[lifeinthevoid]

In case someone's too lazy to enter the address in Google maps, here you go: https://maps.app.goo.gl/oZ5c8aqH1uJ35VaD8

[mlsu]

That house is in Belgravia which is one of the wealthiest and most exclusive districts in London. Some of the most expensive real estate in the world, even at that time.

[Anthony-G]

I had only heard of Belgravia from watching the Sherlock Holmes TV episode, https://en.wikipedia.org/wiki/A_Scandal_in_Belgravia It looked like a fancy area from that.