Snobbiest places in the UK

It was decades ago, but I well remember my mother telling new neighbours (family with children) about some other near neighbours. ‘The Xs at number Y, their daughter goes to Such-and-such school’
Slight pause from new neighbour. ‘Oh. So they’re not fee-paying people, then.’

My mother was herself somewhat ‘socially conscious’, but even she was decidedly taken aback.

I've had many problems dealing with the receptionists at my doctor's surgery ,but nothing prepared me when a receptionist mocked my "posh " accent and mimicked me .
I was phoning as it was yet another occasion when I'd run out of my meds .
The next day I went into the surgery and actually burst into tears .
The receptionists were very nice and sorted it out .
Since then I've had to return to the surgery and witnessed more appalling rudeness .

When my rich cousin's snobby wife found out I was educated at state schools she nodded her head slowly and said "That explains a lot of things" she then went on to ask if I found it 'socially awkward'.

I used to know someone who insisted that everyone from the S of England was a snob. She and her dh were friends of ours - we were all living overseas at the time.
Since dh and I are both from the S of England, I asked her whether she thought we were snobs.
‘No!’
‘Well, then.’
But she still thought everyone else from the S was. She was from a northern city and TBH for some reason had a massive chip on her shoulder.