We had a nice stay in London and your appartement. Even do we did not meet Mark personally we had a good eksperience whith his recommondations and good eksplanations how to get around by bus and subway.
The lokation was quiet but had a lot of nice grosary shops, bars and lokal places to eat and have a nice time. It was not far from the Thems and jogging routs, kafees and parks.
I can absolutely recommend this host and his place if you are looking for a lokation more quiet than in the center of London.