I think some MC people think WC people are really really poor and disadvantaged. Not always true
^^ This, a thousand times over. Why do so many people who call themselves middle class have so much to say about the working classes that is totally unrecognisable to anyone who is actually working class? Bizarre.
Those saying that a working class family can't have a household income of £50-60k pa, would they say that where one partner was a successful tradesperson like a plumber, carpenter, machine driver, HGV driver etc and the other partner had any sort of low paid job, because I know dozens of people in that situation and that's what their income is, and they're all working class and from working class backgrounds.
The OP sounds very similar to my sister. We're definitely a working class family, our dad was a miner, as was just about every single one of our older male relatives. The women were mostly SAHMs who might also have done pt jobs like evening cleaners, shop assistants, factory work etc etc.
Her DH is a supervisor of a group of manual workers, and he's from a more disadvantaged background than us, but has done well in non graduate skilled technical work, so earns around £40k pa and DSis has a part time unskilled job earning maybe £10-15k pa.
Because we live in traditional northern ex mining villages, housing is cheap so this income provides a good lifestyle with plenty of tech, days out, houses with gardens, driveways, two cars per family and all those things that middle class people in more expensive areas struggling with expensive housing think can't possibly be affordable to people who, on paper, have less money than they do.
There's nothing wrong with being either working class or middle class and neither are a reliable indicator of how much money or disposable income you have or what your interests are or lifestyle is like. A 45 YO tradesperson in Leeds is likely to have far more money after housing costs than a 25 YO doctor or dentist from a middle class background in London.