Rebecca was very friendly and helpful. We had a great time staying at her place. We had everything we needed. She provided towels, a hair dryer, wifi, a TV, a toaster, a fridge, two sets of keys, guides of London and even breakfast. The next tube station is easily reachable by bus (bus station is very close by), so you are in central London in no time. The mattress of my bed was not very kind to my back but thmy back is generally very sensitive.
Our flight back home was very early in the morning so we wanted to take a cab to a bus station where we'd catch the bus to the airport, however via taxicode.com we were able to find a cab that was actually cheaper than the bus ride would have been (since you pay extra for suitcases, the cab already had 2 suitcases included). So if you consider taking a taxi to their airport you might wanna go to their site and check their fares. Otherwise I'd suggest sticking to public transportation.