easy. Very strongly recommended.