>>> It gets more affordable if you go elsewhere in Greater London. I was able to find a two-bedroom flat for under £1,300
The rest of the article seems quite on point, but that rent, I just can't quite put my finger on it.
There is no way you're getting a 2 bedroom for anywhere near that. It's not even in the right ballpark.
What you could afford for £1300 is a 1 bedroom, at a fair distance from central, thanks to the sharp drop in rent from coronavirus last year.
I'm certainly curious to know what he is renting. Either he's not living in London or I missed a second wave of rent drop from coronavirus.