The flat is very well located being right across the street from Hyde Park and short walks to a couple Central Line tube stations as well as Paddington Train Stn. The Central line is older, dirtier and much hotter than some of the other lines like the Circle line so if you are relying on the tube system you may want to walk to Paddington to catch a Circle line train.
The flat (like many in London) is not air conditioned so it gets quite hot during the day although there are a couple fans as well as great air flow once you open the windows in the front and back so it cools down nicely for bedtime. There are no screens on the windows so a number of flying bugs get in but they don't seem to bite much.
The kitchen is smallish (as indicated in the photo) but is very useful for a quick bite of breakfast or a snack later in the day. There are a number of Waitrose / Tesco / Sainsbury grocery stores within 5 - 15 minute walk so you can grab some basic breakfast food / snacks.
There is a dish washer as well as clothes washing machine with a drying wrack so you can do laundry.
The flat is on the 2nd floor which for North Americans is really the 3rd floor so there are lots of stairs. There is a small elevator (or lift) for hauling bags up upon arrival / departure, otherwise we walked up the stairs most of the time. There are a number of nice coffee shops / restaurants within a short walking distance which get frequented by the locals (so you know they are good!).
The flat is surprisingly quiet for such a central location and proximity to a major street like Bayswater.
Great place to stay and Sara our host was very helpful.