Great location in Zone 1, Elephant & Castle tube station and a Tesco Metro are within walking distance. Yvonne did mention about the noise as its close to station, but it wasn't an issue for us at all.
Yvonne was very kind to show us to the flat herself, and explaining everything we need to know. The flat was well equipped with all the basic things we needed.
We had a great week in London! Thank you Yvonne for letting us stay at your place! Cheers!