London's Fake Houses at Leinster Gardens

Numbers 23-24 Leinster Gardens in London are fake - they're just a front facade with no house behind them. That's crazy because I've walked pass these "houses" dozens of times and had no clue...WOW!!
So why? Lets be honest no one searched for this. Check out in this video:

  

Imagine someone trying to break in there...๐Ÿ˜‚๐Ÿ˜‚๐Ÿ˜‚