My boyfriend and me stayed in London for 1 month to work at the UCL hospital. So we really got to know the flat and it's surroundings:) We spent a wonderful time in London. We would totally recommend this flat, especially if you are a couple and looking for an accommodation for a short time visit in London.
The host
From the first until the last contact Astrid was extremely helpful and always replied very fast. She is very friendly and even showed us around in the neighbourhood for the nearest supermarket, underground and bus stations and other stuff.
The flat
When she isn't subletting the place Astrid herself lives there, so the flat provides everything you'll need! The flat is a bit crammed and small, but very cozy with a fully equipped kitchen (maybe some knives need sharpening) , a connected dining room, a washing machine, a bathroom and a bedroom with a full-size bed.
The location
Is just perfect. There are various pubs, restaurants, underground and bus stations nearby and even Soho and Covent Garden are in walking distance. Every week we went running in the Regents Park (5min walk). The flat is located in a calm side street so you don't need to worry about noise.