"I still tend to think a family salary of 35-40 is pretty good (we're in this bracket) and am surprised we're not living better than we are at times. "
I think this is a real thing at the moment, esp. in the SE - not sure why - while it has always been the case that it's not the absolute number that counts, but what you get for it, right now there seems to be a real sense that everything costs much more than it "should" relative to "decent salaries".
I guess mainly it's housing, and in the SE, it's to do with property prices being inflated by investment by very rich people.
I know what you mean OP - it's horrible in a way to think "actually this is just not enough money" but also nice in a way to think "I'm not just a spendthrift twat."
DP has no idea about money. he earns around £35k and thinks that I could give up work. No fucking way, mate. Yes my commute is more expensive than his, and yes we do pay for after school and holiday childcare which we wouldn't with a SAHP, but he has no actual idea how few luxuries we'd have on 35k - in fact we'd struggle for basics really. (And then he starts on his "why not buy a yacht" stuff - not literally - but he comes up with so many bright ideas I have no idea how to pay for I feel like the bad guy all the time)
(I earn £55k. We've a combined income of of £90k in Herts with one commute to London; a 4 bed house on a council estate, but we own it, I mean we have a mortgage; our savings and pension plans are in severe disarray and we definitely need to do more there; our children will never go to private school, in fact ha ha ha ha ha ha; we have 2 school age children and not paying preschool childcare is still a massive relief, but we aren't rich; we only ever go on holiday in the UK in a tent; we eat and drink fine, at home, rarely out, and don't fret about utilities bills any more but everything else has to be really thought about)