Sarah's place is conveniently located - 10 mins to Vauxhall bus/train/underground, about 15 min walk to London Eye and Big Ben, two small markets under 5 min walk. There is a small bistro type restaurant right on the corner, and a pub with a brunch/lunch/dinner menu 5 min walk. A playground is across the street from the pub - very handy for us traveling with kids. Very quiet neighborhood. However, it's located next to train tracks. That did not bother us as we were not in the apartment during day much, and the trains do stop running at night. The apartment is a walk up, but again, not difficult to get to.
The place is quite roomy. There are two bedrooms and two bathrooms. In addition, the sofa bed in the living room sleeps 1-2. Kitchen is equipped for anyone who wants to use it, there is also a toaster and a microwave. Washer is available for use.
We would recommend the place for it's location, convenience, size, and ease of communication with the host.