The room is available from the 16th to the 29th of July. You can check out the other room in the flat: https://www.airbnb.co.uk/rooms/12704753
I am putting my room on airbnb during my 2 weeks of holidays. You will be living with an English couple, both very nice :)
The flat is cosy and bright.
Less than 10 min walk from turnham green station (district line), 40 min from London main touristic attraction (westminster...). 20 min from Westfield (biggest commercial center).