-
Borehamwood. Which although it's very standard burbs in a lot of ways, also has footballer houses in the near countryside, and a posher side (Elstree) as well as bougie towns like Radlett near by. A bit like this https://www.rightmove.co.uk/properties/138155969?
Without kids I think I'd miss a lot of these interactions. But with nursary, school, clubs and classes you get a bit more exposure.
I whole heartedly echo all of these sentiments.
Also, while I realise not all disabilities are visible, there seems to be a very strong correlation between using disabled parking at the kids gymnastics venue and big flashy cars, by people whose only disabilities appear to be odd complexions and swollen lips.