
Renting a room for £500 per month in a well-maintained period property in Zone 2? There there, dearie, put down the skinny jeans: you have not entered a portal back to London c. 2002.
You've probably just met someone renting off a property fairy godmother, one who dispenses great deals on comfortable lodgings to the nice, middle-class young things propping up London's low-wage jobs market.